# P1E1B on the 2022 Jeep Wrangler

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.

## Bulletins for this model year that name P1E1B

- [10248011](https://open.wenmarpro.com/bulletins/10248011), 2024-01-02: Flash: Battery Pack Control Module \(BPCM\) Diagnostic and System Updates Customers may experience a false Malfunction Indicator Lamp \(MIL\) illumination related to PHEV battery: ? P1A21\-00 \- HV Battery Contactor Control Sequence Incorrect. ? P0B3E\-00 \- Hybrid/EV Battery Voltage Sense 1 Circuit High. ? P0607\-00 \- ECU Internal Performance. ? P1E1B\-00 \- Hybrid/EV Battery Side Voltage System Isolation. ? P0AA4\-00 \- Hybrid Battery Negative Contactor Circuit Stuck Closed. This bulletin involves updating the BPCM with the latest available software. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this BPCM update: ? Powertrain Control Module \(PCM\). ? Integrated Dual Charging Module \(IDCM\). ? Transmission Control Module \(TCM\). ? Battery Pack Control Module \(BPCM\). ? Hybrid Control Processor \(HCP\), Auxiliary Hybrid Control Processor \(AHCP\) also known as the Power Inverter Module \(PIM\).
- [10234484](https://open.wenmarpro.com/bulletins/10234484), 2023-04-17: Flash: Battery Pack Control Module \(BPCM\) Diagnostic and System Updates Customers may experience a false Malfunction Indicator Lamp \(MIL\) illumination related to PHEV battery: ? P1A21\-00 \- HV Battery Contactor Control Sequence Incorrect. ? P0B3E\-00 \- Hybrid/EV Battery Voltage Sense 1 Circuit High. ? P0607\-00 \- ECU Internal Performance. ? P1E1B\-00 \- Hybrid/EV Battery Side Voltage System Isolation. ? P0AA4\-00 \- Hybrid Battery Negative Contactor Circuit Stuck Closed. This bulletin involves updating the BPCM with the latest available software. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this BPCM update: ? Powertrain Control Module \(PCM\). ? Integrated Dual Charging Module \(IDCM\). ? Transmission Control Module \(TCM\). ? Battery Pack Control Module \(BPCM\). ? Hybrid Control Processor \(HCP\), Auxiliary Hybrid Control Processor \(AHCP\) also known as the Power Inverter Module \(PIM\).
- [10229535](https://open.wenmarpro.com/bulletins/10229535), 2023-01-09: Flash: Battery Pack Control Module \(BPCM\) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a false Malfunction Indicator Lamp \(MIL\) illumination related to PHEV battery: P1A21\-00 \- HV Battery Contactor Control Sequence Incorrect. P0B3E\-00 \- Hybrid/EV Battery Voltage Sense 1 Circuit High. P0607\-00 \- ECU Internal Performance. P1E1B\-00 \- Hybrid/EV Battery Side Voltage System Isolation. P0AA4\-00 \- Hybrid Battery Negative Contactor Circuit Stuck Closed.
- [10225387](https://open.wenmarpro.com/bulletins/10225387), 2022-10-31: Flash: Battery Pack Control Module \(BPCM\) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a false Malfunction Indicator Lamp \(MIL\) illumination related to PHEV battery: P1A21\-00 \- HV Battery Contactor Control Sequence Incorrect. P0B3E\-00 \- Hybrid/EV Battery Voltage Sense 1 Circuit High. P0607\-00 \- ECU Internal Performance. P1E1B\-00 \- Hybrid/EV Battery Side Voltage System Isolation. P0AA4\-00 \- Hybrid Battery Negative Contactor Circuit Stuck Closed.
- [10225250](https://open.wenmarpro.com/bulletins/10225250), 2022-10-31: Flash: Battery Pack Control Module \(BPCM\) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a false Malfunction Indicator Lamp \(MIL\) illumination related to PHEV battery: P1A21\-00 \- HV Battery Contactor Control Sequence Incorrect. P0B3E\-00 \- Hybrid/EV Battery Voltage Sense 1 Circuit High. P0607\-00 \- ECU Internal Performance. P1E1B\-00 \- Hybrid/EV Battery Side Voltage System Isolation. P0AA4\-00 \- Hybrid Battery Negative Contactor Circuit Stuck Closed.