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Home >> Jeep >> 2024 >> Grand Cherokee Summit >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Hybrid Control Processor Module (HCP) - Environmental Data Diagnosis And Verification Test) >> Environmental Data Diagnosis >> Current Fault >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
LOW RADIATOR AIR FLOW/HIGH UNDERHOOD TEMPERATURES
HIGH COMPRESSOR LOAD DUE TO LOW REFRIGERANT CHARGE
EVAPORATOR ICING OR DEBRIS

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

WARNING:

On vehicles equipped with the high voltage system, you must thoroughly read and follow all High Voltage Safety procedures. In addition, before performing any diagnostic or service procedure near a high voltage component, you must perform the High Voltage Power Down. Failure to follow these instructions may result in possible serious or fatal injury.

Read the HIGH-VOLTAGE SAFETY PROCEDURES. Refer to  HIGH VOLTAGE SAFETY PROCEDURES  . 

When the HIGH-VOLTAGE POWER-DOWN PROCEDURE is necessary. Refer to  HIGH VOLTAGE POWER DOWN  . 

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