U0418moderate severityNetwork
Invalid Data Received from Parking Brake Control Module
on 2010 Audi Q7 3.0L TDI V6 · AWD
What this code means
Data from the electronic parking brake module is invalid or out of range.
Symptoms
- Parking brake warning light
- EPB status unknown
- Hill hold not working
- Service parking brake message
Common causes
- EPB module calibration lost
- CAN bus noise
- Module partial failure
- EPB sensor fault
Diagnostic steps
- Check EPB module for codes
- Test EPB actuator position sensors
- Check CAN bus signal quality
- Recalibrate EPB module
Repair notes
Recalibrate electronic parking brake. Check actuator position sensors.
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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