Software Incompatibility with Park Brake Control Module
A control module has detected that its software version does not match the parking brake module. Most often after replacing the EPB unit with one from a different model year or coding variant.
Affected components
- Park brake module
- Control module
Common causes
- High likelihood: EPB software/calibration mismatch
- Medium likelihood: Used EPB module fitted from different vehicle
- Low likelihood: Gateway module routing CAN messages incorrectly
Possible 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
Diagnostic notes
- The malfunction indicator lamp may illuminate
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.