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When stopped in heavy traffic, the auto idle engaged.  I got a "System problem detected. Shift to Park." warning.  When I shifted to park the vehicle experienced a total electrical blackout, including a loss of hazard lights. It took several minutes for the modules to reboot.  This happened 3 times in 20 minutes as I attempted to find a safe place to pull over.  My life was put in danger because it was dark, raining heavily, and my hazard lights were inoperative.  It happened a few hours after I bought the car at the dealership.  I am waiting for a tow truck now.  It is available for inspection.

HONDA RIDGELINE 2025 ELECTRICAL SYSTEM

No restart after auto start/stop engaged.  The engine failed to restart on its own from a complete stop at a traffic light and road intersection with the auto start/stop function engaged.  This occurred at a very busy intersection on a road under construction.  I had passengers in the truck with outside temperatures above 100 degrees.  Traffic was extremely heavy and other vehicles were honking heavily.  The vehicle would not re-start even after many attempts to push the ignition re-start button.  At first I thought it was a battery issue but when pushing the ignition button there was absolutely no response by the starter.  I was in a panic so I did not take a photo of the dash but everything seemed to go dead.  I opened the door, got out and popped the hood.  I checked the battery terminals.  They seemed tight.  I got back in the truck and pushed the starter button and the engine started like nothing was wrong and worked fine the rest of the day.  This is the only the next morning so I have not driven the vehicle today or contacted the dealer service department yet.  I intend to do so.  I believe my truck experienced an Auto Idle Stop Restart Failure.  I have read that opening and closing the door resets the vehicle's electrical system, allowing the push-button start to engage again.  It seems this might be what happened when I got out to check the battery and then re-entered the vehicle.  This situation left me and my passengers in a very dangerous situation.  There were no warning lamps, messages or symptoms of the problem prior to the failure.  I have read that this exact situation is a reoccurring issue with my model and year Honda Ridgeline and that Honda has not been able to effectively resolve this problem.  This is a very serious problem and now I am almost afraid to drive my Honda truck which is almost new.  Please help to correct this problem quickly as it creates very dangerous situations.  I will be contacting the dealer service department today.

HONDA RIDGELINE 2025 ENGINE

After braking to a stop, the default setting of the start stop system randomly fails at intersections and requires a complete restart of the vehicle. Has happened multiple times over the past two months. Dealer has checked all systems and can find no problems with battery or the system itself. Very hazardous when at a ramp end or a turn lane. The dealer recommended that the driver switch off the start stop system manually every time after starting.

This is a followup to a complaint that I submitted on July 10, 2026 at 10:19:37 AM, tracking #11749522.  The incident that I am reporting today occurred on July 7, 2026 when my son was driving my 2025 Ridgeline alone.  I was not aware of this incident until I happened to mention to him what I had experienced with the auto stop re-start failure (no restart after auto start/stop engages).  He then reported to me that on July 7th while he was driving the Ridgeline he experienced a similar incident.  When he pulled up to a busy intersection the vehicle failed to re-start after shutting off at the intersection.  He said he did not know what was happening and panicked a bit.  Until I brought up my incident to him he said that he thought he had done something wrong when operating the Ridgeline because he does not drive the vehicle very often.  He said that he placed the vehicle in park and opened the door, similar to what I had done.  He said that after he did this the vehicle did re-start which is exactly what I experienced.  This is two failures with same vehicle within the same week.  I called the Honda Service Department on Friday, July 10, 2026 and have scheduled an appointment for Tuesday, July 14, 2026.  When I mentioned NHTSA ODI had launched  new Investigation on March 26, 2026 and mentioned Service Bulletins 23-008 and 23-099 to the Service Advisor he told me that they did not apply to my model year including 10-year extended warranty with unlimited mileage also did not apply.  He said that my vehicle was still under factory warranty and to bring it in so that they can complete an analysis and order parts if needed.  The Service Advisor said "full disclosure, Honda has not developed or provided the updated part needed to fix the problem."  Those were his words.  I have read that SB 23-008 and 23-099 do not fix this problem and if not completed correctly can create additional problems making me very concerned with what the dealer will propose to fix this problem.

The auto stop start shuts off and does not always restart. While in traffic at a light multiple times it has shut off and not restarted .I have to turn off the vehicle and put it in park and restart the vehicle!

2025 Honda Ridgeline AWD — vehicle data sourced from FuelEconomy.gov.

La Honda Ridgeline AWD (2025) è un robusto pick-up progettato per affrontare le sfide con il suo potente motore V6 da 3.5 litri e la trazione integrale. Con un'autonomia combinata di 21 MPG e un serbatoio da 19.5 galloni, offre un equilibrio tra prestazioni e praticità per le tue avventure.

	2017	2018	2019	2020	2021	2022	2025
Prezzo	—	—	—	—	—	—	—
Cilindrata	3.5L	3.5L	3.5L	3.5L	3.5L	3.5L	3.5 L
Tipo carburante	Normale	Normale	Normale	Normale	Normale	Normale	Regular Gasoline
Trasmissione	Automatico 6 marce	Automatico 6 marce	Automatico 6 marce	Automatico (S9)	Automatico (S9)	Automatico (S9)	10 speed automatic
Tipo di carrozzeria	Pickup standard 4WD	Pickup standard 4WD	Pickup standard 4WD	Pickup standard 4WD	Pickup standard 4WD	Pickup standard 4WD	Pickup Truck

Honda Ridgeline AWD (2025) Specifiche