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:
- For -2004, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING
- For 2005-, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING .
Was the software download successful?
- YES
OKAY: Troubleshooting has been completed.
- NO
Refer to INFORMATION