October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
DTC U0300-54: Internal Control Module Software Incompatibility - Missing Calibration: Action
- Clear the DTC and retest
- If the DTC returns, using the manufacturer approved diagnostic system check and install latest relevant level of software to the rear differential control module
- Clear the DTC and retest
- If the DTC returns, check and install a new (GEN 4) rear differential control module kit as required. For additional information, refer to: Active On-Demand Coupling Module