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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 77 (3.7L/4.7L/5.7L - DTCS P0850 To P2173 - NGC - 1500 & 2500) >> Diagnosis And Testing >> P1696-EEPROM Memory Write Denied/Invalid >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
POWERTRAIN CONTROL MODULE (PCM) SOFTWARE UPDATE
EXCESSIVE RESISTANCE IN THE PCM POWER OR GROUND CIRCUITS
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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