OBD-II code · Body
B0335 Driver Seat Heater Circuit
The body control module has detected a fault in the driver seat heater circuit. The heating element or wiring is open or shorted — the seat does not heat.
Is it safe to drive with B0335?
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.