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Home >> Chrysler >> 2021 >> Voyager LX, Gas >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 3.6L - DTCS P1057 To P1D73 >> Diagnosis And Testing >> P1400-Aftermarket Calibration Detected/Warranty Coverage Confirmation Required >> Possible Causes

Possible Causes

POSSIBLE CAUSES
PCM HAS BEEN PROGRAMMED WITH UNAUTHORIZED OR AFTERMARKET SOFTWARE
AN AUTHORIZED MOPAR OR SCAT PAK POWERTRAIN CONTROL MODULE (PCM) HAS BEEN INSTALLED

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

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