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Service bulletin 25-002-21 REV. A

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 id10194074
Published by NHTSA2021-05-24
Manufacturer's number25-002-21 REV. A
Manufacturer's date2021-04-29
NHTSA componentELECTRICAL SYSTEM; EXTERIOR LIGHTING; BACK OVER PREVENTION; WHEELS; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE

NHTSA's summary

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.

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

Driver assistance, Electrical system, Engine, Fuel system, Lighting, Wheels, Backup camera

Trouble codes named

P0563, P208E, P20F6, P21CC, P24B2

Vehicles listed
JEEP COMPASS2019, 2020

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
08045232024-01-02. Service bulletin. 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.
08-038-232023-02-13. Service bulletin. 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.
18-010-232023-02-13. Service bulletin. 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)
08-022-232023-02-13. Service bulletin. 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.
18-008-232023-02-13. Service bulletin. 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. 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. P2002-00 - DPF Efficiency Based On 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. U02A3-00 - Loss of Communication with PM Sensor Module.** P24B2-00 - Particulate Matter Sensor Circuit Intermittent (EBS Sales Code only). P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1 (EBS Sales Code only). P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1 (EBS Sales Code only). Customers may also experience one or more of the following: The Engine Stop/Start (ESS) system remains in the last used state and does not default back to ON for each key cycle as designed (Vehicles on the RSU VIN list only). This bulletin involves reprogramming the PCM with the latest available software.
08093212023-01-17. Service bulletin. 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.
08080212023-01-17. Service bulletin. 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. 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.
S22180000232023-01-17. Service bulletin. Malfunction Indicator Lamp (MIL) Illuminated. Diagnostic Trouble Code (DTC) U02A3 ? Lost Communication ith Particulate Matter (PM) Sensor, Set After PM Sensor Replacement.
18081222022-12-19. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM 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 DTCs have been set: P06E9 - Engine Starter Performance (North America Only). P0456 - EVAP System Small Leak. If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT) to determine if a leak is present in the system. P141B - Starter Control 1 Circuit Performance. P141C - Starter Control 2 Circuit Performance. P26E4-64 - Starter Control 2 Circuit-Signal Plausibility Failure. P0615-64 - Starter Control Circuit-Signal Plausibility Failure. In addition, the customer may notice one or more of the following conditions:Long engine cranking prior to vehicle start more noticeable when the outside temperature is above 40°c (104°f)(EMEA with Sales Code ED6 only). Vehicle will intermittently not start(South Korea Only). Poor fuel economy. Slight engine pinging noise while accelerating and poor performance. Engine may stall while idling. The engine oil dipstick may indicate a low oil level, however the low oil pressure warning indicator doesnotilluminate in the Instrument Panel Cluster (IPC). No crank condition while pushing the start button numerous times, if they turn the vehicle off completely and then retry it will start normally. Cruise control and adaptive cruise control are inoperable. A ?Service Speed Limiter? message in the IPC and Active Vehicle Speed Limiter (AVSL) will be inoperable. There will be no stored or active DTCs with this IPC message.