Pinpoint Test Aa: Auto Start Stop
Refer to Wiring Diagrams ELECTRONIC ENGINE CONTROLS - 6.7L DIESEL for schematic and connector information.
Normal Operation and Fault Conditions
Refer to the DTC Fault Trigger Conditions.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Condition |
|---|---|---|
| PCM P164C:00 | Internal Control Module Start-Stop Performance: No Sub Type Information | Sets when the PCM detects an internal error. This DTC may be accompanied by other Diagnostic Trouble Codes (DTCs). Check for other Diagnostic Trouble Codes (DTCs) and diagnose those first. If no Diagnostic Trouble Codes (DTCs) are present, continue to follow diagnosis for this DTC. |
Possible Sources
- Aftermarket performance products
- Module programming error
- PCM (12A650)