C 1500 Truck 2WD V8-6.5L DSL Turbo VIN S (1997)
Engine Control Module: Service and Repair
Powertrain Control Module (PCM) Programming
PCM Programming
1. Perform the set up.
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The battery is charged.
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The ignition is ON.
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The battery/cig. lighter connection is secure.
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The Data Link Connector is attached.
2. Perform the programming. Refer to up to date Techline terminal/equipment for user instructions.
3. After the vehicle has been programmed, operate the vehicle until the coolant temperature is greater than 77°C (170°F). This will allow the TDC
Offset to be programmed (refer to PCM Programming (TDC Offset) if necessary). See: TDC Offset Program Procedure
4. Check the data list for a TDC Offset.
5. If the PCM fails to reprogram, do the following:
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Check all of the PCM connections.
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Check the Techline terminal/equipment for the latest software version.
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Try again to reprogram the PCM. If the reprogramming fails again, replace the PCM. Refer to PCM replacement.
