B3A11 · Manufacturer communications

JEEP · 2026-07-14

Not applicable to vehicles built for US market. Flash: Hybrid Control Processor (HCP) / Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician must find the following Diagnostic Trouble Code (DTC) has been set: ● B3A11-00 - A/C Refrigerant Expansion Valve Actuator Control Circuit Performance. Customers may experience one or more of the following: ● Low/weak 12V battery or a no start condition. ● Vehicle unable to charge while key off. This bulletin involves reprogramming the **HCP/AHCP** to the latest available software.

JEEP · 2026-02-05

Not applicable to vehicles built for US market. Flash: Power Inverter Module (PIM) Flash Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician must find the following Diagnostic Trouble Code (DTC) has been set: ● B3A11-00 - A/C Refrigerant Expansion Valve Actuator Control Circuit Performance. Customers may experience the following: ● Low/weak 12V battery or a no start condition. ● Vehicle unable to charge while key off. This bulletin involves reprogramming the Auxiliary Hybrid Control Processor (AHCP) also known as Power Inverter Module (PIM), with the latest available software. NOTE: This new software level includes the remedy software for safety campaign 95B. If the vehicle

JEEP · 2025-04-23

"A/C Blowing Warm Air Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must set the following Diagnostic Trouble Code (DTC): ● B3A11 - A/C Refrigerant Expansion Valve Actuator Control Circuit Performance. Customer may also comment on the following: ● A/C system blowing warm air. This bulletin involves replacing the battery chiller."

JEEP · 2025-04-19

"A/C Blowing Warm Air Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must set the following Diagnostic Trouble Code (DTC): ● B3A11 - A/C Refrigerant Expansion Valve Actuator Control Circuit Performance. Customer may also comment on the following: ● A/C system blowing warm air. This bulletin involves replacing the battery chiller."

JEEP · 2025-03-28

AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE

JEEP · 2025-03-27

AC REFRIGERANT EXPANSION VALVE ACTUATORAC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE

JEEP · 2025-03-14

AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE

JEEP · 2025-02-25

AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE

JEEP · 2024-08-21

AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE

JEEP · 2024-08-06

AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE