2018 Honda Ridgeline Electrical System Problems

I had the backup camera harness recall performed on my 2018 Honda Ridgeline on 09/06/2023 by Honda of Escondido , CA. (See attached invoice of recall work performed.) On 01/27/2026, the backup camera failed to appear on the dash screen when the vehicle was in reverse. I restarted the vehicle and the camera view was still not visible on the screen. I drove home and parked the vehicle in my garage. I turned the ignition off and then on again and put the car in reverse with the brake applied. This time the camera view was displayed on the dash screen. Appears to be an intermittent problem. (See attached two pictures of rear camera view not projected to the dash screen and one picture of my vehicle"s mileage, 50,518 miles.)

The contact owns a 2018 Honda Ridgeline. The contact stated that while driving approximately 50-55 MPH on I-40 Westbound to I-25 and making a turn in a construction zone, the passenger’s side air bag deployed without warning or impact to the vehicle. There were no reported injuries. The air bag control message was displayed after the failure. Two days later, the system indicators produced a failure with the road departure mitigation, collision mitigation, trailer stability control field assist, vehicle stability control, power steering, air bag system, and adaptive cruise control. The brake system warning light was illuminated after the parking brake was released. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified. The failure mileage was approximately 56,850.

KEYLESS ACCESS CONTROL UNIT PART NUMBER: 38320-T6Z-A31 The vehicle headlights came on and dash lights flashed on and off. The alarm would also go off and on. This causes the battery to drain as well. Also I know of several other Honda Ridgeline owners who have had the same part failure

Infotainment system have a black screen

Initially the car would not turn on. We were able to start it but then the engine would not turn off. Shop indicated that the Body Control Module is faulty. Honda of Olathe has the component that malfunctioned as of today 11/1/2024. My understanding is that this system controls door locks, windows, lights, turn signal, horn, etc. Malfunction of some of these systems may put my safety or the safety of others at risk. There was a warning message indicating "Keyless Start System Problem".

1. Vehicle when locked arms the car alarm. When armed the car alarm is randomly and intermittently going off, and dash lights light up exactly like the system is ready to start. Vehicle is available for inspection. 2. has potential to run battery down if alarm is not silenced in a timely manner leaving the vehicle operator stranded. 3. problem on this specific vehicle has not yet been reproduced by the dealer but HONDA issued a service bulletin relating to the problem. Honda Service Bulletin 21-055 4. vehicle not yet inspected by others 5. No early indication failure would occur. First indication of problem occurred week of 6/16/2024.

The contact owns a 2018 Honda Ridgeline. The contact stated that while the vehicle was not being driven, the vehicle remained running, causing the battery to drain. The contact had the vehicle jumpstarted; however, the battery failure recurred. The contact replaced the battery. Upon replacing the battery, several unknown warning lights were illuminated, and the alarm system sounded off throughout the night. The contact called an independent mechanic and was referred to the dealer to have the vehicle diagnosed. The contact took the vehicle to the dealer and the vehicle was diagnosed with a faulty keyless access unit. The dealer recommended that the keyless access unit be replaced. The manufacturer was made aware of the failure. The vehicle was not repaired. The failure mileage was approximately 44,000.

Rear view camera not working, exposed wires from lift gate operation. I can now see the exposed wires and some have been cut due to operation of lift gate over time.

The backup camera has stopped working, at least the imaging part. This makes backing up riskier, especially in parking lots, driveways or where pedestrians may be behind me. I have not been to the dealership yet as it failed today but this seems a common complaint for Ridgeline owners online. I have not had others inspect this problem yet. There was no warning, yesterday worked fine, today it doesn't work. I took a picture of the broken wiring harness at the corner of the tailgate, looks same as what I found online. Truck is a 2018 model with between 70 and 80K miles.

The backup camera intermittently works. When put in reverse, sometimes I’ll have a black screen with grid lines, other times just a blank screen. Yes, it is available for inspection. I cannot see persons and property when backing up. I am afraid, in reverse, of running over persons shorter than the vehicle that only the backup camera would pick up. This has not been reproduced or confirmed by a dealer or service station. The vehicle has not been inspected by another entity. There has been no warning lights or messages from the vehicle about the issue. I purchased the vehicle in October 2022 and the issue started two weeks after purchase.

Rear view camera failed - wiring harness drivers side in tailgate is damaged from normal use. Wires are frayed/cut.

Wire harness failed due to pinching in tailgate. This resulted in the rear view camera no longer functioning. Due to the camera failure, I can no longer see behind the vehicle when reversing. This has been inspected by the dealership. Although this is a common issue, they declined to repair it. Cost to repair would be $465 + labor.

What component or system failed or malfunctioned, and is it available for inspection upon request? Rear camera wire harness has failed. When vehicle is in reverse the screen displays a black image. Vehicle is available for inspection upon request. Please see attached image. These wires are visible when the tailgate is open. How was your safety or the safety of others put at risk? The rear camera adds tremendous safety information as I reverse the vehicle. In every situation this information is valuable; more so in a neighborhoods like the one I live in. Has the problem been reproduced or confirmed by a dealer or independent service center? No. I will mention it during my next routine service. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? No. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? No, first signs were the camera would fail sporadically , now almost permanently. Sometimes after opening/closing the tailgate the camera will work until the tailgate is opened again.

My 2018 Honda Ridgeline pickup has a backup camera which became nonfunctional in June 2022. Upon inspection the wiring harness at the back gate pivot point has broken as the gate has been opened over time, disabling the backup camera - the display is now black when the vehicle is in reverse. This has made it difficult to accurately back the vehicle up, and puts pedestrians, pets and other objects at risk as it is impossible to see directly behind the truck when backing. The dealer has confirmed this wiring harness failure, and has quoted me $2,000 to repair the wiring harness. The vehicle is scheduled for repair, but I would not expect this failure to occur this early in the vehicle's duty cycle.

Broken wire in backup camera bundle due to improper design where the bundle exits the tailgate and enters the left rear fender area. Wire had been broken and poorly repaired prior to my purchase. The wire bundle needs a redesign to prevent flexure at the point of failure. Failure caused loss of backup camera . There have been many reports of failures at this specific point in the wire bundle Needs redesign and recall. Thank you.

The back up camera no longer functions due to the wiring harness cracking and breaking at the junction where the wires run from the tailgate into the left rear tail light area.

Back up camera stopped working.

Rear backup camera does not work. This is a known manufacturer defect in the wiring from opening the tailgate the wiring harness breaks there should be a safety recall on this They want $653.00 to replace the harness with the same harness which will just break again

Several times now, the alarm of the vehicle has gone off in the middle of the night for no reason. The key access remotes does not respond to the commands properly after replacing them with new batteries. After several different combinations to set the alarm off, the vehicle is continuing to make electrical circuit noises, flashing the dashboard with potential risk of fire and damages to computer, plus creating the possibility of a heart attack to those nearby. The only solution to keep the alarm of is leaving one door unlocked. The vehicle reflected the Keyless start system problem light for many hours. However, the dealership "couldnt" replicate the issue and gave back the vehicle. The vehicle continues to malfunction & could cause an accident, fire while driving or theft, given known issues that Honda Corp doesn't want to recognize as manufactures' issues. There is a Technical Bulletin addressing 2016 & 2017 Honda Ridgelines (Service Bulletin 20-117), noting an extended warranty coverage & the requirement to replace different aspects. However, for 2018 to 2019 Honda Ridgelines, despite reporting the same issues as the 2016-2017 Ridegelines, the Technical Bulletin notes to check the alarm registry & complete replacement at the customer expense (Service Bulletin 21-055);no recalls or extended warraty. An investigation should be completed to ensure customers' safety

The backup camera doesn't always work correctly. Looks like it's due to an issue in the wiring. The wiring harness that runs near the tail gate left hinge is damaged and bare wire is showing.