Pinpoint Test V : DTC: U0100:00: Notes
Refer to Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The DSM and the PCM communicate using the HS-CAN1 and MS-CAN.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0100:00 | Lost Communication with ECM/PCM "A": No Sub Type Information | Set by the DSM whenever it has lost communication to the PCM for 5 seconds or longer while DSM input voltage is between 10 and 15.5 volts. |
Possible Causes
- Module communication
- DSM
- PCM