Operation CHARM: Car repair manuals for everyone.

Table of Contents

Table of Contents

1. 1. Engine, Transmission, Transfer Case, Rear Axle Components and Catalytic Converter Failures Due to Non-GM Engine and/or Transmission Control Module Calibrations Being Installed - Including GM Calibration Verification Requires and Recommends Notices

2. Overview of Calibration Retrieval and Calibration Verification Procedure for Service Agents NOT REQUIRED to Call PQC for Powertrain/Drivetrain Assembly Replacement Authorization

3. Overview of Calibration Retrieval and Calibration Verification Procedure for Service Agents REQUIRED to Call PQC for Powertrain/Drivetrain Assembly Replacement Authorization

4. Retrieving Engine Calibration ID and Verification No. (Number) Information Using the Tech 2(R) - This Action is Required for ALL Service Agents (Model Dependent)

5. Tech 2(R) Displaying All Zeroes for the Verification Numbers on the Vehicle Information - Calibration ID and Verification No. (Number/CVN) Screen

6. Retrieving Calibration Information From Global A Vehicles Using GDS 2 - This Action is Required for ALL Service Agents (Model Dependent)

7. Creating a JPEG (.jpg) File From a GDS 2 Calibration History Screen Shot Using Microsoft Paint

8. Calibration Verification Procedure - For Service Agents NOT REQUIRED to Call PQC for Powertrain/Drivetrain Assembly Replacement Authorization - Using the Tech 2(R) or GDS 2
8. A. Calibration Verification Procedure - Using the Tech 2(R)

8. B. Calibration Verification Procedure - Using GDS 2

9. Calibration Verification Procedure - For Service Agents REQUIRED to Call PQC for Powertrain/Drivetrain Assembly Replacement Authorization - This Procedure MUST be Performed by the Calibrations Group

10. Procedure for ALL Service Agents for E-mailing.jpg or JPEG Files to the Calibration Group at - TACCVN@gmexpert.com

11. Calibrations Group - New E-mail Address - TACCVN@gmexpert.com

12. Warranty Information