B3A11 on the 2023 Jeep Grand Cherokee
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 08-045-26 REV. A | 2026-07-23. Service bulletin. 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. |
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| 08-045-26 | 2026-02-12. Service bulletin. 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 |
| 08-122-25 REV. A | 2025-04-30. Service bulletin. "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." |
| 08-122-25 | 2025-04-23. Service bulletin. "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." |
| S2424000003 REV.C | 2025-04-02. Service bulletin. AC REFRIGERANT EXPANSION VALVE ACTUATORAC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE |
| S2424000003 REV.D | 2025-03-28. Service bulletin. AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE |
| S2424000003 REV.C | 2025-03-14. Service bulletin. AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE |
| S2424000003 REV.B | 2025-03-05. Service bulletin. AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE |
| S2424000003 REV.A | 2024-08-21. Service bulletin. AC INOP With DTC B3A11 - AC REFRIGERANT EXPANSION VALVE ACTUATOR CONTROL PERFORMANCE |
9 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.