Service bulletin 08-020-23
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 | 10231797 |
| Published by NHTSA | 2023-02-13 |
| Manufacturer's number | 08-020-23 |
| Manufacturer's date | 2023-01-24 |
| NHTSA component | ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE; SERVICE BRAKES; BACK OVER PREVENTION |
NHTSA's summary
Flash: Radio Frequency Hub Module (RFHM) 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 Code (DTCs) have been set: B21DD-84 - System Voltage-Signal Below Allowable Range. B21DD-85 - System Voltage-Signal Above Allowable Range. C151D-00 - Tire Pressure Sensor Location Undetermined. U1517-87 - Body Controller Secret Code-Missing Message. B1A71-01 - Passive Entry Antenna 1-General Electrical Failure. B1A72-01 - Passive Entry Antenna 2-General Electrical Failure. B1A73-01 - Passive Entry Antenna 3-General Electrical Failure. B1A74-01 - Passive Entry Antenna 4-General Electrical Failure. B1A75-01 - Passive Entry Antenna 5-General Electrical Failure. The customer may also experience one or more of the following: ?Fob Left Vehicle? message is displayed on Instrument Panel Cluster (IPC) after a remote start. Vehicle no-starts. This bulletin involves updating the RFHM module with the latest available software
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
Body and frame, Brakes, Driver assistance, Electrical system, Lighting, Backup camera
Trouble codes named
B1A71, B1A72, B1A73, B1A74, B1A75, B21DD, C151D, U1517
| JEEP GRAND CHEROKEE | 2021 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 24V436000 | 2024-06-13. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA |
|---|---|
| 23V577000 | 2023-08-14. BACK OVER PREVENTION:DISPLAY FUNCTION |
| 21V729000 | 2021-09-21. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; VISIBILITY:REARVIEW MIRRORS/DEVICES |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| S2208000045 REV.B | 2024-12-11. Service bulletin. Backup Camera Poor Image Quality Inspection |
|---|---|
| S2208000172 | 2024-01-08. Service bulletin. Camera Display Has a Blue Screen When Using Surround, Front, Rear, or Park Assist Camera View |
| S2308000054 | 2024-01-08. Service bulletin. System Operation Obstructed or Blocked, ?Blind Spot Temporarily Unavailable, Sensor Blocked?, ?Automatic Emergency Braking (AEB) Limited Service Required? or ?Limited Functionality Clean Front Windshield? Displayed Momentarily on The Cluster |
| 0806423 | 2024-01-02. Service bulletin. Radio Over The Air Updating to QR40.12 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 QR39.7 to QR40.12. NOTE: National launch for this FOTA update is expected to begin March 10, 2023. DISCUSSION: Vehicles sold in the U.S. and Canada can now receive software updates ?over-the-air?. Updates to software will occur in a phased roll-out. The software is updated through the built-in cellular modem in the radio. |
| S2108000015 | 2024-01-02. Service bulletin. Uconnect Box Require Service Message |
| S2323000013 | 2024-01-02. Service bulletin. Power Folding Mirror Makes Noise When Pivoting. |
| 9003357 | 2024-01-02. Service bulletin. ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY (with mileage above 30,000) review and follow instructions from STAR Online S1809000007 REV. C available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA. |
| 0901923 | 2023-12-18. Service bulletin. Cold Engine Ticking Noise From Exhaust Manifold Area The customer may describe an ticking noise from the exhaust manifold location(s) when cold. This bulletin involves replacing the exhaust manifolds. |
| S2208000172 | 2023-10-30. Service bulletin. Camera Display Has a Blue Screen When Using Surround, Front, Rear, or Park Assist Camera View |
| S2308000054 | 2023-10-30. Service bulletin. System Operation Obstructed or Blocked, ?Blind Spot Temporarily Unavailable, Sensor Blocked?, ?Automatic Emergency Braking (AEB) Limited Service Required? or ?Limited Functionality Clean Front Windshield? Displayed Momentarily on The Cluster |