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Chevrolet · Known Issues

2024 Chevrolet Blazer EV Problems: 13 Known Issues

2024 model year · 382+ owner reports · Updated August 2026

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Issue summary

According to Au7o's analysis of 382+ owner reports, the 2024 Chevrolet Blazer EV has 13 documented known issues, with 9 rated critical. The most serious are Rear Parking Brake Wiring Harness Defect Causing Unintended Activation ($0-$0 repair), Rear Drive Unit Motor Insulation Failure Causing Power Loss ($0-$0 repair), Door Striker Fracture Allowing Unexpected Door Opening ($0-$0 repair), eBoost Electro-Hydraulic Brake Booster Spindle Fracture Causing Loss of Brake Assist and ABS ($0-$2,200 repair), Service Battery Fault No-Restart From High-Voltage Contactor and Battery Energy Control Module Communication Loss ($0-$0 repair), Right Front Lower Control Arm (Control Link) Fracture From Contaminated Aluminum ($0-$650 repair), 12-Volt Auxiliary Battery Parasitic Drain From Modules That Never Sleep ($0-$350 repair), Ultium Coolant Control Valve and Thermal Loop Leak Triggering Service High Voltage System and Turtle Mode ($0-$1,800 repair) and Failed Over-the-Air Software Update Bricking Modules and Leaving the Vehicle No-Start ($0-$0 repair). The most commonly reported issue is Infotainment System Black Screen, Freezing, and Software Glitches with 180 owner reports. DIY maintenance guides at au7o.io.

In This Article

  • Blazer EV Electrical5
  • Blazer EV Brakes2
  • Blazer EV Body/Panels2
  • Blazer EV Drivetrain1
  • Blazer EV Suspension1
  • Blazer EV Cooling1
  • Blazer EV HVAC1
  • Recalls7
  • FAQ
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In This Article

  • Electrical5
  • Brakes2
  • Body/Panels2
  • Drivetrain1
  • Suspension1
  • Cooling1
  • HVAC1
  • Recalls7
  • FAQ

All 13 Known Issues

NHTSA Recalls7 recalls

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

General Motors, LLC (GM) is recalling certain 2025 Chevrolet Blazer, Blazer EV, and Equinox vehicles. The door strikers were not properly heat-treated, which can cause them to break.

Campaign #24V73700002/10/2024

PARKING BRAKE

General Motors, LLC (GM) is recalling certain 2024-2025 Chevrolet Blazer EV vehicles. The rear parking brake wiring harness may become damaged or corroded, resulting in unintended activation of the parking brake or loss of the parking brake function.

Campaign #25V43300025/06/2025

PARKING BRAKE

General Motors, LLC (GM) is recalling certain 2024-2025 Chevrolet Blazer EV vehicles that may have been repaired incorrectly under recall 25V433. The rear parking brake wiring harness may become damaged or corroded, resulting in unintended activation of the parking brake or loss of the parking brake function.

Campaign #26V03100022/01/2026
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Other Chevrolet Models

Chevrolet Silverado 150078Chevrolet Corvette59Chevrolet Equinox58Chevrolet Malibu44Chevrolet Camaro40Chevrolet Traverse37

Frequently Asked Questions

What are the most common Chevrolet Blazer EV problems?

According to Au7o's analysis of 382+ owner reports, the 2024 Chevrolet Blazer EV has 13 documented issues. The most frequently reported are: Rear Parking Brake Wiring Harness Defect Causing Unintended Activation, Rear Drive Unit Motor Insulation Failure Causing Power Loss, Door Striker Fracture Allowing Unexpected Door Opening. Of these, 9 are rated critical and should be addressed promptly.

Is the Chevrolet Blazer EV reliable?

The 2024 Chevrolet Blazer EV has 13 known issues documented across 382+ owner reports. 9 issues are rated critical: Rear Parking Brake Wiring Harness Defect Causing Unintended Activation and Rear Drive Unit Motor Insulation Failure Causing Power Loss and Door Striker Fracture Allowing Unexpected Door Opening and eBoost Electro-Hydraulic Brake Booster Spindle Fracture Causing Loss of Brake Assist and ABS and Service Battery Fault No-Restart From High-Voltage Contactor and Battery Energy Control Module Communication Loss and Right Front Lower Control Arm (Control Link) Fracture From Contaminated Aluminum and 12-Volt Auxiliary Battery Parasitic Drain From Modules That Never Sleep and Ultium Coolant Control Valve and Thermal Loop Leak Triggering Service High Voltage System and Turtle Mode and Failed Over-the-Air Software Update Bricking Modules and Leaving the Vehicle No-Start. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Chevrolet Blazer EV problems?

Repair costs for known Chevrolet Blazer EV issues range from $0 to $2,200, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Rear Parking Brake Wiring Harness Defect Causing Unintended Activation, typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2024 Chevrolet Blazer EV Rear Parking Brake Wiring Harness Defect Causing Unintended Activation?

GM recalled approximately 40,233 Blazer EV vehicles from 2024-2025 model years due to a defect in the rear parking brake wiring harness. The defect can cause the parking brake to activate unintentionally while driving (causing rear wheel lock-up) or fail entirely when needed. Bet… Repairs typically run $0-$0. Severity: high.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data sourced from 382+ owner reports, NHTSA recalls, TSBs, and automotive forums.

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On the 2024-2025 Chevrolet Blazer EV, a recurring Blazer EV failure is a Service Battery Fault - Vehicle Won't Restart message that leaves the car dead where it sits, often after a normal drive and shutdown. This is distinguishable from ordinary 12V parasitic drain: owners report the fault appearing with a healthy 12V battery, and dealers working the case with GM engineering for extended periods, in some cases ending in a full high-voltage battery replacement. The failure sits in the high-voltage disconnect and Battery Energy Control Module path - a communication error or a fault in the battery cut-off actuator circuit prevents the contactors from closing, so the pack never comes online no matter how much 12V power is present. Some cases are resolved entirely by module reprogramming, which is why GM insists on all available software including BECM updates before a pack is condemned.

Common Symptoms

  • Service Battery Fault - Vehicle Won't Restart message
  • Vehicle powers up on 12V but will not go into Ready mode
  • No response from the high-voltage system despite indicated state of charge
  • Repeat occurrence after dealer visits
  • Vehicle requires flatbed towing

How to Fix

Warranty repair, no recall. Sequence that has actually resolved these: apply every outstanding software update including the Battery Energy Control Module, then diagnose the high-voltage disconnect and battery cut-off actuator circuit. Confirmed hardware faults are repaired by GM's TAC-approved lithium-ion battery exchange program for the Blazer EV, which covers component or full pack replacement under the 8-year/100,000-mile high-voltage warranty at no cost. Do not accept a 12V battery replacement as the fix if the 12V battery tests good - insist the dealer open a TAC case, as these are engineering-supported diagnoses.

Typical repair cost:$0 - $0

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Community Reported
Low ConfidenceVerifiedReviewed Aug 2026

On the 2024-2025 Chevrolet Blazer EV, early Blazer EVs suffer a well documented 12V auxiliary battery drain: control modules stay awake after the vehicle is locked and parked, pulling the AGM 12V battery down overnight or over a few days. Owners report returning to a car that will not wake or start even with a full high-voltage pack, cooling fans running while parked, dash messages about the 12V battery, and in some cases a display reading 0 percent. GM acknowledged the condition and issued service bulletin N232428190, which reprograms several modules including the Battery Energy Control Module, Brake System Control Module and Serial Data Gateway Module. This is not a defective battery in most cases - it is a sleep-state software fault that repeatedly deep-cycles an AGM battery until the battery itself is damaged and also needs replacing.

Common Symptoms

  • Vehicle completely dead after sitting overnight or a few days
  • Will not power up or start despite a charged high-voltage battery
  • Cooling fans running with the vehicle parked and locked
  • Service Battery Fault or 12V battery warning message
  • MyChevrolet app shows 12V battery issue
  • Repeated 12V battery replacements

How to Fix

Have the dealer perform GM bulletin N232428190 module reprogramming (BECM, BSCM, Serial Data Gateway) plus any newer software updates - these are warranty operations at no cost. If the 12V battery has already been deep-cycled several times it will typically not recover and should be replaced with a correct AGM unit and registered to the battery sensor. Do not simply keep jump-starting it; the software update is the actual fix. As an interim measure some owners disable Energy Assist/remote features or use a maintainer when the vehicle sits.

Typical repair cost:$0 - $350

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

On the 2024-2026 Chevrolet Blazer EV, blazer EV over-the-air updates can fail mid-install and leave the vehicle undriveable. Owners report an update - one documented case is GM update N25-F172AE - that never completes: the cluster and center screens power on but go black and reset the moment the brake pedal is pressed, the MyChevrolet app reports faults on both the lithium-ion pack and the 12V battery while still showing the update as Installing, and the vehicle has to be flatbedded to a dealer. The exposure is highest on large multi-module programming events, particularly Brake System Control Module reflashes, where an interruption - commonly a low 12V battery, which this platform is already prone to - can corrupt a module. Rollout has also been uneven, with some owners getting a stream of 2025 patches and others receiving essentially nothing without dealer intervention.

Common Symptoms

  • Vehicle will not start after an over-the-air update
  • Screens power up then go black and reset when the brake pedal is pressed
  • App shows the update stuck on Installing for days
  • Multiple module fault messages appearing at once after an update
  • Update repeatedly fails and cannot be reattempted

How to Fix

No recall remedy. A failed update is a dealer-side recovery: infotainment can usually be reloaded over USB, which factory-resets the system and wipes profiles and settings, while a corrupted powertrain or brake module needs GM's programming tool and sometimes module replacement, all under warranty. Prevention is the practical fix - only start an OTA with the vehicle plugged in or the 12V battery known good, never interrupt an update in progress, and have the 12V drain bulletin work done first if the car has any history of dead-battery events.

Typical repair cost:$0 - $0

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Community Reported
Low ConfidenceVerifiedReviewed Aug 2026
Community reported
180 owners

On the 2024 Chevrolet Blazer EV, the 2024 Blazer EV has widespread infotainment system issues including black screens, frozen displays, camera glitches, audio dropouts, CarPlay/Android Auto disconnects, virtual control malfunctions, and cluster display errors. The 17.7-inch touchscreen controls most vehicle functions including HVAC, making software failures particularly disruptive. GM has released multiple software campaigns but OTA updates have been problematic, with some updates causing additional issues like checkered screen backgrounds.

Common Symptoms

  • Main touchscreen goes completely black
  • Infotainment system freezes and becomes unresponsive
  • Display shows checkered pattern after OTA update
  • CarPlay or Android Auto disconnects repeatedly
  • Backup camera feed cuts out or displays incorrectly

How to Fix

Schedule a dealer visit for the latest software campaign updates. Not all updates can be delivered OTA - some require USB installation at the dealer. If the screen goes black, try holding the home button for 10 seconds to force a restart. Contact Chevrolet customer service at 1-800-222-1020 if dealer cannot resolve the issue.

Typical repair cost:$0 - $500

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Based on 180 owner reports

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Community Reported
High Confidence180 owner reportsLast reported by owners Mar 2026Reviewed Mar 2026

On the 2024-2025 Chevrolet Blazer EV, blazer EVs have a documented pattern of DC fast charging sessions that start normally then stop after only a few minutes, or that never rise above a trickle. Edmunds' long-term 2024 Blazer EV had repeated charging failures traced to what Chevrolet calls the F-sensor - the ambient temperature sensor. Because the charging strategy throttles or disables DC fast charging when it believes ambient temperature is too high to protect the pack, a sensor reporting a false high reading kills the session. Separately, owners report DC fast charging capped below 30 kW even with preconditioning enabled on a vehicle rated far higher, and a High Voltage Charging System Error - Service Soon message. This is distinct from the thermal-loop coolant fault: here the hardware is a single cheap sensor feeding a bad number to the charging strategy.

Common Symptoms

  • DC fast charging session stops a few minutes after starting
  • Charge rate stuck below 30 kW at a high-power station
  • High Voltage Charging System Error - Service Soon message
  • Charging works at home on AC but fails on DCFC
  • Repeated failed sessions at multiple different charging networks

How to Fix

No recall covers this; it is warranty work. Have the dealer read charging-session data and check the ambient temperature (F) sensor, replacing it if it reports implausible values - that resolved the Edmunds car's repeat aborts. Apply all outstanding software updates first, since GM has shipped several charging-strategy calibrations. If charge rate is capped low without a sensor fault, verify pack preconditioning actually ran, verify station output, and log the sessions before the dealer visit - documented session data is what gets the claim approved. Persistent low rate with a healthy sensor points back to the battery thermal loop.

Typical repair cost:$0 - $400

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Community Reported
Low ConfidenceVerifiedReviewed Aug 2026
Community reported
97 owners

On the 2024 Chevrolet Blazer EV, gM recalled approximately 40,233 Blazer EV vehicles from 2024-2025 model years due to a defect in the rear parking brake wiring harness. The defect can cause the parking brake to activate unintentionally while driving (causing rear wheel lock-up) or fail entirely when needed. Between August 2023 and May 2025, 97 complaints were filed, including two instances of rear-wheel lock-up while driving and one report of complete parking brake failure.

Common Symptoms

  • Parking brake activates unexpectedly while driving
  • Rear wheels lock up without driver input
  • Parking brake warning light illuminated
  • Parking brake fails to engage when activated
  • Service parking brake message on display

How to Fix

Contact Chevrolet dealer for free recall repair. The dealer will inspect and replace the rear parking brake wiring harness as needed. Do not ignore parking brake warning messages. If you experience rear wheel lock-up while driving, pull over safely and have the vehicle towed to a dealer.

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Typical repair cost:$0 - $0

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Based on 97 owner reports

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Community Reported
High Confidence97 owner reportsLast reported by owners Mar 2026Reviewed Mar 2026

On the 2024-2026 Chevrolet Blazer EV, the Blazer EV uses GM's eBoost brake-by-wire booster, which blends regenerative and friction braking through an electric actuator rather than a mechanical vacuum booster. NHTSA has an open Engineering Analysis, EA26006, opened August 21, 2026, covering roughly 1.16 million 2023-2026 GM vehicles and explicitly naming the Chevrolet Blazer EV alongside the Equinox EV, Cadillac Lyriq and Optiq, and the GM-built Acura ZDX and Honda Prologue. GM told NHTSA that a spindle inside the eBoost unit can fracture, after which the vehicle loses ABS, brake assist, stability control and traction control. NHTSA notes that a subset of complaints describe a worse pattern - immediate loss of brake assist during a braking event rather than only after the car has stopped. The agency counted 227 owner complaints plus 531 additional GM reports, 745 unique incidents. This escalated from an earlier preliminary evaluation focused on the 2023 Lyriq.

Common Symptoms

  • Hard or unresponsive brake pedal requiring much greater effort
  • Service Brake System warning message
  • ABS, traction control and StabiliTrak warning lights together
  • Loud noise or clunk from the brake booster
  • Longer than normal stopping distance
  • Loss of brake assist during or just after a stop

How to Fix

As of this writing EA26006 is an open investigation, not a recall, so there is no free remedy tied to a campaign number yet for the Blazer EV. Owners experiencing a hard or long pedal, or Service Brake System / stability-control warnings, should have the vehicle inspected immediately - GM has been replacing eBoost booster assemblies under warranty on affected vehicles and has separately pushed Brake System Control Module software updates. File a complaint with NHTSA if you experience it, since the investigation record is what drives a recall decision. If assist is lost the vehicle can still be stopped but requires far higher pedal effort and much longer distance.

Typical repair cost:$0 - $2,200

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

On the 2024 Chevrolet Blazer EV, gM recalled certain 2024 Blazer EV vehicles where the door strikers may fracture, allowing the door to open unexpectedly while driving. A fractured door striker compromises vehicle structural integrity and occupant safety, especially at speed. The door may not properly latch or may open during side impacts.

Common Symptoms

  • Door ajar warning light when doors are closed
  • Door does not feel solidly latched when closed
  • Clicking or unusual noise when closing a door
  • Wind noise suggesting door seal issue
  • Visible damage to door striker mechanism

How to Fix

Contact Chevrolet dealer immediately to check recall eligibility. Dealers will inspect and replace door strikers at no cost. Test each door by firmly pulling on the exterior handle with the door closed - any unexpected movement or noise warrants immediate dealer inspection.

Typical repair cost:$0 - $0

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Based on 40 owner reports

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Community Reported
High Confidence40 owner reportsLast reported by owners Mar 2026Reviewed Mar 2026

On the 2024-2025 Chevrolet Blazer EV, owners report the powered charge port door refusing to open, or opening and immediately re-closing, on the Blazer EV. Two mechanisms show up in owner diagnosis: dust and debris fouling the switch that tells the body module whether the door is open or closed - when it sticks, the module believes the door is still shut and drives it closed again - and outright failure of the electric actuator or latch assembly. Because the port cannot be reached, the vehicle cannot be charged at all until the door is freed, which turns a minor mechanical annoyance into a stranding risk. The same failure pattern appears on the platform-mate Equinox EV, so the design is shared, but Blazer EV owners have documented it on their own vehicles.

Common Symptoms

  • Charge port door will not open when requested
  • Door starts to open then immediately closes again
  • Actuator buzzes or clicks with no movement
  • Cannot charge the vehicle at all
  • Door will not latch shut after charging

How to Fix

No recall. Owner-level first steps that have worked: blow compressed air behind the door while it attempts to open to clear dust from the position switch, and lubricate the latch with silicone spray. If the door still will not release, the fix is dealer replacement of the actuator or latch assembly under the bumper-to-bumper warranty. Some owners have used the manual release behind the trim to open the door once so the vehicle can be charged while awaiting parts - consult the owner's manual for the release location rather than prying the door.

Typical repair cost:$0 - $450

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026
Community reported
65 owners

On the 2024 Chevrolet Blazer EV, gM recalled certain 2024 Blazer EV vehicles where the electric motors in the rear drive units may have insufficiently insulated wires that can contact each other, resulting in an electrical short and loss of drive power. This manufacturing defect can cause sudden propulsion loss while driving, creating a serious safety hazard particularly at highway speeds.

Common Symptoms

  • Sudden loss of propulsion power
  • Reduced power warning message on display
  • Vehicle enters limp mode unexpectedly
  • Unusual sounds from rear axle area
  • Propulsion system fault warning

How to Fix

Contact Chevrolet dealer to check recall eligibility. The rear drive unit motor will be inspected and replaced if insulation deficiency is found. This is a free repair under the recall. Do not drive the vehicle if you experience sudden propulsion loss - have it towed to the dealer.

Typical repair cost:$0 - $0

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Based on 65 owner reports

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Community Reported
High Confidence65 owner reportsLast reported by owners Mar 2026Reviewed Mar 2026

On the 2024 Chevrolet Blazer EV, a small build window of 2024 Blazer EVs left the plant with right front lower control arms (control links) made from contaminated metal. The supplier, Asia-Pacific Light Alloy Technology Co., produced arms whose aluminum contained inclusions that can seed cracks; the arm can then fracture in service and cause loss of vehicle control. NHTSA campaign 24V487000 covers only 83 vehicles built April 9-11, 2024, which makes this a narrow but genuine structural defect rather than a wear item. Because the population is tiny, most owners will find their VIN is not affected, but any 2024 car from that build window should be checked before it is driven hard or over broken pavement.

Common Symptoms

  • Clunking or knocking from the right front suspension
  • Sudden pull or wander to one side
  • Abnormal tire wear or alignment that will not hold
  • Loss of steering control after an impact or pothole
  • Visible crack in the right front lower control arm

How to Fix

Free recall remedy. Under NHTSA 24V487000 (GM recall N242448540) dealers inspect the right front lower control arm and replace it at no charge if the suspect part is present. Owner letters were mailed August 13, 2024. Check the VIN on NHTSA's recall lookup; there is no owner-side inspection that can reliably detect the metallurgical contamination, so the dealer inspection is the only valid check. Outside the recall population a fractured control arm is a normal suspension repair.

Typical repair cost:$0 - $650

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High ConfidenceVerifiedReviewed Aug 2026

On the 2024-2025 Chevrolet Blazer EV, the Blazer EV's high-voltage battery thermal management loop routes coolant through a multi-port coolant control valve (CCV) shared across GM Ultium vehicles. The valve assembly and its connecting hoses can leak, and a refrigerant pressure sensor fault in the same battery-conditioning circuit produces the same symptom set. When the thermal loop cannot regulate pack temperature the vehicle throws a Service High Voltage System or Service High Voltage Charging System message, disables DC fast charging, cuts cabin heat, kills regenerative braking, and drops the car into reduced-power turtle mode. Owners have traced these warnings to a leaking coolant line or a defective battery conditioning valve after dealers initially chased software. GM has issued bulletins covering the refrigerant pressure sensor, coolant leaks around the coolant control valve, and a battery distribution fuse block that can cause an inoperative electric coolant pump.

Common Symptoms

  • Service High Voltage System or Service High Voltage Charging System message
  • Orange turtle icon and severely reduced power
  • Regenerative braking stops working
  • DC fast charging disabled or refused
  • Little or no cabin heat
  • Orange or pink coolant puddle under the vehicle

How to Fix

This is a warranty repair on a new vehicle, not a free safety recall. The dealer must pressure-test the battery thermal loop and inspect the coolant control valve and hoses for leaks before condemning the high-voltage battery. Typical fixes are replacing the coolant control valve assembly, a leaking coolant line, the refrigerant pressure sensor, or the battery distribution fuse block when the electric coolant pump is dead. All available software updates including the Battery Energy Control Module should be applied first, since identical messages can be software-only. Orange or pink Dex-Cool puddles under the vehicle warrant immediate inspection - do not keep DC fast charging with an active thermal fault.

Typical repair cost:$0 - $1,800

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Community Reported
Medium ConfidenceVerifiedReviewed Aug 2026

On the 2024-2025 Chevrolet Blazer EV, the Blazer EV heats and cools the cabin with a heat pump rather than a resistive heater core, and owners report the system quietly dropping out of temperature control: in AUTO mode it stops producing either heat or cold depending on the season and simply blows ambient-temperature air, with the set point never reached. Power-cycling the vehicle restores normal operation, which points to a control-software fault rather than a mechanical failure. A second, more serious presentation shares the symptom - a coolant leak or a sensor fault in the heat pump circuit throws a Service High Voltage System message, limits cabin heat, blocks DC fast charging and can drop the car into turtle mode. Owners also report the physical HVAC controls becoming unresponsive, and multiple cold-weather complaints that combine weak heat with degraded charging and steering behavior.

Common Symptoms

  • AUTO climate mode blows ambient air, no heat or no cold
  • Cabin never reaches the set temperature
  • System returns to normal after shutting the vehicle off and restarting
  • Physical HVAC control buttons unresponsive
  • Weak heat in cold weather combined with charging faults
  • Service High Voltage System warning alongside loss of cabin heat

How to Fix

Warranty repair, no recall. First have the dealer apply all outstanding climate and HVAC control software updates, which addresses the intermittent AUTO-mode dropout that clears on a power cycle. If the loss of heat comes with a Service High Voltage System warning, this is not a climate-only fault - the dealer must pressure-test the thermal loop for a coolant leak and check the heat pump circuit sensors, since the same refrigerant/coolant circuit conditions the high-voltage pack. Note that heat pump output legitimately feels cooler at the vent than a gas car's heater even when working correctly; judge it by whether the cabin actually reaches the set temperature.

Typical repair cost:$0 - $1,200

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Community Reported
Low ConfidenceVerifiedReviewed Aug 2026

EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cadillac OPTIQ, Chevrolet Colorado, Equinox EV, GMC Canyon, 2026 Buick Enclave, Envision, Cadillac CT5, Escalade, Escalade ESV, Escalade IQ, Escalade IQL, LYRIQ, VISTIQ, Chevrolet Blazer EV, Corvette Convertible, Corvette Coupe, Corvette Convertible E-Ray, Equinox, Silverado 1500, 2500, 3500, Silverado EV, Suburban 1500, Tahoe, Traverse, GMC Acadia, Hummer EV Pickup, Hummer EV SUV, Sierra 1500, 2500, 3500, Sierra EV, Terrain, Yukon, and Yukon XL vehicles. The radio may not have been set to the correct status to download the electronic owner's manual during production. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, “Occupant Protection.”

Campaign #26V11400026/02/2026

STRUCTURE:BODY:DOOR

General Motors, LLC (GM) is recalling certain 2024 Chevrolet Blazer, Blazer EV, Equinox, and GMC Terrain vehicles. The door strikers may fracture, resulting in the door opening unexpectedly.

Campaign #23V86900021/12/2023

+ 2 more recalls. Check all on NHTSA.gov

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

get a full repair guide

What is the 2024 Chevrolet Blazer EV Rear Drive Unit Motor Insulation Failure Causing Power Loss?

GM recalled certain 2024 Blazer EV vehicles where the electric motors in the rear drive units may have insufficiently insulated wires that can contact each other, resulting in an electrical short and loss of drive power. This manufacturing defect can cause sudden propulsion loss… Repairs typically run $0-$0. Severity: high.

What is the 2024 Chevrolet Blazer EV Door Striker Fracture Allowing Unexpected Door Opening?

GM recalled certain 2024 Blazer EV vehicles where the door strikers may fracture, allowing the door to open unexpectedly while driving. A fractured door striker compromises vehicle structural integrity and occupant safety, especially at speed. The door may not properly latch or m… Repairs typically run $0-$0. Severity: high.

What is the 2024-2026 Chevrolet Blazer EV eBoost Electro-Hydraulic Brake Booster Spindle Fracture Causing Loss of Brake Assist and ABS?

The Blazer EV uses GM's eBoost brake-by-wire booster, which blends regenerative and friction braking through an electric actuator rather than a mechanical vacuum booster. NHTSA has an open Engineering Analysis, EA26006, opened August 21, 2026, covering roughly 1.16 million 2023-2… Repairs typically run $0-$2,200. Severity: high.

What is the 2024-2025 Chevrolet Blazer EV Service Battery Fault No-Restart From High-Voltage Contactor and Battery Energy Control Module Communication Loss?

A recurring Blazer EV failure is a Service Battery Fault - Vehicle Won't Restart message that leaves the car dead where it sits, often after a normal drive and shutdown. This is distinguishable from ordinary 12V parasitic drain: owners report the fault appearing with a healthy 12… Repairs typically run $0-$0. Severity: high.

What is the 2024 Chevrolet Blazer EV Right Front Lower Control Arm (Control Link) Fracture From Contaminated Aluminum?

A small build window of 2024 Blazer EVs left the plant with right front lower control arms (control links) made from contaminated metal. The supplier, Asia-Pacific Light Alloy Technology Co., produced arms whose aluminum contained inclusions that can seed cracks; the arm can then… Repairs typically run $0-$650. Severity: high.

What is the 2024-2025 Chevrolet Blazer EV 12-Volt Auxiliary Battery Parasitic Drain From Modules That Never Sleep?

Early Blazer EVs suffer a well documented 12V auxiliary battery drain: control modules stay awake after the vehicle is locked and parked, pulling the AGM 12V battery down overnight or over a few days. Owners report returning to a car that will not wake or start even with a full h… Repairs typically run $0-$350. Severity: high.

What is the 2024-2025 Chevrolet Blazer EV Ultium Coolant Control Valve and Thermal Loop Leak Triggering Service High Voltage System and Turtle Mode?

The Blazer EV's high-voltage battery thermal management loop routes coolant through a multi-port coolant control valve (CCV) shared across GM Ultium vehicles. The valve assembly and its connecting hoses can leak, and a refrigerant pressure sensor fault in the same battery-conditi… Repairs typically run $0-$1,800. Severity: high.

What is the 2024-2026 Chevrolet Blazer EV Failed Over-the-Air Software Update Bricking Modules and Leaving the Vehicle No-Start?

Blazer EV over-the-air updates can fail mid-install and leave the vehicle undriveable. Owners report an update - one documented case is GM update N25-F172AE - that never completes: the cluster and center screens power on but go black and reset the moment the brake pedal is presse… Repairs typically run $0-$0. Severity: high.

What is the 2024 Chevrolet Blazer EV Infotainment System Black Screen, Freezing, and Software Glitches?

The 2024 Blazer EV has widespread infotainment system issues including black screens, frozen displays, camera glitches, audio dropouts, CarPlay/Android Auto disconnects, virtual control malfunctions, and cluster display errors. The 17.7-inch touchscreen controls most vehicle func… Repairs typically run $0-$500. Severity: medium.

What is the 2024-2025 Chevrolet Blazer EV Charge Port Door Sticking Shut From Position-Switch Contamination or Actuator Failure?

Owners report the powered charge port door refusing to open, or opening and immediately re-closing, on the Blazer EV. Two mechanisms show up in owner diagnosis: dust and debris fouling the switch that tells the body module whether the door is open or closed - when it sticks, the… Repairs typically run $0-$450. Severity: medium.

What is the 2024-2025 Chevrolet Blazer EV Heat Pump Climate System Dropping Out and Blowing Ambient Air in AUTO Mode?

The Blazer EV heats and cools the cabin with a heat pump rather than a resistive heater core, and owners report the system quietly dropping out of temperature control: in AUTO mode it stops producing either heat or cold depending on the season and simply blows ambient-temperature… Repairs typically run $0-$1,200. Severity: medium.

What is the 2024-2025 Chevrolet Blazer EV DC Fast Charging Sessions Aborting and Severe Charge-Rate Derating From Ambient Temperature Sensor Fault?

Blazer EVs have a documented pattern of DC fast charging sessions that start normally then stop after only a few minutes, or that never rise above a trickle. Edmunds' long-term 2024 Blazer EV had repeated charging failures traced to what Chevrolet calls the F-sensor - the ambient… Repairs typically run $0-$400. Severity: medium.