Au7o mascotAu7o
Known IssuesTest Hub demo
  1. Au7o
  2. /
  3. Known Issues
  4. /
  5. Honda
  6. /
  7. Prologue
Honda · Known Issues

2025 Honda Prologue Problems: 5 Known Issues

2025 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026

Share:@au7o.io

2025 · All trims · All engines

Choose the year and equipment for your written issues and visual request.

No email neededHow interest is saved

Interest applies to the selected vehicle and configuration; it is not a reservation. Voting stores a first-party identifier for up to 180 days to prevent repeat votes. No account or email is needed. Clearing cookies or using another device may count separately. Privacy

Visual coming soon

Your interest helps us choose what to build next.

Visual Known Issues · Coming soon

$4.99/month plus taxes at launch · No payment today

Preview the XT6 example
Known IssuesMotorcycle IssuesDTC LookupDrivePricingAboutTermsPrivacyCookiesConsentData rightsCopyrightFeedback
Share:@au7o.io

Vehicle data and repair guidance on this site are compiled with AI assistance and may contain errors. Always verify with your service manual or a qualified mechanic.

Data protection representation

DataRep representative in the United KingdomDataRep representative in the European Union
Au7o · 2026
Built for DIY mechanics. Privacy-first.
Explore free Hub demo
Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2025 Honda Prologue has 5 documented known issues, with 2 rated critical. The most serious are 12V Auxiliary Battery Premature Discharge Causing 'Service Battery Fault' and a Completely Dead Vehicle ($0-$400 repair) and Rearview Camera Housing Water Ingress Corrodes Internals and Produces a Black Backup Image (Recall 26V306) ($0-$0 repair). DIY maintenance guides at au7o.io.

In This Article

  • Prologue Electrical2
  • Prologue Safety/Recalls1
  • Prologue HVAC1
  • Prologue Interior1
  • Recalls3
  • FAQ
Get Started
Back to top

In This Article

  • Electrical2
  • Safety/Recalls1
  • HVAC1
  • Interior1
  • Recalls3
  • FAQ

All 5 Known Issues

Filter:
ALL YEARS202620252024

On the 2024-2026 Honda Prologue, prologue owners report the low-voltage 12V auxiliary battery going flat far short of its normal 4-6 year service life, in some cases on nearly new vehicles and after only overnight or a week of parking with a healthy high-voltage pack state of charge. Because every system in the car is electronically gated by the 12V rail, the failure does not look like a slow crank - it produces a dead or flickering display, a shifter that will not move out of Park, a car that will not power up at all, and 'Service Battery Fault - Shutting Down Soon' messages. A weak 12V also prevents the high-voltage contactors from closing reliably, so AC and DC charging sessions abort with relay clicking and never start, which owners frequently misdiagnose as a charger or charge-port problem. Root causes reported at dealers include a genuinely defective cell in the original battery and parasitic drain from modules that fail to sleep.

Common Symptoms

  • 'Service Battery Fault - Shutting Down Soon' message
  • Car completely dead after sitting overnight or for a week
  • Blank or flickering displays when pressing the start button
  • Shifter stuck in Park, vehicle will not go into gear despite HV range remaining
  • AC or DC charging aborts with relay clicking and never begins
  • Multiple unrelated warning lights appearing at once
  • Problem returns days or weeks after a jump start

How to Fix

Have the dealer load-test the 12V auxiliary battery and perform a parasitic draw test before replacing expensive high-voltage components. Replacement of the 12V battery is covered under the new-vehicle warranty in most early-failure cases; expect roughly $200-$350 out of pocket otherwise. After replacement the technician must run the battery-sensor reset and relearn procedures and road-test, or the fault messages persist. Disconnecting the 12V briefly can clear a stuck no-start. For long-term storage, park with a reasonable HV state of charge and use a 12V maintainer per Honda guidance.

Typical repair cost:$0 - $400

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
Medium ConfidenceVerifiedReviewed Aug 2026

On the 2024-2026 Honda Prologue, a recurring Prologue-specific complaint is the charge port door itself. The door will not latch closed and pops back open, or the latch position sensor fails to register a closed door so the vehicle displays a persistent 'Charging Door Open' message even with the door visibly shut. Because the vehicle uses charge-door state in its charging and drive-away logic, owners also report the car refusing to initiate a charge session or nagging continuously while driving. Some owners report the charge cable latching mechanism not releasing cleanly. Lubricating the locking mechanism has not resolved it in the reported cases; dealers have resolved several by replacing the complete charge port door assembly, and in some high-voltage-fault cases the charge port assembly itself was replaced.

Common Symptoms

  • 'Charging Door Open' message displayed with the door closed
  • Charge port door will not stay latched and pops back open
  • Vehicle will not begin an AC or DC charge session
  • Charge cable will not release from the port
  • Repeated warning chimes while driving

How to Fix

Have the dealer inspect the charge door latch alignment and the door-position sensor. A slightly misaligned latch sometimes clears with a firm press or a latch realignment, but the durable fix in reported cases has been replacement of the charge port door assembly (and in some cases the charge port assembly) under new-vehicle warranty. Do not attempt to fix it with lubricant - owners report that does not work. No recall covers this; it is a warranty repair. Out of warranty, expect roughly $300-$900 depending on whether the door or the full port assembly is replaced.

Typical repair cost:$0 - $900

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
Medium ConfidenceVerifiedReviewed Aug 2026

On the 2024-2025 Honda Prologue, honda recalled 2024-2025 Prologue (44,199 units, alongside the 2024 Acura ZDX, ~59,887 total) because the rearview camera housing was assembled with improperly bonded seams. Moisture penetrates the camera body, corrodes the internal electrical components, and the center display eventually shows a blank or badly distorted image when the vehicle is shifted into reverse, violating FMVSS 111 rear-visibility requirements. This is a HARDWARE defect distinct from the earlier Radio Control Module software recall (26V112) that blanked the whole instrument panel - it cannot be fixed by an OTA update. Honda estimated roughly 5% of the recalled population actually exhibits the defect but recalled the full build range. Improved cameras entered production June 9, 2025, so later builds are outside the population.

Common Symptoms

  • Backup camera image is completely black when shifting into reverse
  • Camera image is distorted, foggy, streaked or intermittently drops out
  • Condensation or moisture visible inside the camera lens housing
  • Camera works intermittently, worse in wet or humid weather
  • No rear view when reversing, increasing backing-collision risk

How to Fix

Free recall remedy: dealers replace the rearview camera assembly with the improved-seal part at no charge under NHTSA campaign 26V306. Owner notification letters were mailed July 6, 2026. Check your VIN at nhtsa.gov/recalls or call American Honda at 1-888-234-2138. There is no software workaround - the part must be replaced. Out of warranty and outside the recall population a camera replacement typically runs a few hundred dollars.

Find a Honda 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 Honda dealer map in Google Maps ↗

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

Typical repair cost:$0 - $0

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
High ConfidenceVerifiedReviewed Aug 2026

On the 2024-2026 Honda Prologue, prologue owners in cold climates report the heat pump climate system failing to deliver cabin heat: the heater cycles itself on and off, blows ice-cold air in sub-freezing conditions, or stops working entirely. Dealer findings in documented owner cases point at the refrigerant circuit shared with the battery thermal system - low refrigerant charge in the heat pump, failed valves, and in one case a bent purge valve requiring hose and pipe disassembly and seal replacement. Repairs have been slow, with one lessee reporting the vehicle held at the dealer for approximately four weeks waiting on valve parts. Because the heat pump refrigerant loop is shared with high-voltage battery conditioning, a leak here can present as an HVAC complaint, a charging complaint, or both at once - owners have reported low refrigerant in the heat pump also affecting the charging system.

Common Symptoms

  • Heater blows ice-cold air in freezing temperatures
  • Cabin heat cycles itself on and off randomly
  • No cabin heat at all with climate set to Heat
  • Unusually severe range loss in cold weather from resistive-heat fallback
  • Loss of cabin heat occurring alongside high-voltage or charging warnings

How to Fix

Dealer diagnosis of the heat pump refrigerant circuit: leak test, replace failed purge/expansion valves and seals, evacuate and recharge. Covered under the new-vehicle warranty; parts availability has been the limiting factor with multi-week repairs reported. Before assuming a defect, confirm the climate mode is actually set to Heat on the far-right dash control rather than Auto or A/C, as several reported 'no heat' cases were a settings issue. If the heater blows cold in below-freezing weather regardless of settings, or the fault appears alongside charging or HV warnings, treat it as a refrigerant-circuit failure and get it diagnosed.

Typical repair cost:$0 - $1,800

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
Low ConfidenceVerifiedReviewed Aug 2026

On the 2024-2026 Honda Prologue, separate from the recall that blanks the screens entirely, the Prologue's Radio Control Module produces a family of persistent connectivity and stability faults. Owners report wireless Apple CarPlay and Android Auto dropping out repeatedly - notably over rough pavement, which points at a connector or antenna seating issue rather than a phone problem - phones that will not pair or that vanish from the pairing list, the center display freezing when switching to the SiriusXM source, CarPlay disappearing from the menu entirely, and the wireless phone charging pad failing to charge or causing the system to stop recognizing a phone if the phone is placed on the pad before the vehicle is powered on. Honda has addressed portions of this in software: TSB 25-051 (A11 Radio Control Module Software Updates #1, July 30, 2025) specifically fixes the SiriusXM source-switch freeze along with volume and chime tuning and a missing 'BRAKE' message during front collision warning, and TSB 25-081 covers vehicle-wide programming.

Common Symptoms

  • Wireless CarPlay or Android Auto disconnects repeatedly, worse on rough roads
  • Center display freezes when switching to SiriusXM
  • CarPlay icon disappears from the infotainment menu
  • Phone will not pair or is not recognized by the system
  • Wireless charging pad does not charge the phone
  • General infotainment lag, glitching and random reboots

How to Fix

Ask the dealer to apply the latest Radio Control Module software under Honda TSB 25-051 (A11 Radio Control Module Software Updates) and TSB 25-081 (Vehicle-Wide Programming #1), free under warranty. As an owner-side workaround, restart the infotainment by holding the hang-up toggle on the right side of the steering wheel for about 15 seconds with the car on, then re-pair the phone (forget and re-add the CarPlay/Android Auto profile) and reset network settings on the phone. Do not place the phone on the wireless pad before powering the vehicle on. If dropouts correlate with road roughness after software is current, have the dealer inspect the display and RCM harness connectors.

Typical repair cost:$0 - $200

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
Medium ConfidenceVerifiedReviewed Aug 2026
NHTSA Recalls3 recalls

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

American Honda Motor Company (Honda) is recalling certain 2024-2025 Honda Prologue and 2024 Acura ZDX vehicles. The rearview camera screen may display a distorted or blank image.

Campaign #26V30600014/05/2026

SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

Honda (American Honda Motor Co.) is recalling certain 2024 Prologue vehicles. The right front lower control arm may contain a manufacturing defect that can cause it to fracture.

Campaign #24V54000018/07/2024

BACK OVER PREVENTION:SOFTWARE

Honda (American Honda Motor Co.) is recalling certain 2024 Acura ZDX and Prologue vehicles. Due to a software error, the instrument panel display may fail. Additionally, a software error may cause the rearview camera to display a blank screen when the vehicle is in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 101, "Control and Displays," 111, "Rear Visibility," and 305, "Electric-Powered Vehicles."

Campaign #26V112000
🔧
A mechanic who knows YOUR exact car
Answers tuned to your year, make, model & trim — not generic advice. Save your garage so it always has the right context.
Get ahead of Honda Prologue problems — free
Leave your email and we'll alert you the moment there's a new recall or known issue for your Honda Prologue. Free, no account needed.

Don't see your problem? Describe your symptoms to get a diagnosis, or get a full repair guide.

Other Honda Models

Honda Civic74Honda CR-V64Honda Accord62Honda Pilot42Honda Odyssey25Honda HR-V24

Frequently Asked Questions

What are the most common Honda Prologue problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2025 Honda Prologue has 5 documented issues. The most frequently reported are: 12V Auxiliary Battery Premature Discharge Causing 'Service Battery Fault' and a Completely Dead Vehicle, Rearview Camera Housing Water Ingress Corrodes Internals and Produces a Black Backup Image (Recall 26V306), Heat Pump Refrigerant Loss and Purge/Expansion Valve Failure Causing No Cabin Heat in Cold Weather. Of these, 2 are rated critical and should be addressed promptly.

Is the Honda Prologue reliable?

The 2025 Honda Prologue has 5 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: 12V Auxiliary Battery Premature Discharge Causing 'Service Battery Fault' and a Completely Dead Vehicle and Rearview Camera Housing Water Ingress Corrodes Internals and Produces a Black Backup Image (Recall 26V306). 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 Honda Prologue problems?

Repair costs for known Honda Prologue issues range from $0 to $1,800, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 12V Auxiliary Battery Premature Discharge Causing 'Service Battery Fault' and a Completely Dead Vehicle, typically costs $0-$400 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2024-2026 Honda Prologue 12V Auxiliary Battery Premature Discharge Causing 'Service Battery Fault' and a Completely Dead Vehicle?

Prologue owners report the low-voltage 12V auxiliary battery going flat far short of its normal 4-6 year service life, in some cases on nearly new vehicles and after only overnight or a week of parking with a healthy high-voltage pack state of charge. Because every system in the… Repairs typically run $0-$400. Severity: high.

What is the 2024-2025 Honda Prologue Rearview Camera Housing Water Ingress Corrodes Internals and Produces a Black Backup Image (Recall 26V306)?

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 compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.

26/02/2026

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

Honda recalled 2024-2025 Prologue (44,199 units, alongside the 2024 Acura ZDX, ~59,887 total) because the rearview camera housing was assembled with improperly bonded seams. Moisture penetrates the camera body, corrodes the internal electrical components, and the center display e… Repairs typically run $0-$0. Severity: high.

What is the 2024-2026 Honda Prologue Heat Pump Refrigerant Loss and Purge/Expansion Valve Failure Causing No Cabin Heat in Cold Weather?

Prologue owners in cold climates report the heat pump climate system failing to deliver cabin heat: the heater cycles itself on and off, blows ice-cold air in sub-freezing conditions, or stops working entirely. Dealer findings in documented owner cases point at the refrigerant ci… Repairs typically run $0-$1,800. Severity: medium.

What is the 2024-2026 Honda Prologue Charge Port Door Latch and Position Sensor Failure Triggering a Persistent 'Charging Door Open' Warning?

A recurring Prologue-specific complaint is the charge port door itself. The door will not latch closed and pops back open, or the latch position sensor fails to register a closed door so the vehicle displays a persistent 'Charging Door Open' message even with the door visibly shu… Repairs typically run $0-$900. Severity: medium.

What is the 2024-2026 Honda Prologue Radio Control Module Infotainment Faults: CarPlay/Android Auto Dropouts, Center Display Freeze and Wireless Charger Failure?

Separate from the recall that blanks the screens entirely, the Prologue's Radio Control Module produces a family of persistent connectivity and stability faults. Owners report wireless Apple CarPlay and Android Auto dropping out repeatedly - notably over rough pavement, which poi… Repairs typically run $0-$200. Severity: low.