2022 Honda Odyssey: Engine wire harness stays broke and battery failed
Common wear/failure (not a recall)
Symptoms
Owners of the 2022 Odyssey report: engine wire harness stays broke and battery failed. CarComplaints.com lists 1 owner complaints, average mileage 5,650 miles.
NHTSA has 37 owner complaints for the 2022 Odyssey in this area. Examples:
- NHTSA complaint ODI #11770921 (filed 10/13/2026): “The contact owns a 2022 honda odyssey. the contact stated that while coming to a stop, the vehicle unexpectedly stalled without warning, requiring a manual restart. on multiple occasions, the engine failed to crank initially, requiring several attempts before …”
- NHTSA complaint ODI #11769529 (filed 10/07/2026): “After a heavy rain, the rear tailgate stopped working- apparently the roof seals have cracked and water leaked into the rear part of the car, and destroyed the tailgate latch and control unit. when i was driving the car for service, the rear sensor kept beepi…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: replace engine wire harness stay and battery (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Moderate
Finding and splicing chewed wiring is doable with a multimeter and patience but can be time-consuming; harness replacement is pro work. (Our assessment.)
Cost
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
- CarComplaints.com: Engine wire harness stays broke and battery failed (2022 Odyssey)
- NHTSA complaints API, 2022 Odyssey
Page last updated .