chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 2788 > < Component Tests and General Diagnostics
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Engine Control Module: Service and Repair

Removal

Hardware Removal

NOTE: To prevent internal Powertrain Control Module (PCM) damage, the ignition must be "OFF", when disconnecting or reconnecting power to the
PCM.

Remove or Disconnect:

1. Disconnect negative battery cable
2. Disconnect PCM mounting hardware
3. Disconnect PCM electrical connectors
4. Remove PCM from engine compartment

Component Tests and General Diagnostics|Page 2788 > < Component Tests and General Diagnostics