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Powertrain Control Module: Installation

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install PCM to bracket. Secure PCM spring latch. Connect harness connectors to PCM. Tighten PCM harness connector bolts to specification. See TORQUE SPECIFICATIONS .
  2. Install PCM cover. Connect harness ground to clip attached to the PCM cover (if equipped). Reconnect negative battery cable. If NEW PCM has been installed, PCM MUST be programmed. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION.
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