U0141 - Lost Communication With Totally Integrated Power Module
For a complete wiring diagram, refer to appropriate Wiring Diagram.
- >>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 TIPM for approximately 2 to 5 seconds.
| Possible Causes |
|---|
| DTCs RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| TIPM NOT CONFIGURED CORRECTLY |
| TOTALLY INTEGRATED POWER MODULE |
| TOTALLY INTEGRATED POWER MODULE POWER AND GROUND |
| ANTI LOCK BRAKE MODULE |
Test Step 1 - Verify DTC Is Active
NOTE:
Verify the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.
- With the scan tool, read active DTCs.
Is this DTC active?
Yes
- Go to Test Step 2
No
- Perform the appropriate Stored Lost Communication test procedure. Refer to STORED LOST COMMUNICATION DTCS (2009 - 2010) or STORED LOST COMMUNICATION DTCS (2011 & UP) .
Test Step 2 - Test for Any of the Following Active DTCs
- With the scan tool, read all active DTCs from all modules.
NOTE:
Test 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 more than?
Yes
- Perform the appropriate diagnostic procedure, refer to ON-BOARD DIAGNOSTICS OPERATION .
No
- Go to Test Step 3
Test Step 3 - Verify that the TIPM is Active on the Bus
- Turn the ignition ON.
- With the scan tool, select Network Diagnostics.
- Verify that the TIPM is active on the Bus.
Is the TIPM active on the Bus?
Yes
- Go to Test Step 4
No
- For the No Response diagnostic procedures, refer to NO RESPONSE FROM POWERTRAIN CONTROL MODULE .
Test Step 4 - Test for Additional Communication Related DTCs
- 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. Refer to FOR ENGINE CJRA - REMOVAL AND INSTALLATION , FOR ENGINE CGVA - REMOVAL AND INSTALLATION or FOR ENGINE CGUA - REMOVAL AND INSTALLATION .
- Perform Body Verification Test. Refer to BODY VERIFICATION TEST .
No
- Replace the anti lock brake module.
- Perform ABS Verification Test. Refer to ABS VERIFICATION TEST (2009 - 2011) or ABS VERIFICATION TEST (2012 & UP) .