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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (Hybrid Control Processor Module (HCP) - DTCS P0E34-00 To P1ABD-00) >> DTC Troubleshooting >> P1A11-00 Secret Key Not Stored In Ecu >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
IMMOBILIZER ECU REPLACED PROCEDURE NOT PERFORMED AFTER POWER INVERTER MODULE (PIM) REPLACEMENT
PROPER SKIM KEY CODING NOT SAVED IN MEMORY
LOSS OF COMMUNICATION DTCS
IGNITION RUN/START DTCS
POWER INVERTER MODULE (PIM)

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