Network
generic / SAE
U0235
Lost Communication with Cruise Control Front Distance Range Sensor
Adaptive cruise control has lost the front radar / distance sensor. ACC is deactivated, fixed-speed cruise may stay available, and forward collision warning is disabled.
SystemNetwork
Typegeneric / SAE
GroupU0
Range / number2 / 35
Possible causes
- Radar obstructed or misaligned high
- Radar unpowered medium
- Gateway module routing CAN messages incorrectly low
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: hard
- DIY: shop recommended
- Estimated cost: 80–1500 €
- Estimated time: 0.5–3 h
- Component: acc radar
- Component: can bus wiring
- MIL / check engine light
Sources
References
sae:J2012