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Home >> Jeep >> 2012 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Powertrain Control Module (Pcm) - DTCS P0122 To P0868 - 65RFE Automatic Transmission) >> Diagnosis And Testing >> P0605-Internal Control Module ROM >> Possible Causes

Possible Causes

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Possible Causes 
POWER OR GROUND CIRCUIT
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  . 

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