Diagnostic Test
WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
POWERTRAIN CONTROL MODULE (PCM) DTCS PRESENT
- With the scan tool, read PCM Brake DTCs.
Are there any PCM Brake DTCs present?
Yes
- Perform the appropriate diagnostic procedure. Refer to the DTC INDEX article .
No
- Using the schematics as a guide, check the PCM terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits.
- Perform the appropriate VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .