Service bulletin 0801124
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10251832 |
| Published by NHTSA | 2024-03-18 |
| Manufacturer's number | 0801124 |
| Manufacturer's date | 2024-01-09 |
| NHTSA component | EXTERIOR LIGHTING |
NHTSA's summary
Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. ? P0AA1-00 - Hybrid/EV Battery Positive Contactor ?A? Stuck Closed. Customers may also experience the following: ? The vehicle will not start. This bulletin involves updating the BPCM with the latest available software.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Lighting
Trouble codes named
P0AA1, P0AA4
| JEEP GRAND CHEROKEE | 2023 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2024113 | 2024-02-22. Lights And Instruments |
|---|---|
| 24V130000 | 2024-02-22. EXTERIOR LIGHTING:HEADLIGHTS; ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| S2308000120 REV.B | 2024-06-24. Service bulletin. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative |
|---|---|
| 2300424 | 2024-03-18. Service bulletin. Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses. |
| 2100324 | 2024-03-18. Service bulletin. Flash: Transmission Control Module (TCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set in the Hybrid Control Processor (HCP) module: ? P16F0-00 - SPI Comm Hardware Fault. Customers may also comment on one or more of the following: ? Shifts rough occasionally when coming down to a stop. ? Shifts rough occasionally when accelerating. ? Shifts rough when transitioning from EV to Hybrid operation on low SoC. ? Shifts rough when engines starts. ? On part throttle accelerations with little to no battery available the transition from battery power to engine on is harsh and abrupt. ? The engine oil life on dashboard drops down too fast when the engine oil dilution reaches high level without the ability to recover. This bulletin involves reprogramming the TCM, Powertrain Control Module (PCM) and the Auxiliary Hybrid Control Processor (AHCP) also known as Power Inverter Module (PIM), with the latest available software. |
| 1800124 | 2024-03-18. Service bulletin. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set in the Hybrid Control Processor (HCP) module: ? P16F0-00 - SPI Comm Hardware Fault. Customers may also comment on one or more of the following: ? Shifts rough occasionally when coming down to a stop. ? Shifts rough occasionally when accelerating. ? Shifts rough when transitioning from EV to Hybrid operation on low SoC. ? Shifts rough when engines starts. ? On part throttle accelerations with little to no battery available the transition from battery power to engine on is harsh and abrupt. ? The engine oil life on dashboard drops down too fast when the engine oil dilution reaches high level without the ability to recover. This bulletin involves reprogramming the PCM, Transmission Control Module (TCM) and the Auxiliary Hybrid Control Processor (AHCP) also known as Power Inverter Module (PIM), with the latest available software. |
| 0801324 | 2024-03-18. Service bulletin. Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set in the Hybrid Control Processor (HCP) module: ? P16F0-00 - SPI Comm Hardware Fault. Customers may also comment on one or more of the following: ? Shifts rough occasionally when coming down to a stop. ? Shifts rough occasionally when accelerating. ? Shifts rough when transitioning from EV to Hybrid operation on low SoC. ? Shifts rough when engines starts. ? On part throttle accelerations with little to no battery available the transition from battery power to engine on is harsh and abrupt. ? The engine oil life on dashboard drops down too fast when the engine oil dilution reaches high level without the ability to recover. This bulletin involves reprogramming the Powertrain Control Module (PCM), Transmission Control Module (TCM) and the AHCP also known as Power Inverter Module (PIM), with the latest available software. |
| 2302923 | 2024-01-02. Service bulletin. Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses (Fig. 1) . This bulletin is to communicate the procedure for head lamp condensation clearing. |
| 0803523 | 2024-01-02. Service bulletin. Flash: Memory Seat Module (MSM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC). ? B1D9B-54 - Seat Horizontal Front Stop Not Learned-Missing Calibration. Customers may experience the following: ? Memory seat does not save on profiles 1 or 2. ? Easy entry/exit functionality is inoperative. This bulletin involves reprogramming the MSM with the latest available software. |
| 1801523 | 2024-01-02. Service bulletin. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: ? C053D - Brake Pressure Sensor 1 Performance. This bulletin involves reprogramming the PCM with the latest available software. |
| S2308000019 | 2024-01-02. Service bulletin. Auto High Beams Characteristics, Auto High Beams Not Turning on When Enabled |
| S2308000120 | 2023-10-30. Service bulletin. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative |