2020 Honda Ridgeline electrical problems

Filed Nov 3, 2026 · Electrical, Engine · 116,000 miles · PA

The contact owns a 2020 Honda Ridgeline. The contact stated that while stopped at a red traffic light, the vehicle suddenly shut off and failed to restart. Other motorists began honking their horns as traffic approached. A nearby pedestrian was able to assist the contact in restarting the vehicle. The contact stated that while attempting to make a left turn, the vehicle shut off and failed to restart. The contact believed that the failure was associated with the STOP/START system. The vehicle became disabled in traffic. The local Honda dealer was contacted and advised that there was a diagnostic test was needed and scheduled an appointment. The approximate failure mileage was 116,000.

Filed Sep 16, 2026 · Electrical, Engine · MA

Engine idle stop function failed to restart automatically while i was stopped at a stop light. I was at a complete stop at a four way intersection with vehicles behind me and my vehicle did not restart after light turned green and i released brake and stepped on accelerator. error message flashed stating to press brake and push start button. Vehicles behine me honked for me to proceed but i could not move. i turned on my hazards and attempted to restart engine. i stepped on brake and pushed start button. Vehicle did not start, i repeated stepping on brake and start button again and did not start. I did it a third time and vehcile started. A police car behind me pulled up and asked if i was ok just as i started my vehicle and pulled away. This is the second time this has happended but i did not report it and thought it was me not stepping on the brake hard enough. the first time was about six months ago in a similiar situation at a four way traffic light.

Filed Aug 4, 2026 · Electrical, Engine · CA

The vehicle's Auto-Idle Stop (AIS) feature is defective and creates a severe safety hazard. While stopped at a busy road intersection, the feature engaged and shut the engine off normally. However, when releasing the brake pedal to proceed, the engine glitched and completely failed to restart, leaving the vehicle completely stalled, unpowered, and stranded in live traffic. The vehicle became a sitting duck in the intersection. This is a recurring issue that requires a complete ignition power cycle to recover, posing an immediate risk of a rear-end or side-impact collision. It happens most often under heavy load. Hot day with AC on, or Cold day with Heater on and seat warmers. Dealer ignored or failed to re-create at first because it was intermittent. I've been through SOFTWARE UPDATE, STARTER, RELAY REPLACEMENT AND VALVE ADJUSTMENTS (twice) and a new BATTERY over several years and it still stalls. It's dangerous and terrifying to be immobilized in traffic when it won't start.

Filed Jul 18, 2026 · Driver assistance, Electrical · AZ

2020 Honda Ridgeline-Internal failure, multi purpose camera. Multiple lights on dashboard and codes associated with driving support system, Collision Mitigation, Braking System, Lane keeping assist system, Road departure mitigation, Transmission System error. All these are showing up because of the front camera going out due to overheating. Dealership quoted $1197.20 for replacement. Multiple safety violations making vehicle unsafe to drive. Extended warranty will not cover.

Filed Jun 19, 2026 · Electrical, Lights · NJ

BCM module failure. Keyless entry error. Vehicle dashboard lit up with many errors. Car alarm went on and off. Car will not start . Disconnect battery toe reset. Drove home and the car doesn’t want to stop running or idling. Disconnect battery till it turns off.

Filed Apr 11, 2026 · Electrical, Engine · TX

While stopped in heavy traffic at a traffic signal, the engine stopped and would not restart. This was due to the AIS system. The car became disabled in heavy traffic. I was only a few feet from the entrance to a gas station, however due to the interlock system that locks the transmission in Park, the truck could not be pushed out of traffic. Honda, unlike other manufacturers the use the same transmission, does NOT supply an emergency over ride to get the transmission out of park ( hazard). After a few minutes of sitting in heavy traffic and nearly. wing hit by fast moving cars, the engine did restart. This is not the first time this has happened. The dealership is over 100 miles drive to have to checked (r/t).

Filed Oct 6, 2025 · Electrical, Engine · TX

While stopped at a traffic light on a state highway the idle stop did shut off the engine. When the light turned green, I released the brake, but the engine did not crank or start. After placing transmission into Park, I attempted to start normally. There was no response to the start button being pushed, other than all the typical pre-start warning lights check on the panel. Tried to start with transmission selector in Neutral..same result. All doors and hood was closed, driver in seat, belt fastened, and key nearby. I attempted to get out and push the truck to the side of road with assistance. Unable to do that because of the transmission park interconnect. After about 3 minutes trying multiple times to start the engine, it finally did start normally. The vehicle battery is pretty new and checking the voltage at home, it is fine. This is a dangerous situation. This “ Idle stop” system is senseless and a safety hazard. I have not received any notice from Honda about any recall on this system.

Filed Sep 7, 2025 · Electrical, Engine · VA

My 2020 Honda Ridgeline has an Auto Idle/Start system. The truck engine turns off when it stops, then automatically turns on when brake is released or gas pedal pressed. There was a Honda notice issued that the system may not automatically restart. A fix (software update) from Honda was implemented on my truck on 03/29/23. This "fix" did not work. On 09/05/25 at 1:25 pm I pulled up to an intersection. The Auto Idle system automatically turned off the engine as intended. About 2 minutes later, when the brake was released and gas pedal pressed, the engine did not restart. The truck stalled. Various efforts (~ 1 minute of panic) ensued to start the engine. Eventually, put the truck in park, waited, then started the engine. This situation occurred during high traffic at a busy intersection. It caused other drivers to take risks pulling out in front of other cars to get around my stalled vehicle. It was a very dangerous situation. A class action lawsuit was filed against Honda about this. Honda claims their software update fixed the problem. My scary experience shows that it did not fix the issue. Their auto idle/start system is simply unsafe. Also, it is not possible to permanently disable it.

Filed Jun 18, 2025 · Electrical · OR

In then last 6 months my Honda Ridgeline fell to restart engine at the stoplight 7 times

Filed Jun 18, 2025 · Electrical · VT

My rear camera failed again. The vehicle was recalled for rear camera failures and a supposed better cable was installed. In less than a year it failed again. So I once again are without a rear camera even though it was recalled and repaired. The repair apparently didn't work.