PIM Reprogramming

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

When PIM reprogramming must be performed, refer to Service Programming System (SPS) .

Insure the following conditions exist in order to prepare for PIM programming or reprogramming:

The battery is fully charged.
The ignition switch is in the RUN position.
The Techline equipment cable connection at the data link connector (DLC) is secure.

Program the PIM using the latest software matching the vehicle. Refer to up-to-date Techline equipment user instructions.

If the PIM fails to program, proceed as follows:

Insure the DLC and PIM connections are good.
Inspect the Techline equipment for the latest software version.
Attempt to program the PIM. If the PIM still cannot be programmed properly, replace the PIM.