Pinpoint Test F: DTC (Diagnostic Trouble Code) U0100:00 Or DTC (Diagnostic Trouble Code) U0101:00: Notes
Refer to MODULE COMMUNICATIONS NETWORK for schematic and connector information.
Normal Operation and Fault Conditions
The PAM communicates with the PCM on the HS-CAN1.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0100:00 | Lost Communication With ECM/PCM "A": No Sub Type Information | A continuous memory DTC that sets in the PAM if messages received from the PCM are missing for 5 seconds or more. |
| U0101:00 | Lost Communication with TCM: No Sub Type Information | A continuous memory DTC that sets in the PAM if messages received from the PCM are missing for 5 seconds or more. |
Possible Sources
- Communication network concern
- PCM
- TCM (integral to the PCM)
- PAM (integral to the BCM)