Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Emission Control Systems: Testing and Inspection

Engine Diagnostic Information

For PCM (Powertrain Control Module) DTCs (Diagnostic Trouble Codes) REFER to DTC Chart: Powertrain Control Module (PCM) Automatic Transmission - 6F50 and 6F55. For driveability symptoms without DTCs (Diagnostic Trouble Codes), refer to Computers and Control Systems Information, Symptom Charts.