U0235moderate severityNetwork
Lost Communication with Cruise Control Front Distance Range Sensor
on 2010 Audi Q7 3.0L TDI V6 · AWD
What this code means
Cannot communicate with the forward distance radar or lidar sensor for adaptive cruise.
Symptoms
- Adaptive cruise not available
- Sensor blocked warning
- Forward collision warning off
- Following distance not adjustable
Common causes
- Distance sensor failure
- CAN bus wiring
- Module power loss
- Sensor blocked or misaligned
- Fuse blown
Diagnostic steps
- Check sensor fuse
- Test power and ground
- Check CAN wiring
- Clean sensor face
- Check sensor alignment
- Inspect front bumper area for damage
Repair notes
Clean sensor and check alignment. Requires calibration after bumper or sensor work.
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Other Network codes on this vehicle
00003
Control Module - Defective
01304
Radio - No Communication
01312
Powertrain Data Bus - Defective
01314
Engine Control Module (ECM) - no communications
01315
Transmission Control Module (TCM) - No Communication
01316
ABS Control Module - No Communication
01317
Instrument Cluster Control Module (J285) - No Communication
01318
Immobilizer Control Module - No Communication
01321
Airbag Control Module - No Communication
U0001
High Speed CAN Communication Bus