# Service bulletin 0805621

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: 10221197
- Published by NHTSA: 2022\-09\-26
- Manufacturer's number: 0805621
- Manufacturer's date: 2021\-04\-15
- NHTSA component: ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE \(HPCU\):SOFTWARE; ELECTRICAL SYSTEM

## NHTSA's summary

Flash: Hybrid Control Processor \(HCP\) and Auxiliary Hybrid Control Processor \(AHCP\) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module \(PIM\) with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: P0A92 \- Hybrid Generator Performance. P0BFA \- Drive Motor "B" Phase W Current Sensor Circuit Range/Performance. P0BF6 \- Drive Motor B Inverter Phase V Current Sensor Circuit Range/Performance. P0BF2 \- Drive Motor B Inverter Phase U Current Sensor Circuit Range/Performance. P0BFE \- Drive Motor B Phase U\-V\-W Current Sensor Correlation. P0BEE \- Drive Motor A Inverter Phase W Current Sensor Circuit Performance. P0BEA \- Drive Motor A Inverter Phase V Current Sensor Circuit Performance. P0BE6 \- Drive Motor A Inverter Phase U Current Sensor Circuit Performance. P0BFD \- Drive Motor A Phase U\-V\-W Current Sensor Correlation. In addition, the customer may notice one or more of the following conditions:Turtle \(Limp Home Mode\) light is on. Service 4WD light is on.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10221197-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10221197-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Hybrid and electric drive

## Trouble codes named

P0A92, P0BE6, P0BEA, P0BEE, P0BF2, P0BF6, P0BFA, P0BFD, P0BFE

## Vehicles listed

- 2020 JEEP RENEGADE

## Other bulletins for the same vehicles and component

- [S1408000384 REV.J](/bulletins/11030035.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [S1408000384 REV.I](/bulletins/11028904.md), 2026-02-19, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [08\-394\-25 REV. A](/bulletins/11026677.md), 2025-12-17, Service bulletin: ELECTRICAL SYSTEM. Telematics Box Module \(TBM\) Backup Battery Replacement When DTC B1E21 Is Present Technicians may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code \(DTC\): ● B1E21\-96 \- Backup Battery Component Internal Failure.
- [9100734](/bulletins/11026660.md), 2025-12-17, Service bulletin: ELECTRICAL SYSTEM. If the DTC B1E21\-96: Backup Battery\-Component Internal Failure is active and customer states Popup message will show at the radio: "Battery of Uconnect Box requires service. SOS call and related functions may be unavailable. Please visit an authorized dealer." PLEASE do not Replace the TBM module, only replace TBM Internal Battery \(inside Telematics Box Module\) and order PN68493347
- [08\-394\-25](/bulletins/11026549.md), 2025-12-11, Service bulletin: ELECTRICAL SYSTEM. Telematics Box Module \(TBM\) Backup Battery Replacement When DTC B1E21 Is Present echnicians may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code \(DTC\): ● B1E21\-96 \- Backup Battery Component Internal Failure
- [9100668](/bulletins/11023327.md), 2025-09-24, Service bulletin: ELECTRICAL SYSTEM. Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders: Warranty, Mopar, Customer pay and Service contract. Order a "68" part number for New unsold units only.
- [23\-008\-25](/bulletins/11014385.md), 2025-02-20, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. "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. "
- [S1408000384 REV.H](/bulletins/11013171.md), 2025-01-28, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [S1408000384 REV.G](/bulletins/11012777.md), 2025-01-09, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [08\-258\-24](/bulletins/11012233.md), 2025-01-03, Service bulletin: ELECTRICAL SYSTEM. "Body Control Module \(BCM\) Replacement Guidelines Guidelines in case of BCM replacement on exFCA vehicles in the Enlarged Europe region. "

JSON: [/v1/bulletins/10221197](/v1/bulletins/10221197)

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