Control Module Improper Wake-up Performance
The control module did not wake up cleanly from sleep mode — wake event timing or sequence outside spec.
Affected components
- Control module
- Wakeup circuit
Common causes
- High likelihood: Module internal fault
- Medium likelihood: Wake signal noise or glitch
- 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.