Invalid Data Received from Communication Module
A control module receives data from the telematics/communication module that is implausible, has the wrong format or fails checksum. Connected services and emergency-call functions may stop working.
Affected components
- Communication module
- Can bus wiring
Common causes
- High likelihood: Communication module firmware out of date
- Medium likelihood: Communication module internal fault
- 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.