DTC Troubleshooting
DTC Troubleshooting: P0602
DTC P0602: PCM Programming Error
NOTE:
- Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information. Reading and Clearing Diagnostic Trouble Codes
- This DTC is indicated when a PCM update is not completed.
- Do not turn the ignition switch to ACC (I) or to LOCK (0) while updating the PCM. If you do, the PCM can be damaged.
1. Do the PCM update procedure. PCM Update
2. Check for Pending or Confirmed DTCs with the HDS.
Is DTC P0602 indicated?
YES - Replace the original PCM. Service and Repair
NO - The update is complete.