Software Incompatibility with Transfer Case Control Module
A control module has detected that its software/calibration is incompatible with the transfer case control module. AWD/4WD modes may not work correctly until matching software is flashed.
Affected components
- Transfer case control module
- Control module
Common causes
- High likelihood: Software/calibration mismatch with transfer case
- Medium likelihood: Used transfer case module from different vehicle fitted
- 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.