OBD-II code · Body
B0342 HVAC Heated Seat Passenger Circuit
A fault has been detected in the passenger heated seat circuit.
Is it safe to drive with B0342?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyHeating element broken
- PossibleLoose seat connector
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Passenger Seat Heater, Heated Seat Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.