OBD-II code · Network
U0279 Lost Communication With Haptic Control Module
The vehicle bus reports loss of communication with the haptic control module. Vibration feedback in steering wheel, seat or pedals (lane-departure, blind-spot, parking) stops being delivered.
Is it safe to drive with U0279?
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
- Haptic Control Module, Vehicle Bus Wiring
Related codes
- U0276Lost Communication With Lighting Driver Control Module D
- U0277Lost Communication With Seat Control Module K
- U0278Lost Communication With Seat Control Module L
- U027ALost Communication With Battery Charger Control Module C
- U027BLost Communication With Battery Charger Control Module D
- U027CLost Communication With Off-Board Charger Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.