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Mazda · Known Issues

2003-2021 Mazda Mazda6 Problems: 15 Known Issues

2003-2021 model years · 5,800+ owner reports · Updated September 2026

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Issue summary

According to Au7o's analysis of 5,800+ owner reports, the 2003-2021 Mazda Mazda6 has 15 documented known issues, with 8 rated critical. The most serious are Subframe and Underbody Rust / Corrosion ($500-$3,000 repair), Variable Valve Timing (VVT) Actuator Failure ($400-$1,200 repair), Rear Parking Brake Caliper Corrosion / Sticking (Recall 1217F / 17V393), Front Subframe / Cross Member Corrosion (Recall 19V323 for 2011-2013), Low-Pressure Fuel Pump Impeller Cracking / Engine Stall (Recall 21V875 / 5321K), SkyActiv-G 2.5T Turbo Cylinder Head Cracking / Coolant Leak ($2,000-$6,000 repair), Takata Passenger Airbag Inflator Rupture (Do Not Drive) and Front Lower Control Arm Ball Joint Premature Wear ($300-$800 repair). The most commonly reported issue is Subframe and Underbody Rust / Corrosion with 3,200 owner reports. Across all issues with published estimates, repair costs range from $200 to $6,000. DIY maintenance guides at au7o.io.

In This Article

  • Mazda6 Engine4
  • Mazda6 Suspension3
  • Mazda6 Brakes2
  • Mazda6 Body/Panels1
  • Mazda6 Fuel System1
  • Mazda6 Safety/Recalls1
  • Mazda6 Electrical2
  • Mazda6 Interior1
  • Recalls3
  • FAQ
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In This Article

  • Engine4
  • Suspension3
  • Brakes2
  • Body/Panels1
  • Fuel System1
  • Safety/Recalls1
  • Electrical2
  • Interior1
  • Recalls3
  • FAQ

All 15 Known Issues

NHTSA Recalls3 recalls

ENGINE

Mazda North American Operations (Mazda) is recalling certain 2018-2019 CX-5, Mazda6, and 2019 Mazda3 vehicles. A software error in the powertrain control module (PCM) may cause the engine to stall.

Campaign #19V49700027/06/2019

EXTERIOR LIGHTING:TURN SIGNAL

Mazda North American Operations (Mazda) is recalling certain model year 2017 Mazda6 vehicles manufactured August 12, 2016, to September 28, 2016 and equipped with optional accessory fog lights. Due to an incorrect combination switch being installed, the turn signals may not automatically cancel by the rotation of the steering wheel. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."

Campaign #16V75300018/10/2016

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles. The impeller inside the low-pressure fuel pump may crack and deform, potentially causing the fuel pump to fail.

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Mazda CX-530Mazda CX-6027Mazda CX-5026Mazda MX-5 Miata22Mazda MX-621Mazda Mazda319

Frequently Asked Questions

What are the most common Mazda Mazda6 problems?

According to Au7o's analysis of 5,800+ owner reports, the 2003-2021 Mazda Mazda6 has 15 documented issues. The most frequently reported are: Subframe and Underbody Rust / Corrosion, Variable Valve Timing (VVT) Actuator Failure, Rear Parking Brake Caliper Corrosion / Sticking (Recall 1217F / 17V393). Of these, 8 are rated critical and should be addressed promptly.

Is the Mazda Mazda6 reliable?

The 2003-2021 Mazda Mazda6 has 15 known issues documented across 5,800+ owner reports. 8 issues are rated critical: Subframe and Underbody Rust / Corrosion and Variable Valve Timing (VVT) Actuator Failure and Rear Parking Brake Caliper Corrosion / Sticking (Recall 1217F / 17V393) and Front Subframe / Cross Member Corrosion (Recall 19V323 for 2011-2013) and Low-Pressure Fuel Pump Impeller Cracking / Engine Stall (Recall 21V875 / 5321K) and SkyActiv-G 2.5T Turbo Cylinder Head Cracking / Coolant Leak and Takata Passenger Airbag Inflator Rupture (Do Not Drive) and Front Lower Control Arm Ball Joint Premature Wear. 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 Mazda Mazda6 problems?

Repair costs for known Mazda Mazda6 issues range from $200 to $6,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Subframe and Underbody Rust / Corrosion, typically costs $500-$3,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What year Mazda Mazda6 is the most reliable?

Reliability varies across model years of the Mazda Mazda6. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2003-2021 Mazda Mazda6 with 15 documented issues documented across 5,800+ owner reports.

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 5,800+ owner reports, NHTSA recalls, TSBs, and automotive forums.

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Community reported
1,400 owners

The exhaust-side VVT actuator (cam phaser) fails due to oil sludge and wear, causing timing codes and engine rattle. The actuator solenoid can also stick, leading to incorrect valve timing. Oil change neglect accelerates failure. Common on both MZR and early SkyActiv 2.5L engines.

Common Symptoms

  • Rattling noise on cold start (chain slap)
  • Check engine light with P0012 or P0022 cam timing codes
  • Rough idle and stalling at stop lights
  • Reduced power and poor fuel economy

How to Fix

Replace VVT actuator/cam phaser assembly and VVT solenoid. Use Mazda-spec 0W-20 full synthetic oil and replace at 5,000-mile intervals to prevent sludge. Check timing chain stretch while servicing.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Mazda genuine electric intake VVT actuator PE01-12-4X0B
    OEMMazda PE01-12-4X0B

    Electric intake VVT actuator after the bulletin PID test confirms actuator failure Fitment/availability: The inspected direct page identifies genuine Mazda PE01-12-4X0B as the actuator and lists 2014-2017 Mazda6 2.5L applications.

    MazdaPartsNow

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Owner tips & cautions

  • TipUse full synthetic 0W-20 (Mazda spec) and change oil every 5,000 miles max - Mazda6Club.com VVT thread
  • TipInspect timing chain stretch when replacing VVT - may need chain replacement at high mileage
Typical repair cost:$400 - $1,200

Research This Issue

Based on 1,400 owner reports

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Community Reported
High ConfidenceVerified1,400 owner reportsLast reported by owners Aug 2024Reviewed Feb 2026

A proposed class action alleges that the turbocharged SKYACTIV-G 2.5T engine in 2018-2021 Mazda6 (and other Mazda models) has a structural weakness in the cylinder head near the exhaust manifold. Cracks can develop at the stud bolt hole or the outside of the exhaust manifold, allowing coolant to leak externally or into the cylinders. Loss of coolant leads to overheating and, in severe cases, catastrophic engine failure. Mazda has acknowledged the issue through TSBs but has not issued a recall.

Common Symptoms

  • Unexplained coolant loss
  • White exhaust smoke or sweet coolant smell
  • Engine overheating
  • Low coolant warning
  • Coolant mixing with oil

How to Fix

Repair typically requires replacement of the cracked cylinder head and related coolant system service; some owners pursue reimbursement through the class action or goodwill assistance. Monitor coolant level and address overheating immediately to prevent engine destruction.

Typical repair cost:$2,000 - $6,000

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

Because the SkyActiv-G direct-injection engine sprays fuel directly into the cylinder, no detergent fuel ever washes the back of the intake valves. Oil vapor drawn through the PCV system bakes onto the hot valve stems and accumulates as hard carbon, typically becoming noticeable on the 2.5L between 60,000 and 100,000 miles. The deposits restrict airflow and cause rough idle and cold-start misfires that are otherwise hard to diagnose.

Common Symptoms

  • Rough idle
  • Cold-start misfire or hesitation
  • Reduced power and fuel economy
  • Random/cylinder-specific misfire codes

How to Fix

Walnut-shell blasting of the intake valves is the standard fix, restoring throttle response and reducing misfires. Using quality oil, an oil catch can, periodic Italian tune-ups, and top-engine cleaners can slow reaccumulation.

Typical repair cost:$300 - $600

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

The SkyActiv 2.5L engine in third-generation Mazda6 models uses a cooled EGR system that is prone to carbon buildup and coolant leaks. The EGR valve and cooler accumulate carbon deposits over time, restricting flow and causing rough idle and reduced performance. Additionally, the EGR cooler gaskets can leak coolant into the intake or externally, creating a potential overheating risk.

Common Symptoms

  • Rough idle
  • Check engine light
  • Coolant smell from engine bay
  • Reduced power and hesitation
  • Slow coolant level drop

How to Fix

Remove and clean the EGR valve and passages with carburetor cleaner and a wire brush. Replace the EGR cooler gaskets. If the EGR valve is stuck or damaged, replace it. Mazda issued TSB 01-018/17 for EGR-related issues. Use top-tier fuel and consider an occasional Italian tune-up (sustained highway driving) to help reduce carbon buildup.

Typical repair cost:$200 - $800

Research This Issue

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Community Reported
Medium Confidence

Mazda6 sedans have a history of corrosion at the front cross member where two suspension components connect, caused by insufficient paint coverage. Severe rust can weaken the connection and cause steering alignment to change unexpectedly. 2011-2013 models in salt-belt states were officially recalled (NHTSA 19V323), and owners of 2014-2016 cars have filed NHTSA complaints reporting similar subframe/underbody corrosion.

Common Symptoms

  • Visible heavy rust on front subframe or cross member
  • Clunking or looseness in front suspension
  • Steering pulls or alignment changes
  • Flaking underbody metal

How to Fix

For recalled 2011-2013 cars, Mazda inspects and repairs/reinforces or replaces the corroded cross member free of charge. For non-recalled years, owners should have the subframe inspected, treat surface rust, and replace structurally compromised components; rustproofing is recommended in salt regions.

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

Second-generation Mazda6 models are known for premature front lower control arm ball joint wear, sometimes as early as 40,000-60,000 miles. The ball joint boots crack and allow grease to escape and moisture to enter, accelerating wear. A failed ball joint is a serious safety concern as it can cause loss of steering control. Mazda issued a recall (NHTSA 14V-373) for some 2009-2010 models.

Common Symptoms

  • Clunking or popping noise over bumps
  • Steering wheel vibration
  • Vehicle pulls to one side
  • Uneven front tire wear
  • Loose or wandering steering feel

How to Fix

Replace the front lower control arms (the ball joints are not separately serviceable). Use OEM or quality aftermarket arms (Mevotech, Moog). Replace both sides even if only one is worn, as the other is likely not far behind. Perform a front-end alignment after replacement. Check if your VIN is covered under the recall for free repair.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Mevotech Supreme front driver-side lower control arm and ball joint assembly CMS761171
    OEMMevotech CMS761171

    Left/driver lower-arm branch after inspection proves ball-joint or arm-bushing failure Fitment/availability: The inspected direct page identifies CMS761171 as the front driver-side lower control arm and ball-joint assembly, includes bush…

    Auto Parts Prime
  • Mevotech Supreme front passenger-side lower control arm and ball joint assembly CMS761172
    OEMMevotech CMS761172

    Right/passenger lower-arm branch after inspection proves ball-joint or arm-bushing failure Fitment/availability: The inspected direct page identifies CMS761172 as the front passenger-side lower control arm and ball-joint assembly, includ…

    Auto Parts Prime

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$300 - $800

Research This Issue

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Community Reported
Medium Confidence

The rear trailing arm bushings on first-generation Mazda6 models deteriorate and crack with age, causing a noticeable clunking sound from the rear over bumps and during braking. The degraded bushings allow excessive rear axle movement, leading to vague handling, rear tire inner-edge wear, and a wandering feel at highway speeds. This issue accelerates in climates with road salt and temperature extremes.

Common Symptoms

  • Clunking from rear over bumps
  • Rear-end feels loose or wandering
  • Inner-edge rear tire wear
  • Thumping during hard braking
  • Unstable feeling in highway curves

How to Fix

Replace the rear trailing arm bushings. Press out the old bushings and install new OEM or polyurethane replacements. Some owners replace the entire trailing arm assembly if the bushing press is not available. A rear alignment is required after bushing replacement. Budget 2-3 hours of labor per side.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • MOOG rear trailing-arm bushing K201425
    OEMMOOG K201425

    Rear trailing-arm bushing after physical inspection localizes play or separation to that bushing Fitment/availability: The inspected direct page identifies MOOG K201425 as a rear trailing-arm bushing for the 2003-2008 Mazda6, shows selec…

    PartsGeek

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$250 - $600

Research This Issue

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Community Reported
Medium Confidence

Recall 1217F / NHTSA 17V393 covers 2014-2015 Mazda6 vehicles equipped with a hand-operated parking-brake lever. Reduced boot sealing can allow water into the rear brake caliper; the actuator shaft may corrode and bind, reducing parking-brake holding force or causing brake drag.

Common Symptoms

  • reduced parking-brake holding force on a slope
  • rear brake drag after releasing the hand-operated parking brake

How to Fix

Check the VIN and parking-brake type for recall 1217F. An authorized Mazda dealer will inspect both rear actuator shafts and, free of charge, replace a corroded caliper assembly or install the modified protective boot kit when no corrosion is present. Do not buy a caliper or boot kit from this page; the campaign remedy is VIN- and inspection-specific.

Find a Mazda dealer

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Call to confirm they service Mazda vehicles and check your VIN, recall eligibility, parts availability, and appointment options.

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026
Community reported
1,200 owners

Rear brake calipers seize due to corrosion of slide pins and the integrated parking brake mechanism. Salt-belt vehicles are especially affected. Causes dragging brakes, uneven pad wear, and premature rotor warping. The parking brake cable can also corrode and prevent full caliper release.

Common Symptoms

  • Rear brake dragging and heat buildup
  • Uneven rear pad wear (inner pad worn significantly more)
  • Vehicle pulls to one side during braking
  • Burning brake smell after short drives

How to Fix

Replace or rebuild rear calipers, replace slide pins, and lubricate with silicone-based brake grease. Replace parking brake cables if corroded. Annual brake maintenance prevents recurrence.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Centric remanufactured rear driver-side brake caliper 141.61556
    OEMCentric 141.61556

    Left/driver rear caliper after hydraulic and mechanical tests prove the caliper piston or parking-brake actuator is seized or leaking Fitment/availability: The inspected direct page identifies Centric 141.61556 as a semi-loaded rear driv…

    Auto Parts Prime
  • Centric remanufactured rear passenger-side brake caliper 141.61555
    OEMCentric 141.61555

    Right/passenger rear caliper after hydraulic and mechanical tests prove the caliper piston or parking-brake actuator is seized or leaking Fitment/availability: The inspected direct page identifies Centric 141.61555 as a semi-loaded rear …

    Auto Parts Prime

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Owner tips & cautions

  • TipService rear brakes annually - clean and lube slide pins with CRC Silaramic brake grease
  • TipEngage parking brake daily to keep cable from seizing - Mazda6Club.com brakes forum
Typical repair cost:$250 - $650

Research This Issue

Based on 1,200 owner reports

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Community Reported
High ConfidenceVerified1,200 owner reportsLast reported by owners Sep 2024Reviewed Feb 2026
Community reported
3,200 owners

First and second generation Mazda6 models are prone to severe underbody rust, particularly in the rear subframe, control arm mounting points, and rocker panels. Road salt accelerates corrosion to the point where structural integrity is compromised. Mazda issued TSB 09-007/15 and extended warranty coverage for subframe replacement in some regions.

Common Symptoms

  • Visible rust on subframe and underbody components
  • Clunking noises from rear suspension due to weakened mounts
  • Failed safety inspection due to structural corrosion
  • Rear suspension alignment cannot be maintained

How to Fix

Subframe replacement if corrosion is severe. Mazda offered a recall/extended coverage program for subframe replacement (09-007/15). Rust-proofing and undercoating on less-affected vehicles can prevent further deterioration.

Owner tips & cautions

  • TipCheck with Mazda dealer for extended warranty/goodwill coverage on subframe replacement
  • TipAnnual undercoating is essential in salt-belt regions - Mazda6Club.com rust mega-thread
Typical repair cost:$500 - $3,000

Research This Issue

Based on 3,200 owner reports

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Community Reported
High ConfidenceVerified3,200 owner reportsLast reported by owners Jun 2024Reviewed Feb 2026

Recall 5321K / NHTSA 21V875 covers certain 2018 Mazda6 vehicles built with the subject low-pressure fuel pump. An inadequately dense impeller can develop surface cracking, deform and interfere with the pump body, causing fuel-pump failure, no-start or an engine stall.

Common Symptoms

  • check-engine light or rough operation may precede fuel-pump failure
  • engine no-start or stall while driving

How to Fix

Check the VIN for recall 5321K. If the vehicle is included, an authorized Mazda dealer will replace the affected fuel pump with the improved part free of charge. Do not buy a retail pump from this page; the recall population and replacement are VIN-specific.

Find a Mazda dealer

Choose to share your location for this search, or enter an area below. Your search location is sent to Google to find dealers.

Open Mazda dealer map in Google Maps ↗

Call to confirm they service Mazda vehicles and check your VIN, recall eligibility, parts availability, and appointment options.

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

The passenger-side Takata airbag inflators in 2003-2013 Mazda6 vehicles can degrade over time, especially in high-heat and high-humidity climates. When deployed, the inflator can rupture and spray sharp metal fragments into the cabin. NHTSA has flagged certain Mazda6 model years under a 'Do Not Drive' warning because test data shows a far higher rupture risk than other recalled Takata inflators. Some vehicles initially repaired with like-for-like Takata parts were recalled a second time for a final redesigned inflator.

Common Symptoms

  • Airbag warning light illuminated or flashing
  • Vehicle appears on NHTSA Do Not Drive recall list
  • Recall notice received by mail

How to Fix

Free recall repair at a Mazda dealer replaces the defective inflator with a redesigned part. Owners should check their VIN at NHTSA and not drive the vehicle until the repair is completed if it is under a Do Not Drive advisory.

Find a Mazda dealer

Choose to share your location for this search, or enter an area below. Your search location is sent to Google to find dealers.

Open Mazda dealer map in Google Maps ↗

Call to confirm they service Mazda vehicles and check your VIN, recall eligibility, parts availability, and appointment options.

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

First-generation Mazda6 models (especially with the 2.3L and 3.0L engines) experience premature alternator failure, often between 60,000-100,000 miles. The internal voltage regulator and rectifier diodes fail, causing undercharging or overcharging. Symptoms include dimming lights, battery warning light, and eventually a dead battery. The 3.0L V6 alternator is particularly prone due to its location near exhaust heat.

Common Symptoms

  • Battery warning light on dashboard
  • Dimming headlights at idle
  • Electrical accessories cutting out
  • Battery keeps dying
  • Whining noise from alternator area

How to Fix

Replace the alternator with a new or quality remanufactured unit. Avoid cheap rebuilds as they tend to fail again quickly. Test the battery and replace if it has been deeply discharged. Inspect the serpentine belt and tensioner during the service. For 3.0L models, consider adding a heat shield if the replacement unit does not include one.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Duralast Gold new alternator 13996N
    OEMDuralast Gold 13996N

    2003-2005 Mazda6 2.3L automatic-transmission 90A branch after charging diagnosis Fitment/availability: The inspected direct page is a live Duralast Gold 13996N product with Add to Cart at $291.99 plus core. Manufacturer/interchange fitme…

    AutoZone
  • Duralast Gold new alternator 11005N
    OEMDuralast Gold 11005N

    2003-2005 Mazda6 2.3L manual-transmission 90A branch after charging diagnosis Fitment/availability: The inspected direct page is a live Duralast Gold 11005N product with Add to Cart at $235.99 plus core. Application data identifies Leste…

    AutoZone
  • Duralast Gold new alternator DLG15582
    OEMDuralast Gold DLG15582

    2006-2008 Mazda6 2.3L naturally aspirated 100A branch after charging diagnosis Fitment/availability: The inspected direct page is a live Duralast Gold DLG15582 product with Add to Cart at $399.99 plus core. TYC/MPA interchange data maps …

    AutoZone
  • Duralast Gold new alternator DLG11007
    OEMDuralast Gold DLG11007

    2003-2008 Mazda6 3.0L V6 110A branch after charging diagnosis Fitment/availability: The inspected direct page is a live Duralast Gold DLG11007 product with Add to Cart at $289.99 plus core. Application and interchange data identifies 110…

    AutoZone

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$300 - $700

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Community Reported
Medium Confidence

Mazda communications document multiple distinct infotainment paths: 2014 navigation freezes, 2016 software-correctable black-screen/freezing/reboot concerns, a narrow 2016 CMU hardware shutdown, and diagnostic guidance through 2021. CSP13 provides a 24-month limited warranty extension for software updates and/or necessary CMU repair or replacement only on eligible 2016-2021 Mazda6 vehicles with CSP13 shown in Warranty Vehicle Inquiry; it does not cover every screen, switch, SD card, reader or wiring concern.

Common Symptoms

  • screen freezes, goes black or reboots
  • system shuts down and only recovers after an ignition cycle
  • USB, SD, navigation or favorites concern may require software or component-specific diagnosis

How to Fix

Record the exact display behavior and current software version, then use Mazda's symptom troubleshooting before replacing hardware. Ask a Mazda dealer to check Warranty Vehicle Inquiry for CSP13 eligibility on 2016-2021 vehicles. Do not buy a CMU, display or SD card from this page; software, hardware and peripheral faults require different remedies and current VIN-specific parts.

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

Mazda SSPA0 applies to certain 2009-2013 Mazda6 vehicles produced from February 4, 2008 through August 24, 2012. Heat and humidity can deteriorate the crash-pad surface until it becomes sticky. The program extended coverage for verified sticky surfaces to 10 years from the original warranty start date; discoloration, warping and splitting were excluded.

Common Symptoms

  • sticky or tacky upper dashboard surface after heat exposure
  • glare or residue from a deteriorated crash-pad surface

How to Fix

Verify the sticky-surface condition and the vehicle's VIN/build range. Ask a Mazda dealer whether any coverage or goodwill remains, but do not promise a free repair in 2026 because the ten-year extension may have expired. Do not buy a crash pad or coating kit from this page; diagnosis, current coverage and the VIN-specific service part must be confirmed.

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026
Campaign #21V87500012/11/2021

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

get a full repair guide

What is the 2003-2015 Mazda Mazda6 Subframe and Underbody Rust / Corrosion?

First and second generation Mazda6 models are prone to severe underbody rust, particularly in the rear subframe, control arm mounting points, and rocker panels. Road salt accelerates corrosion to the point where structural integrity is compromised. Mazda issued TSB 09-007/15 and… Repairs typically run $500-$3,000. Severity: high.

What is the 2009-2021 Mazda Mazda6 Variable Valve Timing (VVT) Actuator Failure?

The exhaust-side VVT actuator (cam phaser) fails due to oil sludge and wear, causing timing codes and engine rattle. The actuator solenoid can also stick, leading to incorrect valve timing. Oil change neglect accelerates failure. Common on both MZR and early SkyActiv 2.5L engines… Repairs typically run $400-$1,200. Severity: high.

What is the 2014-2015 Mazda Mazda6 Rear Parking Brake Caliper Corrosion / Sticking (Recall 1217F / 17V393)?

Recall 1217F / NHTSA 17V393 covers 2014-2015 Mazda6 vehicles equipped with a hand-operated parking-brake lever. Reduced boot sealing can allow water into the rear brake caliper; the actuator shaft may corrode and bind, reducing parking-brake holding force or causing brake drag. Severity: high.

What is the 2009-2016 Mazda Mazda6 Front Subframe / Cross Member Corrosion (Recall 19V323 for 2011-2013)?

Mazda6 sedans have a history of corrosion at the front cross member where two suspension components connect, caused by insufficient paint coverage. Severe rust can weaken the connection and cause steering alignment to change unexpectedly. 2011-2013 models in salt-belt states were… Severity: high.

What is the 2018 Mazda Mazda6 Low-Pressure Fuel Pump Impeller Cracking / Engine Stall (Recall 21V875 / 5321K)?

Recall 5321K / NHTSA 21V875 covers certain 2018 Mazda6 vehicles built with the subject low-pressure fuel pump. An inadequately dense impeller can develop surface cracking, deform and interfere with the pump body, causing fuel-pump failure, no-start or an engine stall. Severity: high.

What is the 2018-2021 Mazda Mazda6 SkyActiv-G 2.5T Turbo Cylinder Head Cracking / Coolant Leak?

A proposed class action alleges that the turbocharged SKYACTIV-G 2.5T engine in 2018-2021 Mazda6 (and other Mazda models) has a structural weakness in the cylinder head near the exhaust manifold. Cracks can develop at the stud bolt hole or the outside of the exhaust manifold, all… Repairs typically run $2,000-$6,000. Severity: high.

What is the 2003-2013 Mazda Mazda6 Takata Passenger Airbag Inflator Rupture (Do Not Drive)?

The passenger-side Takata airbag inflators in 2003-2013 Mazda6 vehicles can degrade over time, especially in high-heat and high-humidity climates. When deployed, the inflator can rupture and spray sharp metal fragments into the cabin. NHTSA has flagged certain Mazda6 model years… Severity: high.

What is the 2009-2013 Mazda Mazda6 Front Lower Control Arm Ball Joint Premature Wear?

Second-generation Mazda6 models are known for premature front lower control arm ball joint wear, sometimes as early as 40,000-60,000 miles. The ball joint boots crack and allow grease to escape and moisture to enter, accelerating wear. A failed ball joint is a serious safety conc… Repairs typically run $300-$800. Severity: high.

What is the 2009-2021 Mazda Mazda6 Rear Brake Caliper Seizing?

Rear brake calipers seize due to corrosion of slide pins and the integrated parking brake mechanism. Salt-belt vehicles are especially affected. Causes dragging brakes, uneven pad wear, and premature rotor warping. The parking brake cable can also corrode and prevent full caliper… Repairs typically run $250-$650. Severity: medium.

What is the 2003-2008 Mazda Mazda6 Alternator Premature Failure and Charging System Issues?

First-generation Mazda6 models (especially with the 2.3L and 3.0L engines) experience premature alternator failure, often between 60,000-100,000 miles. The internal voltage regulator and rectifier diodes fail, causing undercharging or overcharging. Symptoms include dimming lights… Repairs typically run $300-$700. Severity: medium.

What is the 2014-2021 Mazda Mazda6 SkyActiv-G Intake Valve Carbon Buildup (Direct Injection)?

Because the SkyActiv-G direct-injection engine sprays fuel directly into the cylinder, no detergent fuel ever washes the back of the intake valves. Oil vapor drawn through the PCV system bakes onto the hot valve stems and accumulates as hard carbon, typically becoming noticeable… Repairs typically run $300-$600. Severity: medium.

What is the 2014-2021 Mazda Mazda6 Mazda Connect Infotainment Freezing / Reboot Loop?

Mazda communications document multiple distinct infotainment paths: 2014 navigation freezes, 2016 software-correctable black-screen/freezing/reboot concerns, a narrow 2016 CMU hardware shutdown, and diagnostic guidance through 2021. CSP13 provides a 24-month limited warranty exte… Severity: medium.

What is the 2014-2021 Mazda Mazda6 EGR Valve Carbon Buildup and Coolant Leak (SkyActiv 2.5L)?

The SkyActiv 2.5L engine in third-generation Mazda6 models uses a cooled EGR system that is prone to carbon buildup and coolant leaks. The EGR valve and cooler accumulate carbon deposits over time, restricting flow and causing rough idle and reduced performance. Additionally, the… Repairs typically run $200-$800. Severity: medium.

What is the 2003-2008 Mazda Mazda6 Rear Trailing Arm Bushing Deterioration?

The rear trailing arm bushings on first-generation Mazda6 models deteriorate and crack with age, causing a noticeable clunking sound from the rear over bumps and during braking. The degraded bushings allow excessive rear axle movement, leading to vague handling, rear tire inner-e… Repairs typically run $250-$600. Severity: medium.

What is the 2009-2013 Mazda Mazda6 Melting / Sticky Dashboard Crash Pad?

Mazda SSPA0 applies to certain 2009-2013 Mazda6 vehicles produced from February 4, 2008 through August 24, 2012. Heat and humidity can deteriorate the crash-pad surface until it becomes sticky. The program extended coverage for verified sticky surfaces to 10 years from the origin… Severity: low.