Express 3/4 Ton Van V8-6.5L DSL Turbo VIN F (1999)
Engine Control Module: Service and Repair
Powertrain Control Module Programming and Setup
Follow one of the procedures that describe the type of repair you performed:
REPLACED THE PCM (NEW)
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Program the PCM (Flash).
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Operate the engine until the ECT is greater than 170°F (auto TDC Offset).
REPROGRAM (REFLASH) THE PCM
Operate the engine until the ECT is greater than 170°F (auto TDC Offset).
DISCONNECT PCM/REUSE
The Memory is OK.
PROGRAM THE PCM
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) it necessary).
4. If the PCM is only being reprogrammed, it maybe necessary to perform a Glow Plug System Relearn. Refer to Relearn Glow Plug System Type.
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.
