buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Sensors and Switches - Computers and Control Systems > < Harness Connector|Page 5602
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Engine Control Module: Service and Repair

REMOVE OR DISCONNECT

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Disable Supplemental Inflatable Restraint (SIR) system.

1. Powertrain Control Module (PCM) connectors.
2. PCM.

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Pull bottom of PCM rearward over locking tabs and downward to remove.

INSTALL OR CONNECT

1. PCM into bracket, making sure PCM is up over locking tabs and locks into place.

2. PCM connectors.

^

Enable SIR system.

Sensors and Switches - Computers and Control Systems > < Harness Connector|Page 5602