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Home >> Jeep >> 2019 >> Grand Cherokee Laredo, AWD, Automatic T/Case Control >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P152C To P2167 >> DTC Troubleshooting >> P1696-EEPROM Memory Write Denied/Invalid >> Possible Causes

Possible Causes

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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