K 1500 Yukon Denali AWD V8-6.0L VIN U (2002)
connections are secure and the Techline(TM) operating software is up to date. Attempt to reprogram the control module. If the control module cannot
be programmed, replace the control module. Refer to Powertrain Control Module (PCM) Replacement.
29. Select Program.
30. After the download is complete, EXIT Service Programming.
31. Turn OFF the ignition for 30 seconds.
32. Turn OFF the Tech 2.
33. If a control module is replaced the following service procedures must be performed:
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CKP System Variation Learn Procedure
^
Inspection/Maintenance (I/M) Complete System Set Procedure
^
Programming Theft Deterrent System Components
PROGRAMMING VERIFICATION
1. With a scan tool, clear the DTCs.
2. Attempt to start the engine.
3. Repeat the Service Programming procedure if the engine does not start or operates poorly. Perform the following procedures before programming
the PCM:
^
Ensure the control module and DLC connections are OK.
^
Ensure the Techline operating software is up to date.
^
Ensure the calibration part number is correct for the vehicle.
4. Attempt to program the control module. If the control module still cannot be programmed properly, replace the control module. Refer to
Powertrain Control Module (PCM) Replacement. You must program the replacement control module.
