U0418
Invalid Data Received from Parking Brake Control Module
2002-2009 GMC Envoy 4.2L I6 🇩🇪
Moderate SeverityNetwork
Description
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.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0005High Speed CAN Communication Bus (+) High
U0418 on Other Vehicles
Common Questions
What does code U0418 mean on a 2002-2009 GMC Envoy?
U0418 stands for "Invalid Data Received from Parking Brake Control Module". Data from the electronic parking brake module is invalid or out of range.
What are the symptoms of U0418 on a GMC Envoy?
Common symptoms of U0418 include: Parking brake warning light, EPB status unknown, Hill hold not working, Service parking brake message.
What causes U0418 on a 2002-2009 GMC Envoy?
Common causes of U0418 include: EPB module calibration lost, CAN bus noise, Module partial failure, EPB sensor fault.