G 30 Van V8-454 7.4L VIN N TBI (1995)
VEHICLES INVOLVED
Involved are 1993-1998 S/T utilities, 1994-1996 S/T pickups equipped with a V6 engine, 1993-1995 M/L van, and 1993-1996 G vans built within the
VIN breakpoints.
PARTS INFORMATION
This phase requires no parts. Calibrations are available in October, 1999 on TIS 2000 CD, # 21 or Techline CD # 20/21 or later versions.
CUSTOMER NOTIFICATION
Customers will be notified of this special policy on their vehicles, in phases, by General Motors (see copy of typical customer letter included with this
bulletin - actual divisional letter may vary slightly).
SERVICE PROCEDURE
VCM Programming
Important:
For 1995 S/T utilities with L35, check the Service Parts Identification (SPID) label on the inside of the glovebox to determine if the vehicle has a
VCM. If there is an RPO of "K29", the vehicle has a PCM and is programmable.
The new calibration,will be available in October, 1999 on TIS 2000 CD # 21 or Techline CD # 20/21 and later versions. The calibration is programmed
into the vehicle's VCM via a Techline TOOL. Use a Techline Terminal or scan tool to perform the learn procedure and program the VCM.
Important:
Use the calibration file "Special Policy 99046" on TIS 2000 CD # 21 or Techline CD # 20/21 or later versions.
1.
To ensure VCM programming/RPO configuration, confirm that the following conditions exist in order to prepare for VCM programming:
^
The battery is fully charged
^
The ignition switch is in the "RUN" position
^
The Data Link Connector (DLC) is accessible
2.
Refer to the latest Techline Terminal and equipment user's instructions.
3.
Clear the diagnostic trouble codes (DTCs) after the programming is complete.
CLAIM INFORMATION
For vehicles repaired under warranty submit a claim with the information indicated.
Owner Letter
