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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 25 (Hybrid Control Processor Module (HCP) - DTCS B1271-00 To P01E4-00) >> DTC Troubleshooting >> B3A11-00 A/C Refrigerant Expansion Valve Actuator Control Circuit Performance >> 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
LIN BUS DTCS PRESENT
OTHER A/C SYSTEM RELATED DTCS
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  .