| Description | P0606 indicates a register readback (PCM internal communications) error. | ||
|---|---|---|---|
| Possible Causes | Hybrid-Electric System. Damaged PCM. | ||
| Diagnostic Aids | An internal PCM failure, or a system FMEM condition exists. Repairing the other DTCs can fix the P0606. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test QE . | ||
P0606 - POWERTRAIN CONTROL MODULE INTERNAL COMMUNICATION ERROR