Fault-tracing information

Diagnostic trouble code (DTC) 1D03 indicates that the software download has failed and must be repeated. Try downloading the software again.

To download new software: Central electronic module (CEM), replacing

Was the software download successful? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Information 

The fault should have been detected and remedied. As this is not the case fault-tracing has failed.

Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.