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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (Hybrid Control Processor Module (HCP) - DTCS P1AC6-00 To P1C68-00) >> DTC Troubleshooting >> P1C64-00 Hybrid PERF - Engine Speed Below Target During AUTOSTART >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
PCM DTCS ARE SET
OTHER HCP DTCS ARE SET
COMMUNICATION PROBLEM BETWEEN PCM AND HCP
ENGINE COMBUSTION PROBLEM - POOR PERFORMANCE

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

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