Diagnostic Test
- VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE NOTE: Make sure the IOD fuse is installed and battery Voltage is between 10 and 16 Volts before proceeding.
- Turn the ignition on.
- Using a scan tool, read DTCs.
Is the U0154-LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE DTC active?
Yes
- Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Diagnosis and Testing and perform the U0154-LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE diagnostic procedure.
No
- Refer to Non-DTC Diagnostics/Communication - Diagnosis and Testing and perform the STORED LOST COMMUNICATION DTCs diagnostic procedure.