2021 Honda Odyssey driver assistance problems

Filed Sep 24, 2026 · Driver assistance · NC

After the MOST/FAKRA recall (the federal safety agency 23V‑431) was completed, the center display showed a MOST bus/network loss message, then the infotainment system went dead and will not power on. The dealer would like 1800$ to repair this already "repaired" safety system. The rearview screen is unavailable when the screen is blank which is the same FMVSS 111 rear visibility failure the recall was issued to correct. TSB 20-049 describes the same network loss/ display condition. The recall repair did not permanently fix the MOST ring.

Filed Aug 11, 2026 · Driver assistance · 49,231 miles · CA

The contact owns a 2021 Honda Odyssey. The contact stated that while reversing, the rear-view camera display flickered on and off. The contact stated that while using the GPS, the display went blank. The vehicle was taken to the dealer, and the dealer attempted to reset the rear-view camera display; however, the failure reoccurred. The dealer was made aware of the failure, and a diagnostic test was scheduled. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The contact contacted the federal safety agency Campaign Number: 23V431000 (Back Over Prevention); however, the VIN was not associated with the recall. The manufacturer was not made aware of the failure. The failure mileage was approximately 49,231.

Filed Jul 15, 2026 · Brakes, Driver assistance · CA

I have a 2021 HONDA Odyssey ,40K miles, some lights on about few months ago, then i went to dealer on June 29,2026. I paid for a dealer diagnoses, they told me is the VSA modulator faulty. I don't believe that is over 36K miles warranty , so i search it on Google, shows Honda had some recall on different model and year car with the VSA modulator, so i think we must check it ,if on odyssey need recall it too.

Filed Mar 15, 2026 · Driver assistance · VA

The forward collision prevention system engages the brakes when nothing/no one is in front of us. It will also engage the lane departure warning, which also engages the brakes, when construction zones remove the actual lane lines and temporary lines are put down. The car gets confused and brakes the car to a stop in the middle of a highway.

Filed Sep 26, 2025 · Driver assistance, Electrical · NC

I hear a popping/crackling noise from the speakers then I get complete network loss for my backup camera, my dvd player, my clock, maps etc.System does a report after 5+ minutes. Message displayed before everything goes black is Network Connection Lost and MOST Net Off. This issue is ongoing and seems to happen now every day sometimes multiple times in a driving session. It just started about 2 weeks ago. There is an active recall for this exact issue for 2021 Honda Odysseys but my VIN does not seem to be included.

Filed Sep 24, 2025 · Driver assistance · TN

My van is braking when there are no cars or dangers in front of it. Sometimes there's a metal plate on the ground or speed bump when it brakes. Other times there's nothing in front. The car slams on the brakes and I cannot override it with the gas pedal. This puts my kids and I in danger of being rear-ended. This most commonly happens around 7:30am or 4pm when I'm taking kids to school or dropping off. I'm often in the carpool like or headed to the school when the car slams on the brakes. It's very frightening. The dealer cannot find an issue and cannot replicate the problem.

Filed Aug 25, 2025 · Driver assistance, Electrical · FL

Vehicle applied brakes for no reason. Lost ability to see reverse camera during backing up. Half of the instrument cluster went dim to become barely visible. Radio screen freezes randomly. Engine cuts out or shudders intermittently.

Filed Jun 30, 2025 · Driver assistance, Electrical · TX

2021 Odyssey EXL the Electric parking brake 'issue' warning comes on while driving and collision mitigation warning / lane assist switches off and flashes in console; when this happens the car continues to run but the dashboard warning lights comes up for Parking brake / Collision Warning and or Lane assist. It gets cleared after I turn on/off the car couple of times and drive for approximately 5 miles. Those features had to be turned on manually, once the car is in parked mode, again. The issue started in the car at around 48K miles. Never had any issue with it before that.

Filed Apr 3, 2025 · Driver assistance, Electrical · IA

It started that all the sensor in our car started to go off. We were told we had a bad battery, even thought we had replaced it new just last year. Once we had the battery checked and alternator. The sensors started to act up again, out tail gate started to malfunction. Wouldn’t automatically close. A few weeks ago driving down the road the tail gate opened and the anti theft system started going off while the car was running and still going. Come to find out there is a water leak in the rear that has gotten into the rear fuse box and has cause substantial corrosion. The latch to the tail gate is broken. Honda is telling us our extended warranty doesn’t cover any of this, even though it is common knowledge, that the water leak is a known problem from 2018-2021. We just found out a few days ago.

Filed Mar 16, 2025 · Driver assistance, Electrical · KY

All of my assist lights just came.on one after another saying there was a malfunction with the emmision light continues to go.on go.off even after I paid 580 to have the car serviced for the assist lights. Now the lift gate stopped working three weeks ago yesterday with all the rain that poured now the lift gate is open and will.not latch.