U0100-LOST COMMUNICATION WITH ECM/PCM (TIPM)
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
- With the ignition on
- Battery voltage between 10 and 16 volts
- IOD fuse installed
- TIPM is configured correctly
- Set Condition:
Bus messages not received from the ECM/PCM for approximately 2 to 5 seconds.
| Possible Causes |
| CAN C+ OR CAN C– BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| TIPM NOT CONFIGURED CORRECTLY |
| ECM/PCM POWER AND GROUND |
| ECM/PCM |
| TIPM |
| MODULE THAT SET THIS DTC |
Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for diagnostic procedures and for further possible causes.
For a complete wiring diagram Refer to Section 8W.