Service News - Some customers have complained of fluid leaking from the rear differential after it has been serviced due to over-torqueing of the drain plugs during servicing.
full bulletin at NHTSA ↗2020 Honda CR-V powertrain problems
severe 15 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Complaints
15
Recalls
0
Avg fix
$2,500
2crashes
2injuries
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Service Bulletin - The vehicle message "All Wheel Drive System Problem" is shown on the dash. The possible cause is the machining marks on the motor shaft allowed differential oil to be pulled into the motor assembly.
full bulletin at NHTSA ↗Service Bulletin - When driving over bumps at low speed, clicks, pops, creaks, or rattles can be heard coming from the vehicle.
full bulletin at NHTSA ↗Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020 CR-Vs with a customer complaint of a clunking noise coming from the transmission mount. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
full bulletin at NHTSA ↗Dealer Message - American Honda Motor Co., Inc. (AHM) is investigating certain 2020 CR-Vs with a customer complaint of a clunking noise coming from the transmission mount. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of the 2020 CR-V report a range of powertrain failures with little apparent pattern or warning. Transmission issues include refusal to shift into reverse or any gear, stalling while driving, and unintended downshifting at highway speeds—sometimes without warning lights. Multiple owners report sudden power loss while driving, with some experiencing severe deceleration from highway speeds while the engine remains running. Check engine lights sometimes flash; other incidents produce no warning at all.
The AWD system fails on several vehicles, reverting to front-wheel drive only, with Honda's service bulletin specifying rear differential pump motor replacement. Front axles fail prematurely at low mileage with noise during turns. One owner describes fuel pump failure at 14,400 miles and torque converter seal leaks at 4,670 miles.
A specific design vulnerability appears: unshielded wires routed beneath the rear-view mirror can be cut by hanging accessories such as parking placards or handicap placards, causing complete system shutdown with total brake failure. Two separate complaints describe this scenario.
Dealer diagnostics frequently fail to reproduce or identify the root cause of failures. One vehicle stalled in a busy intersection; another accelerated unexpectedly while parking and hit a tree. Several owners report feeling unsafe driving their vehicles due to loss of power or unexplained system errors.
Same Honda CR-V powertrain reports on nearby years: 2017 · 2018 · 2019 · 2021 · 2023
Failure modes owners describe
Exposed wiring under rear-view mirror, vulnerable to cutting by aftermarket accessories
Unshielded wires routed beneath the rear-view mirror are exposed to contact from hanging accessories such as parking placards. When cut by such accessories, the wires short and cause complete computer system malfunction, disabling the vehicle.
When: During normal operation with aftermarket accessory in place
Symptoms owners cite: Vehicle will not shift into any gear; Multiple warning messages (brake system, electric parking brake, tire pressure monitor, transmission, auto engine idle stop); Complete loss of drive capability
Repairs/costs cited: Wires replaced; repair cost reported as $2,451
Unexpected acceleration at low speed
Vehicle accelerated without driver input while owner was attempting to park at 1 mph. Vehicle jumped curb and struck tree, stopping only upon impact. Airbags did not deploy despite severe front-end damage.
When: While parking at approximately 1 mph; failure mileage approximately 11,500
Symptoms owners cite: Independent acceleration without warning; Loss of driver control; Multiple warning lights appeared post-incident
Repairs/costs cited: Total vehicle damage estimated at $10,446.10; not yet repaired at time of complaint
Transmission wire harness corrosion shortly after replacement
Newly installed transmission developed corroded wire harness within months, requiring replacement. Vehicle also failed with defective speed sensor. Garage-kept vehicle with no environmental exposure history. Corrosion on recently replaced part points to defective component or improper installation.
When: March 2026, within months of transmission replacement in November 2025; approximately 36,000 miles
Symptoms owners cite: Transmission failure; Adaptive cruise control malfunction; Speed sensor failure
Repairs/costs cited: Speed sensor replaced for $388.44; transmission wire harness replaced for $1,696.99
Recalls/TSBs owners mention: New transmission came with 3 year/36,000 mile warranty
Sudden loss of power and deceleration while driving
Vehicle experienced sudden deceleration from highway speed (75 mph down to 10 mph) with engine still running. Electrical system remained functional. Vehicle lost power to propel itself and could not generate enough power to drive onto flatbed for towing. No warning light illuminated. Dealer unable to diagnose; no fault code retrieved.
When: At approximately 950 miles; while driving at 75 mph
Symptoms owners cite: Sudden unintended deceleration; Loss of driving power despite engine remaining on; No warning indicators
Repairs/costs cited: Vehicle not repaired; cause undiagnosed
Recalls/TSBs owners mention: Manufacturer provided case number; possibly related to NHTSA campaign 19V865000
Transmission shift failures and stalling
Vehicle failed to shift into reverse after dealer service and again failed to shift while driving at low speed, accompanied by abnormal noise. Vehicle stalled and owner could not shift gears. Manual gear shifting by bystander was required to drive vehicle home. No warning lights illuminated despite failures.
When: First occurrence after tire shop service; recurrence on July 23, 2021 at approximately 8,400 miles while driving 5 mph
Symptoms owners cite: Unable to shift into reverse; Unable to shift gears while driving; Vehicle stalling; Abnormal noise before stalling; No warning illumination
Repairs/costs cited: First repair involved replacing unknown fuse; second failure pending repair at time of complaint
Intermittent unintended downshifting at highway speeds
Vehicle intermittently downshifted without driver input while at highway speeds. On one occasion, loss of control resulted with vehicle drifting into adjacent lane, triggering lane assist warning. Dealer could not diagnose or duplicate the problem. Dealer recommended disengaging Stop/Start feature as workaround.
When: At highway speeds; approximately 23,000 miles
Symptoms owners cite: Unintended downshifting; Loss of vehicle control and lane drift; Lane assist warning activation
Repairs/costs cited: No repair completed; dealer recommended Stop/Start feature disengagement as workaround
Recalls/TSBs owners mention: Manufacturer referred complainant to NHTSA hotline; no recall identified
Torque converter seal leak and fuel pump failure
Torque converter seal leaked at very low mileage (4,670 miles). Battery failed unexpectedly in extreme heat conditions. Fuel pump failed at only 14,400 miles, causing vehicle to stall in middle of busy intersection. Multiple significant powertrain failures within warranty period.
When: Oil seal replacement at 4,670 miles; battery failure in August 2023; fuel pump failure on October 20, 2023 at 14,400 miles
Symptoms owners cite: Torque converter seal leak; Battery failure in heat; Fuel pump failure causing stall; Vehicle stall in traffic
Repairs/costs cited: Oil seal replaced (cost not stated); fuel pump replaced at 14,400 miles
Recalls/TSBs owners mention: No recalls identified for this VIN; warranty expires December 2023
Gear shifter stuck in park with multiple warning lights
While parked with engine started, gear shifter became stuck in park position. Multiple unknown warning lights illuminated. Initial diagnosis indicated battery replacement needed; however, problem persisted after battery replacement. Owner became aware of unstated recall but VIN not covered.
When: While vehicle parked; approximately 62,000 miles
Symptoms owners cite: Gear shifter stuck in park; Multiple warning lights illuminated; Problem persisted after battery replacement
Repairs/costs cited: Battery replaced; problem persisted after repair
Loss of engine power and check engine light while accelerating
While driving at 60 mph on freeway, sharp acceleration caused sudden power loss and flashing check engine light. Vehicle ran rough (sounding like running on two cylinders) and could barely climb slight incline at less than 5 mph. After pulling over and restarting engine, vehicle ran normally. Dealer unable to reproduce or diagnose issue.
When: While driving on freeway at 60 mph; problem resolved after restart
Symptoms owners cite: Sudden power loss during acceleration; Flashing check engine light; Rough running (two-cylinder sound); Severe power reduction
Repairs/costs cited: No repair completed; dealer unable to diagnose
All-wheel drive system error and power loss with unsafe driving conditions
All-wheel drive system error alert appeared on dashboard while driving. Vehicle seemed to slow and lost power. After pulling over and restarting, error returned and remained. Vehicle felt unsafe with hesitation and wobbling sensation during acceleration. Owner expressed concern that vehicle stopping would cause accident.
When: Approximately 40 miles from home; error persisted after restart
Symptoms owners cite: AWD system error message; Vehicle slowing/power loss; Acceleration delay; Wobbling sensation; Unsafe driving conditions
Loss of engine power with flashing check engine light while driving
Vehicle lost roughly half its power while traveling in heavy traffic on interstate. Check engine light began flashing simultaneously. After exiting interstate and restarting engine, problem was resolved and did not recur within a week. No diagnostic inspection completed at time of complaint.
When: While driving in heavy interstate traffic
Symptoms owners cite: Loss of half power; Flashing check engine light; Power restored after engine restart
Repairs/costs cited: No inspection completed; appointment scheduled with dealer
Brake system failure due to exposed wiring cut by handicap placard
All brakes stopped working and all warning lights activated when exposed wiring under rear-view mirror was cut by hanging handicap placard. Placard was hung in normal intended manner. Vehicle ran off road and struck sign, causing damage. Hard plastic placard easily cut through wire insulation.
When: During normal driving with placard in place
Symptoms owners cite: Complete brake failure; All warning lights on dashboard; Loss of vehicle control
Repairs/costs cited: Wire replacement required due to short circuit
Rear differential pump motor failure with AWD system malfunction
Dashboard indicator shows 'All Wheel Drive System Problem' with AWD system non-operational, vehicle reverting to FWD only. Honda Service Bulletin 23-031 (April 7, 2023) specifies replacement of rear differential pump motor as corrective action. Online postings indicate this is a common problem in 2020/2021 CR-V models.
Symptoms owners cite: AWD system error message on dashboard; AWD system non-functional, FWD only; Loss of all-wheel drive capability
Codes mentioned: C1851-1E, C1851-18
Repairs/costs cited: Honda Service Bulletin 23-031 specifies rear differential pump motor replacement
Recalls/TSBs owners mention: Honda Service Bulletin 23-031 dated April 7, 2023
Front axle noise and premature CV joint failure
Both front axles generate noise after approximately 20 minutes of driving when vehicle is turning. Honda service indicates axles need replacement but cannot identify cause of failure. CV boots remain intact. Premature failure at low mileage (33,000 miles) suggests systemic defect rather than owner neglect.
When: After 20 minutes of driving with turning; approximately 33,000 miles
Symptoms owners cite: Front axle noise when turning; Noise appears after 20 minutes of driving; Axle failure
Repairs/costs cited: Honda indicates new axles needed; cause unknown; CV boots intact
Synthesized from 15 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Had powertrain trouble with your 2020 Honda CR-V?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2020 Honda CR-V?
It's a meaningful issue. 15 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain typically fail?
Based on the 15 complaints filed, powertrain issues most often appear around 26,225 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2020/Honda/CR-V.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.