OEM 2005 Chevrolet Cavalier Engine Control Module

2005 Chevrolet Cavalier Parts Questions & Experts Answers

• Q: How to replace the Engine Control Module (ECM) on 2005 Chevrolet Cavalier?

  A: The replacement of the powertrain control module (PCM) requires a disabled ignition to stop damage of internal components during the process of disconnecting or reconnecting the pcm connector. The procedure starts with disconnecting the negative Battery Cable. You must first push down the locking tab after which you should pull up on the release lever to unlock the pcm harness connectors . It is crucial to prevent electrostatic discharge damage by staying away from pcm connector pins as well as soldered components during this process and integrated circuit boards should never be separated from their carrier. After freeing the pcm retaining tab users can remove the pcm unit from the pcm bracket. Start by checking the service number on the new pcm against the faulty unit during removal from the packing material. Insert the pcm into the pcm bracket and push it until the retaining tab falls into place. Complete the pcm harness installation by connecting the connectors but keep away from pins and circuit board areas. Reconnect the negative Battery Cable followed by pcm programming where the replacement unit must be reprogrammed along with executing the crankshaft position system variation learn procedure.