Diagnostic Test
- ACTIVE DTC NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.
- Ignition on, engine not running.
- With a scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
- Go to step 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
- ABS MODULE IS ACTIVE ON THE CAN C BUS
- Using the Network Review Screen on the scan tool, verify that the ABS Module is active on the bus.
Is the ABS Module active on the bus?
Yes
- Go to step 3
No
- Refer to DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Diagnosis and Testing and perform the No Response from ABS diagnostic procedure.
- Using the Network Review Screen on the scan tool, verify that the ABS Module is active on the bus.
- DTCS STORED OR ACTIVE IN THE ABS MODULE
- With the scan tool, select View DTCs in the ABS Module.
Are any DTCs active or stored in the ABS Module?
Yes
- Refer to DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Diagnosis and Testing and perform the appropriate diagnostic procedure.
No
- Go to step 4
- With the scan tool, select View DTCs in the ABS Module.
- ACTIVE DTCS IN THE TIPM
- With the scan tool, select ECU View and select the TIPM.
- With the scan tool, select View DTCs in the TIPM.
Are any ABS related DTCs active or stored in the TIPM?
Yes
- Replace the ABS Module in accordance with the Service Information
- Perform the ABS Verification Test. Refer to DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
No
- Replace and program the Powertrain Control Module in accordance with the Service Information.
- Perform the PCM Verification Test. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .