2019 Honda Accord: Multiple warning lights on
Common wear/failure (not a recall)
Symptoms
Owners of the 2019 Accord report: multiple warning lights on. CarComplaints.com lists 6 owner complaints, average mileage 25,850 miles.
NHTSA has 125 owner complaints for the 2019 Accord in this area. Examples:
- NHTSA complaint ODI #11770836 (filed 10/13/2026): “Air conditioning failure: the a/c was blowing warm air on the first day of ownership. • cooling system failure: the vehicle subsequently experienced overheating issues and left me stranded. • coolant loss and radiator leak: all star honda identified a leakin…”
- NHTSA complaint ODI #11769565 (filed 10/07/2026): “The contact owns a 2019 honda accord. the contact stated that while driving at highway speeds, the vehicle suddenly lost power and decelerated. the contact stated that several warning lights were illuminated and the vehicle decelerated quickly. the contact fea…”
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: after 10 hours i turned on car and it went away, (1 reports) shut off the car, wait 30 minutes and restart (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