Operation CHARM: Car repair manuals for everyone.
Home >> Chevrolet >> 2000 >> C 2500 Truck 2WD V8-5.7L VIN R >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair >> VCM Programming
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VCM Programming

1. Take the following steps in order to set-up for programming the VCM Electrically Erasable Programmable Read Only Memory (EEPROM).
^ The battery is fully charged.
^ The ignition is ON.
^ The scan tool connection to the Data Link Connector (DLC) is secure.
2. Refer to an updated Techline terminal and follow the users instructions for VCM programming.
3. If the VCM fails to program, do the following functions:
^ Check all the VCM connections.
^ Check the ITCS terminal and equipment for the latest software version.
^ Try again to program the VCM. If the programming fails again, replace the VCM.
4. Perform the Passlock Reprogramming Procedure. Refer to PASSLOCK Reprogramming Seed and key in Antitheft and Alarm Systems.
5. Perform the CKP System Variation Learn Procedure. Refer to CKP System Variation Learn Procedure.
6. For a functional check, perform the Powertrain On-Board Diagnostic (OBD) System Check.
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