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Home >> Jeep >> 2024 >> Grand Cherokee Altitude X, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 54 (Hybrid Control Processor Module (HCP) - DTCS U0412-00 To U062E-00) >> DTC Troubleshooting >> U062E-00-Lost Communication With A/C Refrigerant Expansion Valve Actuator "A" >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
LIN BUS DTCS PRESENT
BATTERY CHILLER SHUT OFF VALVE LIN BUS CIRCUIT OPEN
BATTERY CHILLER SHUT OFF VALVE FUSED B+ CIRCUIT OPEN OR HIGH RESISTANCE
BATTERY CHILLER SHUT OFF VALVE GROUND CIRCUIT OPEN OR HIGH RESISTANCE
BATTERY CHILLER EXPANSION VALVE (BATTERY CHILLER)
POWER INVERTER MODULE (PIM)

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