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Service bulletin 0806820

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10229328
Published by NHTSA2023-01-09
Manufacturer's number0806820
Manufacturer's date2020-07-09
NHTSA componentWHEELS; STEERING

NHTSA's summary

UGQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to 34.21. Customers may comment on one or more of the following:After software update 28.31 was performed, the radio may experience one or more of the following:No audio from any media source and from navigation prompts. No audio as well from cell or initial message prompts(audio chimes will continue to function along with the touchscreen beeps). The volume may be inoperable at times. The heated steering wheel and heated seat buttons on radio display are grayed out and are inoperable.

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

Steering, Wheels

Vehicles listed
JEEP COMPASS2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
S2422000001 REV.C2024-11-13. Service bulletin. Tire Pressure Monitor (TPM) Service Information. TPM Lamp On.
08-003-22 REV. A2023-01-17. Service bulletin. 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.
21039202023-01-09. Service bulletin. Transmission Case Oil Leak This bulletin involves tightening the lower transmission bolts to updated torque specifications to possibly eliminate a leak at the case split line of the transmission. Customers may notice (possibly transmission) fluid leaking on the ground from the left front of the vehicle.
08068202022-10-17. Service bulletin. UGQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software levelto 39.2. Customers may comment on one or more of the following: Language set in Spanish, and try to search for an address with Voice Recognition(VR), it will not recognize these locations.VR can not find street names / location in Catalan language (present in Barcelona area and nearby). To correct this symptom,the radio SW has to be at QR39.2 and the Nav map SW version has to be at 19Q2. In the Uconnect App, under Live>Jeep Skills>Customer will see ?Current? meter which is displaying incorrect amperage readings.The battery current indicator indicates an incorrect value, it is showing the number 65536 stating that it is exactly inthe full range scale. The list of previous trips on both mobile app and Connected Vehicle Platform(CVP) portal, nor any valid vehicle, will be detected in Eco drive section. After software update 28.31 was performed, the radio may experience oneor more of the following:No audio from any media source and from navigation prompts. No audio as well from cell or initial message prompts(audio chimes will continue to function along with the touchscreen beeps). The volume may be inoperable at times. The heated steering wheel and heated seat buttons on radio display are grayed out and are inoperable.
05001202022-10-17. Service bulletin. 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.
90044532022-10-17. Service bulletin. GEAR, Rack and Pinion If looking to replace the rack and pinion due to a clunking / knocking noise, please use the Chassis Ear Tool to pinpoint the exact location of the noise following the proper diagnostics. The points where you should place the chassis ear tool in sequence are: steering column, rack and pinion, intermediate shaft or the outer tie rod of the rack and pinion. Also ensure all related components are properly torqued such as shock absorbers, steering column, lower ball joints, stabilizer links, sway bar links and cradle mount bolts (front and rear). Please contact FCA Redacted Content for feedback related ONLY to this GPOP Tech Tip. Do Not email regarding repair procedures unrelated to this Tech Tip or part order inquiries.
08068202022-09-26. Service bulletin. UGQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to 34.21. Customers may comment on one or more of the following:After software update 28.31 was performed, the radio may experience one or more of the following:No audio from any media source and from navigation prompts. No audio as well from cell or initial message prompts(audio chimes will continue to function along with the touchscreen beeps). The volume may be inoperable at times. The heated steering wheel and heated seat buttons on radio display are grayed out and are inoperable.
05003212022-09-26. Service bulletin. 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).M1&M6 vehicles may have one or more of 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. B1 vehicles may have one or more of 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.
08-068-212021-05-24. Service bulletin. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the BCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) have been set: P0563-00 - System Voltage High(2020 M6 Vehicles equipped with 2.0L I4 Turbo Diesel Engine W/ESS (Sales Code EBS only)). P21CC?00 - Reductant Control Module Supply Voltage High(2020 M6 Vehicles equipped with (Sales Code EBS only)). P1515-00 - Plausibility Check R1 Stuck Closed Or Vsensing Short To Battery In Engine Running(2019 M6 only). B25C9 - Driver Door Ajar Switch 2 Stuck Closed (Module, Powertrain Control (PCM)). Stored DTC only, this update isnotfor active fault.If B25C9 is an active fault normal diagnostic must be performed. This software update will not correct active DTC. P26E4-64 - Starter Control 2 Circuit-Signal Plausibility Failure. In addition, customers or technicians may comment on one or more of the following:Engine Stop/Start (ESS) not functioning properly(2020 M6 Vehicles equipped with (Sales Code EBS only). Four wheel drive not functioning(2020 M6 Vehicles equipped with (Sales Code EBS only). No start condition if the vehicle has both P1515-00 and P26E4-64 DTCs(2019 M6 only). Park assist LED does not turn on(2019-20 MP/M1 and 2019 M6 only). The key fob does not work for power lift gate (Sales Code JRC)(2019-20 MP/M1 and 2019 M6 only). Vehicle Theft Alarm (VTA) sounding after remote start time out(2019-20 MP/M1 and 2019 M6 only). VTA triggers randomly. The vehicle will not restart when in Engine Stop/Start (ESS) mode. Customers will have to shift into park and cycle the ignition to get the vehicle to start again. The vehicle cranks but fails to start, the customer will see a message on the Instrument Panel Cluster (IPC) "press brake and push ignition button to start" after this happens they must perform a key cycle
25-002-21 REV. A2021-05-24. Service bulletin. Flash: Dosing Control Unit (DCU) Updates This bulletin involves reprogramming the Dosing Control Unit (DCU) with the latest available software. 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: P0563-00 - System Voltage High(2020 M6 Vehicles only). P21CC-00 - Reductant Control Module Supply Voltage High(2020 M6 Vehicles only). P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. Incompatible software between the DCU, Powertrain Control Module (PCM) and BCM causing a false illumination of the Malfunction Indicator Lamp (MIL). Additional customer concerns:Engine Stop/Start (ESS) not functioning properly. Four wheel drive not functioning.