OBD-II code · Network
U0232 Lost Communication with Left Side Obstacle Detection Control Module
The driver assistance system has lost the left-side obstacle detection / blind spot monitor controller. The blind-spot warning light and lane-change warning are deactivated.
Is it safe to drive with U0232?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBlind spot module unpowered
- PossibleBumper damage broke wiring
- Less likelyGateway module routing CAN messages incorrectly
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
- 0.5–2.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Blind Spot Module Left, Can Bus Wiring
Related codes
- U022FLost Communication With Object Detection Maintenance Control Module B
- U0230Lost Communication With Rear Gate Module
- U0231Lost Communication with Rain Sensor Module
- U0233Lost Communication with Right Side Obstacle Detection Control Module
- U0234Lost Communication With Convenience Recall Module
- U0235Lost Communication with Cruise Control Front Distance Range Sensor
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.