Diagnostic Test
- CHECK IF TCM CAN BUS DTCS ARE PRESENT
- With the scan tool, read TCM DTCs.
Are there any TCM CAN BUS DTCs present?
Yes
- Refer to the appropriate symptom. Refer to DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Diagnosis and Testing .
No
- Go to step 2
- With the scan tool, read TCM DTCs.
- CHECK IF TRANSMISSION DTCS ARE PRESENT
- With the scan tool, read Transmission DTCs.
Are there any Transmission DTCs present?
Yes
- Refer to the appropriate symptom. Refer to DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Diagnosis and Testing .
No
- Using the schematics as a guide, check the Anti-Lock Brake Module pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Anti-Lock Brake Module per the Service Information.
- Perform ABS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
- With the scan tool, read Transmission DTCs.