OBD-II code · Network
U0261 Lost Communication With Seat Control Switch Module B
The vehicle bus reports loss of communication with the seat control switch module B. Buttons for seat adjustment, lumbar and memory recall on this position stop responding.
Is it safe to drive with U0261?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBus wiring open or shorted
- PossibleModule without power or ground
- PossibleModule failed
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Seat Control Switch Module B, Vehicle Bus Wiring
Related codes
- U0260Lost Communication With Seat Control Switch Module A
- U0271Lost Communication With Seat Control Switch Module C
- U0272Lost Communication With Seat Control Switch Module D
- U025ELost Communication With Electronic Brake Booster Control Module A
- U025FLost Communication With Electronic Brake Booster Control Module B
- U0262Lost Communication With Audio Amplifier B
- U0263Lost Communication With Speech Recognition Module
- U0264Lost Communication With Camera Module Rear
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.