U0232: Lost Communication with Left Side Obstacle Detection Control Module
Standardized SAE J2012 code · U02xx — Lost communication with modules
What does U0232 mean?
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.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
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
Common causes
- High Blind spot module unpowered
- Medium Bumper damage broke wiring
- Low Gateway module routing CAN messages incorrectly
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of U0232 on the same make and model first.
U0232 in the community
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