Powertrain Control Module (Pcm): Mem-Cal: Installation
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 1995 GMC Vandura, 1995 GMC Sonoma, 1995 GMC Safari, 1995 GMC Rally, and 1995 GMC Pickup. However, it is still accessible from the selected car via links, so may be relevant.
- Carefully align MEM-CAL pins with PCM pin holes. DO NOT press in middle of MEM-CAL. Push downward evenly on ends of MEM-CAL until retaining clips on ends of MEM-CAL snap into place.
- Install PCM. Reconnect negative battery cable. Turn ignition on and ground DLC terminal "B". DTC 12 should be flashed at least 4 times. If DTC 12 is not flashed at least 4 times, other codes are present. If DTC 51 is present, or if MIL stays on constantly with code(s) present, MEM-CAL is not fully seated, or is defective.