2021 Honda Ridgeline electrical system problems
15 owner complaints filed with NHTSA name the electrical system on the 2021 Honda Ridgeline — 15% of all complaints for this model year.
What owners report
“The auto idle function- the car engine doesn't restart. This has happened in a busy intersection and won't restart until you have made several attempts to restart. I have brought this to the attention of Honda certified techs.”
filed Sep 9, 2026
“My 2021 Honda Ridgeline Sport experienced failure of the forward-facing Honda Sensing camera system. This camera controls safety features including Collision Mitigation Braking, Lane Keeping Assist, and Adaptive Cruise Control. The failure disables safety assistance features. Honda acknowledged the…”
filed Jul 14, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Service Bulletin - The wireless charger starts charging the phone and then stops charging, even when the phone remains in the correct position on the charger due to software specifications that can cause some phones to…
A24-061 · Service Bulletin/Repair Instructions · issued Nov 7, 2025Service Bulletin - The wireless charger starts charging the phone and then stops charging, even when the phone remains in the correct position on the charger.
A24-061 · Service Bulletin/Repair Instructions · issued Oct 8, 2024Service Bulletin - The wireless charger starts charging the phone and then stops charging, even when the phone remains in the correct position on the charger.
A24-061 · Service Bulletin/Repair Instructions · issued Sep 21, 2024
Electrical System problems in other Ridgeline years
| Year | Reports | Share |
|---|---|---|
| 2025 Ridgeline | 24 | 29% |
| 2024 Ridgeline | 20 | 34% |
| 2023 Ridgeline | 17 | 13% |
| 2022 Ridgeline | 19 | 16% |
| 2020 Ridgeline | 49 | 29% |
| 2019 Ridgeline | 35 | 15% |
| 2018 Ridgeline | 49 | 31% |
| 2017 Ridgeline | 92 | 27% |
| 2014 Ridgeline | 4 | 12% |
| 2013 Ridgeline | 1 | 2% |
| 2012 Ridgeline | 1 | 4% |
| 2011 Ridgeline | 1 | 3% |
Other reported problem areas on the 2021 Honda Ridgeline
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.