OBD-II code · Network
U0277 Lost Communication With Seat Control Module K
The vehicle bus reports loss of communication with seat control module K. Power-seat positions, memory presets and heating/ventilation requests routed through this node are no longer answered.
Is it safe to drive with U0277?
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
- 0.5–4 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Seat Control Module K, Vehicle Bus Wiring
Related codes
- U0208Lost Communication With Seat Control Module A
- U0209Lost Communication With Seat Control Module B
- U0210Lost Communication With Seat Control Module C
- U0211Lost Communication With Seat Control Module D
- U0246Lost Communication With Seat Control Module E
- U0247Lost Communication With Seat Control Module F
- U024BLost Communication With Seat Control Module G
- U024CLost Communication With Seat Control Module H
- U024DLost Communication With Seat Control Module J
- U0278Lost Communication With Seat Control Module L
- U0274Lost Communication With Lighting Driver Control Module B
- U0275Lost Communication With Lighting Driver Control Module C
- U0276Lost Communication With Lighting Driver Control Module D
- U0279Lost Communication With Haptic Control Module
- U027ALost Communication With Battery Charger Control Module C
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.