Diagnostic Test

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.

POWERTRAIN CONTROL MODULE (PCM) or ENGINE CONTROL MODULE (ECM) DTCS PRESENT
1. With the scan tool, read ECM/PCM Brake DTCs.
  Are there any ECM/PCM Brake DTCs present?
  
  Yes
  - Refer to DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing for gas engine applications and perform the appropriate diagnostic procedure
  No
  - Using the schematics as a guide, check the ECM/PCM terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits.
  - Perform appropriate VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure for gas engine applications.