2020 Honda Accord electrical problems
62 of the 401 complaints owners filed with NHTSA about the 2020 Honda Accord name the electrical system (NHTSA’s “Electrical System” heading — wiring, modules, batteries, charging, infotainment and driver displays — NHTSA's broadest heading). Filed under the same heading: 89 manufacturer bulletins, 1 recall, 1 NHTSA investigation. Every figure below is a document in a federal file, linked; none is a failure rate, and none is a verdict on any one car.
What owners filed about the electrical system
Source: NHTSA complaint database3 of the 62 reports a crash · 1 a fire · 5 injuries. Self-reported, unverified.
Filed per year: 2020: 3 · 2021: 8 · 2022: 6 · 2023: 3 · 2024: 6 · 2025: 22 · 2026: 14
Half of the 16 owners who gave an odometer reading reported the electrical problem between 2,000 and 40,000 miles. A median of reports, not the life of a part.
401 complaints in all about the 2020 Honda Accord, 14 filed in 2026. The whole picture, every system →
Counts are owner reports to NHTSA, not verified defects, and scale with how many of these were sold; nothing here is a rate. NHTSA groups complaints coarsely, so “Electrical System” means the same area of the vehicle, not one fault.
Across model years: Honda Accord electrical problems, every year on file →
In owners’ own words
Source: NHTSA complaint databaseFiled with NHTSA by the people who own these cars, about the electrical system. Quoted as written, with anything identifying removed; unverified reports — what was said, not a finding that it was true.
When use right turn signal, audio [radio] cuts out. We reported it to the dealer in , they could not duplicate the problem. Intermittent problem - use right turn signal, radio cuts out. Honda dealer replaced electrical harness while still under warranty - same problem - use right turn signal, radio cuts out.
I am reporting a potential safety issue with my 2020 Honda Accord Touring Hybrid. On September 4, 2025, my dealership identified a non-genuine purple quick-splice connector in the driver’s door harness, which they attribute to error codes B1142 (Driver’s Door Lock Knob Switch Circuit), U0199 (Lost Communication with Driver’s Door…
While diving at highway speeds (first at 55mph in may 2025 and then again in July 2025 at 65mph) I got a warning on screen about power loss and a critical failure and that power will be reduced and to stop at the side of the road.
The ANC module malfunctions already at only 67000 miles and causes a humming noise which is very annoying when driving. The ebreak also malfunctions during cold weather conditions. I have had to restart the car due to the electronic parking break not working properly. In case of an emergency I might need it and it may malfunction
I received a recall notice that there is a safety recall on my vehicle for a circuit board under the PASSENGER seat. Manufacturer Recall #XHP, NHTSA recall number 24V064. I utilize my vehicle to provide a source of income. My local dealership informed me after I called them that there was currently no remedy to the problem.
What is on file about the electrical system
Source: NHTSA recalls, investigations and manufacturer communicationsRecall filed under this heading
- 20V798000 HighDec 17, 2020 · 27,838 vehicles
- Honda (American Honda Motor Co.) is recalling certain 2020 CR-V Hybrid, Accord Hybrid, and 2020-2021 Insight vehicles. The DC-DC converter may shut down and prevent the 12-volt battery from recharging, possibly resulting in a loss of drive power.
NHTSA investigation
- DP22005 Pedestrian alert soundsopened Jan 27, 2023 · closed Aug 7, 2023
- NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and ele…
89 manufacturer bulletins filed under this heading
- AAHS09162026902 OtherSep 16, 2026
- Dealer Message - On August 21st, 2026, American Honda issued a Product Update for certain 2018-2022 Accord and Accord Hybrid models that received the accessory Wireless CarPlay and Android Auto upgrade. Refer to Service Bulletin 26-068 for additional information regarding the Product Update.
- AATS31549 OtherAug 31, 2026
- Tech Line Summary - Customers may report that the center display unit changes screens on its own, registers unintended inputs, or operates erratically without user interaction. The condition may be more noticeable when vehicle interior temperatures are elevated.
The 2 newest are listed; every one is on the model year’s page. Quote the document number at a service desk — it is a diagnosis the maker has already written down.
Trouble codes named on this system
P0172 P0087 B1142 P0236 P0372 U0199
Codes a bulletin or an owner’s complaint about the 2020 Honda Accord names on this model year; a code with a record of its own links it.
Other systems with a record on the 2020 Honda Accord
Source: the same files- automatic emergency braking problems 150 complaints
- engine problems 79 complaints
- fuel system problems 66 complaints
- brake problems 62 complaints
Common questions
Source: NHTSA complaint database, recalls and manufacturer communicationsAre electrical problems common on the 2020 Honda Accord?
They are documented: NHTSA holds 62 owner complaints naming the electrical system on this model year (15% of everything owners filed about it), and 89 manufacturer bulletins, 1 recall, 1 NHTSA investigation are filed under the same heading. Whether it is a problem on one particular car is a diagnosis, not a count, and a count says nothing about how many were sold.
Is there a recall for the electrical system on the 2020 Honda Accord?
Yes — one campaign is filed under this heading: 20V798000. A recall is matched by VIN; check yours at nhtsa.gov/recalls.
When do electrical problems show up on the 2020 Honda Accord?
Owners who gave an odometer reading reported it at a median of 12,000 miles; half of them between 2,000 and 40,000. That is when reports cluster, not the life of a part.
What does NHTSA's "Electrical System" heading cover?
Wiring, modules, batteries, charging, infotainment and driver displays — NHTSA's broadest heading. Owners choose the heading when they file, so it says which area of the vehicle the complaint is about, not which part failed.