U0114-LOST COMMUNICATION WITH FINAL DRIVE MODULE
For a complete wiring diagram, refer to the Wiring Information.
- When Monitored:
-
Set Condition:
Bus messages not received from the Totally Integrated Power Module (TIPM) for approximately 2 to 5 seconds.
Possible Causes |
|---|
| CAN B BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| TIPM NOT CONFIGURED CORRECTLY |
| TOTALLY INTEGRATED CONTROL MODULE |
| MODULE THAT SET THIS DTC |
| NOTE: | Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. |
| 1. | With the scan tool, read active DTCs. |
Is this DTC active?
Yes
- Go To 2
No
- Refer to the Stored Lost Communication test procedure (Refer to 29 - Non-DTC Diagnostics/Communication - Diagnosis and Testing) .
2. CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS
| 1. | With the scan tool, read all active DTCs. from all modules. |
| NOTE: | Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. |
Does the scan tool display any active DTCs. to the conditions listed above?
Yes
No
- Go To 3
3. VERIFY THAT THE TIPM IS ACTIVE ON THE BUS
| 1. | Turn the ignition on. |
| 2. | With the scan tool, select Network Diagnostics. |
| 3. | Verify that the TIPM is active on the bus. |
Is the TIPM active on the bus?
Yes
- Go To 4
No
- Refer to the no response test procedure (Refer to 29 - Non-DTC Diagnostics/Communication - Diagnosis and Testing) .
4. CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS
| 1. | With the scan tool, select Network Diagnostics. |
Is there more than one module with active DTCs.“Logged Against” the TIPM?
Yes
- Replace/update the Totally Integrated Power Module in accordance with the service information.
- Perform the BODY VERIFICATION TEST (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).
No
- Replace the Anti-Lock Brake Module in accordance with the service information.
- Perform ABS VERIFICATION TEST (Refer to 28 - DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure).