OBD-II code · Body
B0312 Driver Seat Forward/Back Switch Circuit
The seat module has detected a fault in the fore/aft adjustment switch on the driver seat. Manual adjustment of the seat position may be limited or not work at all.
Is it safe to drive with B0312?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySeat adjustment switch failed
- PossibleWiring or connector fault
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
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Seat Adjust Switch, Seat Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.