G 2500 3/4 Ton Van V8-350 5.7L VIN K TBI (1995)
FUNCTIONAL CHECK
1. Turn ignition "ON."
2. Enter diagnostics.
A. DTC 12 should flash four times (if no other DTC(s) are present). This indicates the PROM (MEM-CAL) is installed properly, and the PCM is
functioning.
B. If DTC 51 occurs, or if the MIL is "ON" constantly with no DTC(s), the PROM (MEM-CAL) is not fully seated or is defective.
C. If not fully seated, press firmly on the ends of the PROM (MEM-CAL).
D. If it is necessary to remove the PROM (MEM-CAL), follow the previous removal instructions.
CAUTION: To prevent possible Electrostatic Discharge damage to the PROM (MEM-CAL), Do Not touch the component leads, and Do Not
remove integrated circuit from carrier.
