LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chrysler >> 2021 >> Voyager LXi, Gas >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 3.6L - DTCS P060D To P1056 >> Diagnosis And Testing >> P0633-Skim Secret Key Not Stored In Pcm >> Possible Causes

Possible Causes

Possible Causes
PCM WAS REPLACED AND THE "PCM REPLACED" ROUTINE HAS NOT BEEN RUN
DEFAULT SECRET KEY VALUE WAS RECORDED IN THE WCM/WIN DUE TO DTC BEING ERASED BEFORE THE "WCM/WIN REPLACED" ROUTINE WAS RUN

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

scientia non olet · About LEMON Manuals