2019 Honda Pilot: battery drain or dead battery

Filed Feb 15, 2026 · Acceleration, Driver assistance · FL

The forward facing camera on the windshield is failing and warning lights on the dashboard keep going off making the ADAS system inoperative. This is also draining the battery. I am told that only Honda has the capability to troubleshoot and repair / replace this camera.

Filed Apr 21, 2024 · Electrical, Engine · LA

Auto start stalled at highway stop light , then parked and shut off, went to leave would not start , emergency Alarm going off will not start , Emission light , Lane depart light , transmission light , battery dead , I’ve been dealing with problems with the Honda pilot since I bought brand new 2019 Honda pilot elite , auto pilot stop and go wouldn’t kick back on and that was 40,000 take in charge me 10,000

Filed Jan 8, 2024 · Engine · NV

The auto start stop feature in my car appears very weak. I believe the dealer replaced the battery once early on and then I have had to replace the battery at my own expense again. Now, after a new battery, it is still appearing weak. I believe this feature is draining the batteries and causing a safety issue as my car seems to be delayed or struggles when trying to start back up. The auto start stop also was not working properly when I purchased the vehicle and was “fixed” right after I purchased the car.

Filed Dec 30, 2023 · Engine · PR

In October 23, 2023, The Honda Pilot Touring 2019 activated the alarm system alone. When I attempted to stop the alarm the unit did not stop and start blinking. It displayed the codes keyless start system problems and auto engine idle system problem. The unit drained the battery. It was replaced by a new one and it showed the problem again in October 24, 2023. The unit turned ON alone the alarm, control panel motor fans and I was unable to turned Off the unit. The only way to turned Off the unit was disconnecting from batery. On October 24, 2023, the car was sent to the Honda dealer and the diagnostic was problem with the control module part 38320TG7A91. As of today I still waiting for repair due to part backorder. Neither the part is available in Honda part supplier in US. Why? It has been a part recall from supplier? Did Honda knows already of this part problem? I want to issue a safety complaint because the Honda Pilot turned On alone due to these problems (codes) described above while I was out of home. This must be investigated since the unit did not turned OFf unless battery is disconnected. In addition I have been waiting since October for repair while the unit is in a parking lot. I trusted in Honda when I adquired this car. Also, all maintenace have been provided by Honda dealer in Ponce, Puerto Rico. I never expected this type of problem in this car. A Case was opened and no response has been received yet. There has been many incidents reported on internet with the same problem in Honda Pilot. Is there is any additional information, please contact me.

Filed Apr 14, 2023 · Lights, Seats · TX

The sensor system for my car are malfunctioning when the car is off. This causes the fuse system to malfunction and power the vehicle without keys being located near the vehicle. The car tries to start as well as the lights flash, dash turns on, and also the horn blares. The fuse system located under the steering wheel sounds like it will spark or blow fuses. The dealer is unable to fix the problem until May because the part is backordered due to many others having the same issue. This has been occurring for months. This issue required the removal of the horn fuse which is a public and personal safety hazard to drive without a functioning horn. The technician with Honda also mentioned I should remove the battery cable every night to prevent the car from draining the battery. The technician himself is also experiencing the same problem with his car.

Filed Nov 16, 2022 · Electrical, Engine · MO

In AUg 2021 when the auto stop engaged the car would fail to turn on. Errors would come on on the dash and while car would die at stoplight. Took to dealer and they could not replicate so nothing was done. This happened randomly and we would need to put in park, wait a while and turn back on. Then in Oct 2021 the battery died and they replaced under warranty. There was no issues until Nov. 2022. The same started happening. Again dealer could not replicate and nothing was done. They did note the 1 year old advanced battery was low and charge and have charged it.

Filed Jul 12, 2022 · Electrical, Engine · TN

In heavy traffic at the airport, when I was slowing down and stopping the Automatic Start/Stop functionality caused the vehicle to stall. The vehicle then went into neutral on it's own. I put the vehicle in park and it would not start (As if the vehicle had a dead battery or alternator issue). I charged the battery and it still would not start. I have read several other forums on this MY and other Honda Pilot's where the vehicle will stall at intersections/stopping points and refuse to start despite several efforts. I see this as a serious safety issue if in heavy traffic on a free way or working to clear an intersection. I believe this issue needs addressed. Honda also states that it can not turn off the Auto Start/Stop feature.

Filed Sep 14, 2021 · Electrical · OH

We have had ongoing issues with the satellite cutting out and losing signal (can’t use GPS and the clock just says 8:00 no matter what time) since about 20,000 miles. The vehicle now has about 32,000 miles on it. The larger issue happened a few weeks back. We were driving the car, came up to a 4 way stop and the car turned off. Never came back on. Couldn’t put it in neutral and get the car pushed off the road because the shifter is electrical. Honda roadside and Honda service department both told us there is no override so we had to sit in moving lanes until a tow truck could come. Had the car towed and the service department said it was the battery. They recharged the battery and sent us home. Said the “cells” tested fine so they could just recharge it. Less than 3 weeks later the car was parked at work and started fine. Went to the store and it was dead after a 10 minute errand. Got it jumped and drove to the service dept. It died again in the service dept receiving lane. They are again saying it is a battery issue and planning to replace the battery this time but said it could take 3-5 more times of having the issue before they know what is draining the battery. The largest safety issue is that the vehicle just turns off without notice while driving and there is no way to get it moved to a safe location because it can’t be put into neutral without power

Filed Mar 19, 2021 · Electrical · 5,000 miles · FL

Tl* the contact owns a 2019 honda pilot. The contact stated while driving 40 MPH, the vehicle stability assist warning light was illuminated. The vehicle was taken to the local dealer ocean honda (8442 us-19, port richey, fl 34668, (727) 312-0759) and the dealer was made aware of the failure. The contact continued to experience the failure. The contact stated shortly after, the dvd player failed to turn off and drained the battery. The vehicle was taken back to the dealer and the battery was replaced. The contact received notification of the federal safety agency campaign number: 20v439000 (back over prevention, electrical system) and 20v440000 (electrical system, back over prevention). The contact stated that the dealer repaired the vehicle. The contact stated that the speedometer was inoperable. The contact performed a hard reset and reconnected the battery and the speedometer operated as designed. The manufacturer had not been informed of the failure. The failure mileage was approximately 5,000.

Filed Jan 27, 2020 · Acceleration, Driver assistance · 13,000 miles · TX

The vehicle has frequently had an issue with the infotainment system glitching which leads to the lkas (lane keep assist), aac (adaptive cruise control), and lane departure system to fail while the vehicle is in motion. When turning the car off after these issues occur, the infotainment system will stay on, draining the battery. The vehicle has been taken to a honda dealership. The dealership stated that an update would fix this issue. Once we informed them and they confirmed that the system was already updated, they told is there was nothing we could do. The only way we can stop the infotainment system from staying on is by removing the fuse for the infotainment system. We have contacted honda and they have refused to do anything about this.