Network
generic / SAE
U0278
Lost Communication With Seat Control Module L
The vehicle bus reports loss of communication with seat control module L. Power-seat positions, memory presets and heating/ventilation requests routed through this node are no longer answered.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number2 / 78
Possible causes
- Bus wiring open or shorted high
- Module without power or ground medium
- Module failed medium
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
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 80–1500 €
- Estimated time: 0.5–4 h
- Component: seat control module l
- Component: vehicle bus wiring
- drive cycle required
Sources
References
sae:J2012