OBD-II code · Network
U0229 Lost Communication With Heated Steering Wheel Module
ECU lost communication with the heated steering wheel module. A communication loss with this module breaks any function relying on its data — diagnostic tools may show 'no response' and dependent modules can fall into limp mode.
Is it safe to drive with U0229?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyModule unpowered
- Less likelyGateway module routing CAN messages incorrectly
- Less likelyCAN terminating resistor (120 Ω) drifted out of spec
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
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Heated Steering Module, Can Bus
Related codes
- U0226Lost Communication With Door Window Motor E
- U0227Lost Communication With Door Window Motor F
- U0228Lost Communication With Door Window Motor G
- U022ELost Communication With Object Detection Maintenance Control Module A
- U022FLost Communication With Object Detection Maintenance Control Module B
- U0230Lost Communication With Rear Gate Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.