Diagnostic Test
WARNING: This page is about a different car, the 2009 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK IF THE DTC IS CURRENT
- CHECK IF ENGINE DTCS ARE PRESENT
- With the scan tool, read engine DTCs.
Are there any engine DTCs present?
Yes
- Refer to DIAGNOSTIC CODE INDEX (GAS) and perform the appropriate diagnostic procedure.
- Perform 42RLE TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure
No
- Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn.
- Perform 42RLE TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure
- With the scan tool, read engine DTCs.
- CHECK THE WIRING AND CONNECTORS
- The conditions necessary to set the DTC are not present at this time.
- Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
- Wiggle the wiring and connectors while checking for shorted and open circuits.
- With the scan tool, check the Event Data to help identify the conditions in which the DTC was set.
- Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply.
Were there any problems found?
Yes
- Repair as necessary.
- Perform 42RLE TRANSMISSION VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure
No
- Test Complete.