LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2005 >> Aztek Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Programming And Setup - All Systems >> Repair Instructions >> Powertrain Control Module Programming and Setup (3.4L) >> PCM Reprogramming
April 5, 2026: LEMON Manuals is launched! Read the announcement.

PCM Reprogramming

  1. If the PCM needs to be reprogrammed, refer to Service Programming System (SPS)  .
  2. Engine Oil Life Remaining-When available, use a scan tool to reset the Engine Oil Life Remaining back to the original percentage recorded before the module was reprogrammed.
  3. Transmission Fluid Life Remaining-When available, use the scan tool to reset the Transmission Fluid Life Remaining back to the original percentage recorded before the module was replaced.
  4. IMPORTANT: After programming, perform the following to avoid future misdiagnosis:
  5. Turn the ignition OFF for 30 seconds.
  6. Turn the ignition ON with the engine OFF.
  7. Use the scan tool in order to retrieve history DTCs from all modules.
  8. Clear all history DTCs.