# Service bulletin 08\-057\-21

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: 10194052
- Published by NHTSA: 2021\-05\-24
- Manufacturer's number: 08\-057\-21
- Manufacturer's date: 2021\-04\-15
- NHTSA component: ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING; POWER TRAIN; ELECTRICAL SYSTEM; BACK OVER PREVENTION; AIR BAGS

## 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-10194052-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194052-9999.pdf)

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

## Components

Air bags, Driver assistance, Electrical system, Engine, Lighting, Transmission and driveline, Backup camera

## Trouble codes named

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

## Vehicles listed

- 2020 JEEP COMPASS

## Other bulletins for the same vehicles and component

- [0804523](/bulletins/10248014.md), 2024-01-02, Service bulletin: BACK OVER PREVENTION:SOFTWARE. Radio Over The Air Updating to 34.42 Software Version ? Mobile Wi\-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air \(FOTA\) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from 34.4 to 34.42.
- [08\-038\-23](/bulletins/10231815.md), 2023-02-13, Service bulletin: BACK OVER PREVENTION:SOFTWARE. Radio Over The Air JR34.3 Updating to JR34.32.Software Version Customers may experience one or more of the following: Not be able to use Mobile Wi\-Fi upon start up. Hotspot gives a no Internet connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air \(FOTA\) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from JR34.3 to JR34.32. NOTE: National launch for this FOTA update is expected to begin February 20, 2023.
- [18\-010\-23](/bulletins/10231808.md), 2023-02-13, Service bulletin: ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL; POWER TRAIN; EXTERIOR LIGHTING; BACK OVER PREVENTION. Flash: Powertrain Control Module \(PCM\) 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 \(DTC\)s: P24D1\-00 \- Particulate Matter Sensor Regeneration Incomplete. \(RSU VINs Only\). NOTE: This software update will help prevent P24D1\-00 from setting. All unsold vehicles that are part of the RSU must be updated. If P24D1\-00 sets on a sold vehicle, this software update will not correct this DTC. Refer to all applicable published service bulletins for detailed repair procedures and labor times regarding this DTC. P2002\-00 \- Diesel Particulate Filter \(DPF\) Efficiency based on Particulate Matter \(PM\) sensor monitoring. NOTE: If DTC P2002 is present it will require DPF and PM sensor replacement. Refer to all applicable published service bulletins for detailed repair procedures and labor times regarding Diesel Particulate Matter Sensor \(DPM\) replacement. \*\*P24AE\-00 \- Particulate Matter Sensor Circuit. P24B0\-00 \- Particulate Matter Sensor Circuit Low. P24B1\-00 \- Particulate Matter Sensor Circuit High. P24B2\-00 \- Particulate Matter Sensor Circuit Intermittent. P24D0\-00 \- Particulate Matter Sensor Supply Voltage Circuit Low. P24D3\-00 \- Particulate Matter Sensor Supply \- Circuit Voltage Above Threshold. P24AF\-00 \- Particulate Matter Sensor Circuit Performance. P24B5\-00 \- Particulate Matter Sensor Heater Control Circuit Low. P24B6\-00 \- Particulate Matter Sensor Heater Control Circuit High. P24B7\-00 \- Particulate Matter Sensor Heater Resistance. P24DA\-00 \- Particulate Matter Sensor Exhaust Sample Error Bank 1. U05A4\-00 \- Particulate Matter Sensor Received Invalid Data From ECM \- PCM. U02A3\-00 \- Loss of Communication with PM Sensor Module. P24B2\-00 \- Particulate Matter Sensor Circuit Intermittent.\*\* Customers may also experience the following: Vehicles equipped with a six\-speed C635 Dual Disc Clutch Transmission \(DDCT\)
- [08\-022\-23](/bulletins/10231792.md), 2023-02-13, Service bulletin: BACK OVER PREVENTION:SOFTWARE. Radio Over The Air Updating to 40.12 Software Version Mobile Wi\-Fi inoperative upon start up. Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air \(FOTA\) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from 39.5 to 40.12.
- [0809321](/bulletins/10230134.md), 2023-01-17, Service bulletin: ELECTRICAL SYSTEM; BACK OVER PREVENTION. UAS, UAQ, UCS, UAV, UCV and UCQ Radio Over The Air Software Version Updates This bulletin provides information regarding the latest Flash Over The Air \(FOTA\) update and provides the service technician an overview of the steps a customer will need to take to complete the update. This is part of a two step FOTA update, first update brings software level to 22.61 and this second FOTA update will take the software to 22.64. National launch for this second step is May 24, 2021. Customers may experience one or more of the following:Navigation is incorrect or can not calculate route. GPS locations is inaccurate. Uconnect radio apps are all inoperable. Backup camera screen is blue \(DT and KL\). Green horizontal lines appear across screen \(DT and KL\). Anti\-theft code request message. Backup camera screen is blank. Lines appear across screen. Radio control screen is blank or locked. Radio reset intermittently. Unable to adjust audio volume. Unable to switch modes between AM, FM, SAT or Media. In addition the following enhancements are included in this update:Carplay® connectivity improvement. Improvement to Bluetooth® phone pairing. Bluetooth devices unresponsive. Improved sound quality when using a Bluetooth phone.
- [0808021](/bulletins/10230107.md), 2023-01-17, Service bulletin: BACK OVER PREVENTION:SOFTWARE. UGG and UGM Connectivity Activation This bulletin involves updating the radio software level to 23.02.64.12. Customers may experience the following: Full Connectivity feature is missing.
- [08\-003\-22 REV. A](/bulletins/10229816.md), 2023-01-17, Service bulletin: STEERING; EQUIPMENT:ELECTRICAL:INFOTAINMENT; BACK OVER PREVENTION. UAQ and UCQ Radio Enhancements Customers may experience one or more of the following: ? \*\*Wi\-Fi hotspot connection failure. ? Speaker popping, crackle noise during Voice Recognition \(VR\) response and navigation guidance. ? Mobile Station Integrated Services Digital Network \(MSISDN\) missing from radio, no connected services working.\*\* ? Intermittent, black radio display screen \(Rear View Camera \(RVC\) not affected\). ? Intermittent, radio freezes \(RVC not affected\). ? Wireless connectivity pairing and/or connection issues. ? Lost radio presets. ? Radio channels change by itself. ? SXMT icon inoperative. ? SXMT favorite song not displaying/playing. ? Incorrect navigation address/location/directions. ? Backup camera has black display screen or only displays Check Entire Surroundings with black screen \(occurs when vehicle is shifted immediately to reverse upon key\-on before RVC signal is received, recoverable with key cycle\) . ? High pitch chime noise. ? Contact list not loading. ? Device not supported message. ? Remote app inoperative. ? Travel\-Link fuel price incorrect. ? Backup camera gridlines missing. ? Unable to adjust volume. In addition, the following enhancement are included in this update: ? Enables map updates. ? Heavy Duty \(HD\) Truck USB HUB improvements. ? HD Truck heated steering wheel improvements This bulletin involves inspecting and if required, updating the radio software level to 40.1. Depending on the radio?s current software level the radio may need a one or two USB update.
- [S2218000023](/bulletins/10229769.md), 2023-01-17, Service bulletin: EXTERIOR LIGHTING; BACK OVER PREVENTION. Malfunction Indicator Lamp \(MIL\) Illuminated. Diagnostic Trouble Code \(DTC\) U02A3 ? Lost Communication ith Particulate Matter \(PM\) Sensor, Set After PM Sensor Replacement.
- [0500120](/bulletins/10223956.md), 2022-10-17, Service bulletin: WHEELS; ELECTRICAL SYSTEM; BACK OVER PREVENTION; EXTERIOR LIGHTING. Replacement of Front and Rear Wheel Speed Sensors Due to Oxidation or Water Intrusion Setting Diagnostic Trouble Codes \(DTCs\) This bulletin involves replacing all four wheel speed sensors due to oxidation or water intrusion into the sensor. 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 \(DTCs\).B1 vehicles may have the following DTCs:C0031\-01 \- Left front speed sensor \- General electrical failure. C0031\-29 \- Left front speed sensor \- Invalid signal. C0034\-01 \- Right front speed sensor \- General electrical failure. C0034\-29 \- Right front speed sensor \- Invalid signal. C0037\-01 \- Left rear speed sensor \- General electrical failure. C0037\-29 \- Left rear speed sensor \- Invalid signal. C003A\-01 \- Right rear speed sensor \- General electrical failure. C003A\-29 \- Right rear speed sensor \- Invalid signal. M1 vehicles may have the following DTCs:C0031\-1D \- Left Front Wheel Speed Sensor\-Circuit Current Out of Range. C0034\-1D \- Right Front Wheel Speed Sensor\-Circuit Current Out of Range. C0037\-1D \- Left Rear Wheel Speed Sensor\-Circuit Current Out of Range. C003A\-1D \- Right Rear Wheel Speed Sensor\-Circuit Current Out of Range. C0031\-62 \- Left Front Wheel Speed Sensor\-Signal Compare Failure. C0034\-62 \- Right Front Wheel Speed Sensor\-Signal Compare Failure. C0037\-62 \- Left Rear Wheel Speed Sensor\-Signal Compare Failure. C003A\-62 \- Right Rear Wheel Speed Sensor\-Signal Compare Failure. C0031\-2F \- Left Front Wheel Speed Sensor\-Signal Erratic. C0034\-2F \- Right Front Wheel Speed Sensor\-Signal Erratic. C0037\-2F \- Left Rear Wheel Speed Sensor\-Signal Erratic. C003A\-2F \- Right Rear Wheel Speed Sensor\-Signal Erratic.
- [2301821](/bulletins/10223485.md), 2022-10-17, Service bulletin: LANE DEPARTURE; BACK OVER PREVENTION; AIR BAGS; STRUCTURE; UNKNOWN OR OTHER; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA. Forward Facing Camera Bracket Delaminates From Windshield This bulletin involves Inspecting the urethane used to mount the IRCM \(Integrated Radar Camera Module\) bracket andreplacing the windshield if necessary. The customer may comment on the following: Forward facing camera bracket loses adhesion with the windshield. There is a warning message with MIL light illumination and that the advanceddriver assist features are inoperative

JSON: [/v1/bulletins/10194052](/v1/bulletins/10194052)

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