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

Repair and Diagnosis: Diagnostic Trouble Codes

DIAGNOSTIC TROUBLE CODES

NOTE: It is not unusual for some codes to be shared across systems. For instance, there may be Transmission Codes under Engine Control Codes for purposes of diagnosis.

For diagnosis of all B, C, P, U and Manufacturer Codes - Testing and Inspection