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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Hybrid Control Processor Module (HCP) - DTCS P1C65-00 To P1CDF-00) >> DTC Troubleshooting >> P1C65-00 Hybrid PERF - Engine Speed Target Not Achieved During AUTOSTART >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
POWERTRAIN CONTROL MODULE (PCM) DTCS ARE SET
OTHER HYBRID CONTROLLER PROCESSOR (HCP) DTCS ARE SET
COMMUNICATION PROBLEM BETWEEN PCM AND HCP
ENGINE COMBUSTION - POOR PERFORMANCE
ENGINE MECHANICAL PROBLEM
TRANSMISSION MECHANICAL PROBLEM

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

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