Internal Control Module Memory Reset
A control module reports that its non-volatile memory has been reset (lost adaptions, lost coding, lost trip counters). Often appears after battery disconnects, voltage drops below operating limit, or module reflashes.
Affected components
- Control module
Common causes
- High likelihood: Battery disconnected or low voltage event
- Medium likelihood: Module reflash or coding change
- 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.