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Powertrain Control Module: Installation

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the PCM. Ensure that the mounting tabs are engaged. See Figure.
  2. Secure the spring latch to the PCM.
  3. Connect the PCM electrical connectors. See Figure.
  4. Tighten the PCM electrical connector bolts (2) to 71 INCH lbs. (8 N.m).
  5. Install the PCM cover. See Figure.
  6. Install the engine harness clip to the PCM cover.
  7. Connect the negative battery cable.
  8. If a NEW PCM was installed, program the PCM.
  9. Perform the crankshaft position (CKP) system variation learn procedure.
  10. If necessary, reset the engine oil life monitor.