Removal Procedure

WARNING: This page is about a different car, the 2011 GMC Canyon and 2011 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.

Fig 1: View Of ECM/PCM & ECM/PCM Harness Connectors

Courtesy of GENERAL MOTORS CORP.

Disconnect the ECM harness connectors (2) from the ECM (3).

Fig 2: View Of ECM

Courtesy of GENERAL MOTORS CORP.

CAUTION: Do not touch the connector pins or soldered components on the circuit board in order to prevent possible electrostatic discharge (ESD) damage to the PCM.

Disengage the ECM bracket mounting tabs, while removing the ECM.