OBD-II code · Body
B0337 Passenger Seat Heater Circuit
The body control module has detected a fault in the passenger seat heater circuit. Same fault profile as B0335 but for the passenger seat.
Is it safe to drive with B0337?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyHeater element broken
- PossibleSeat connector corroded
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Seat Heater Element, Seat Wiring Harness
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.