C 1500 Truck 2WD V8-393 6.5L DSL Turbo VIN S (1996)
Engine Control Module: Service and Repair
TDC Offset Program Procedure
PCM Programming (TDC Offset)
The PCM will automatically activate the TDC Offset program when the engine coolant is greater than 77°C (170°F). If the PCM is not programmed with
a TDC Offset, a DTC P1214 will set.