Service Bulletins
Manufacturer Technical Service Bulletins (TSBs) issued to authorized dealers — software updates, repair procedures, fault-code fixes, and warranty coverage details for current and recent model years.
2024 Jeep Wrangler Right Front Door Lock Inoperable TSB
A manufacturer communication, identified by NHTSA ID 11001245, addresses instances where the right front door lock in a 2024 Jeep Wrangler may not operate from the switch. The issue often stems from a disconnected switch harness connector, requiring inspection and reconnection.
2022 Jeep Wrangler PCM Update for MIL and Fuel System Message
Jeep Technical Service Bulletin (TSB) 18-048-24 addresses Malfunction Indicator Lamp (MIL) illumination, the 'Performance Limited Service Fuel System' message, and various DTCs (P02EE, P2B95, P152E, P152F) in 2022 Jeep Wrangler 2.0L models. A Powertrain Control Module (PCM) software update is…
2023 Jeep Wrangler PCM Update for MIL and DTC P2B95
A software update for the Powertrain Control Module (PCM) is available for the 2023 Jeep Wrangler to address Malfunction Indicator Lamp (MIL) illumination and Diagnostic Trouble Code (DTC) P2B95. This update resolves cold start injection pulse performance issues.
2021-2024 Jeep Wrangler Suspected Engine Coolant Leak TSB
This manufacturer communication, TSB S2307000002 Rev. A, addresses customer complaints of coolant odor or fluid leakage under 2021-2024 Jeep Wrangler vehicles. It outlines a detailed inspection process using a pressurized coolant system test and UV light to identify the source of suspected engine…
2023 Jeep Wrangler PCM Software Update for MIL and DTCs
This Technical Service Bulletin (TSB 18-041-24) addresses Malfunction Indicator Lamp (MIL) illumination and specific Diagnostic Trouble Codes (DTCs) in 2023 Jeep Wrangler vehicles. The issue is caused by Powertrain Control Module (PCM) software, and the fix involves reprogramming the PCM with…
2023 Jeep Wrangler Swing Gate Air Compressor Repair
FCA US has issued Customer Satisfaction Notification 29B for certain 2023 Jeep Wrangler (JL) vehicles. This addresses an issue where the swing gate air compressor may be inoperative due to incorrect wiring or loose bolts. Repairs involve inspecting and correcting wiring, applying Thread Loc, and…
2022-2023 Jeep Wrangler Performance Limited Fuel System TSB
This Technical Service Bulletin (TSB) 08-106-24 REV. B addresses instances where 2022-2023 Jeep Wrangler vehicles display a "Performance Limited Fuel System" message without any diagnostic trouble codes (DTCs). The issue is caused by a cooling system hose clamp contacting the High Pressure Fuel…
2021-2022 Jeep Wrangler Coolant Leak Notification ZD8
FCA has issued Customer Satisfaction Notification ZD8 for 2021-2022 Jeep Wrangler vehicles equipped with 2.0L engines. Loose coolant inlet tube fasteners can cause a coolant leak, potentially leading to engine overheating and failure. This notification outlines the repair process, which involves…
2021-2024 Jeep Wrangler/Gladiator Water Leak TSB
A technical service bulletin, S2423000029, has been issued for 2021-2024 Jeep Wrangler and Gladiator models regarding water leaks near the front bulkhead or cowl area on the driver's side. This TSB provides a repair procedure to install a missing plug, resolving the issue of wet carpets.
2024 Jeep Wrangler Jack Kit Spacer Missing CSN 48B
FCA US LLC has issued Customer Satisfaction Notification 48B for approximately 8,500 2024 Jeep Wrangler vehicles where the Jack Kit Spacer may not have been installed. This notification details the repair procedure and how owners can get their vehicle serviced free of charge.
2024 Jeep Wrangler Radio Blank Screen TSB
This manufacturer communication, TSB 11001006, addresses customer concerns regarding a blank radio screen or the radio cutting in and out in 2024 Jeep Wrangler and Gladiator models. Owners experiencing these electrical system symptoms should consult their dealership for diagnosis and repair.
2021-2024 Jeep Ram RKE Button Functions Not Working TSB
Owners of 2021-2024 Jeep, Ram, and Dodge vehicles may experience Remote Keyless Entry (RKE) button functions not working or intermittent response. Technical Service Bulletin S2408000015 Rev. B provides diagnostic steps and potential fixes, including checking for specific DTCs.
2021-2024 Jeep Wrangler/Gladiator Power Steering Assist Loss TSB
This manufacturer communication, TSB S2208000063 Rev. A, addresses the loss of power steering assist and diagnostic trouble code U0131 in 2021-2024 Jeep Wrangler and Gladiator vehicles. The issue is often linked to a faulty ground wire connection for the Electro Hydraulic Power Steering Control…
2021-2023 Jeep Wrangler/Gladiator Axle Locker Sensor Repair
For 2021-2023 Jeep Wrangler and Gladiator vehicles experiencing an Axle Locker Sensor failure, manufacturer communication 9100010 advises against replacing the entire axle assembly. Instead, a specific sensor repair kit (part number 68544629A$) should be used for M210 and M220 Tru-Lok axles.
2021-2024 Jeep/RAM/Dodge Alternator Charging Issue TSB
A manufacturer communication, TSB 9100338, addresses alternator low voltage and charging system concerns in various 2021-2024 Jeep, RAM, and Dodge models. This document outlines a detailed diagnostic procedure to identify the root cause before replacing the alternator.
2021-2024 Jeep/Ram/Dodge Transmission Valve Body Procedure
Manufacturer Communication 9100344 highlights the importance of a clutch pressure check before replacing the transmission valve body and control unit in various 2021-2024 Jeep, Ram, and Dodge models. This ensures proper diagnosis and effective repairs.
2021-2024 Jeep Wrangler/Gladiator Headlamp Part Return
Jeep has issued a manufacturer communication (NHTSA ID 11000168) for 2021-2024 Jeep Wrangler and Gladiator vehicles concerning specific headlamp part numbers. Dealers are instructed to identify and return suspect headlamp stock built before June 30, 2023, by May 27, 2024.
2021-2024 Jeep/Dodge/RAM 3.6L Pentastar Coolant Leak TSB
This manufacturer communication, TSB 9100337, addresses suspected coolant leaks in 2021-2024 Jeep, Dodge, and RAM vehicles equipped with the 3.6L Pentastar engine. It provides critical inspection instructions to prevent unnecessary water pump replacements, guiding technicians through proper…
2022 Jeep Wrangler Radio Wi-Fi Inoperative TSB
A new Firmware Over The Air (FOTA) update, QR40.12, is available for 2021-2023 Jeep, Dodge, and RAM vehicles to address issues with inoperative mobile Wi-Fi and 'No Internet' messages from the hotspot. This update supersedes QR39.82F and is expected to launch February 19, 2024.
2021-2023 Jeep Wrangler / Gladiator Service Axle Locker TSB
A manufacturer communication (NHTSA ID 10251863) addresses Malfunction Indicator Lamp (MIL) illumination and the 'Service Axle Locker' message in 2021-2023 Jeep Wrangler and Gladiator vehicles, often accompanied by DTC C1451-11 related to the axle sensor kit.
2021-2023 Jeep/Dodge/RAM Wi-Fi Hotspot Inoperative Software Update
If your 2021-2023 Jeep, Dodge, or RAM vehicle's mobile Wi-Fi is inoperative or shows a 'No Internet' message, a software update from QR39.5 to QR40.11 is available. This technical service bulletin (NHTSA ID 10251870) addresses the connectivity issue via an Over-The-Air update.
2021-2023 Jeep/Dodge/RAM Wi-Fi Hotspot Update
Owners of certain 2021-2023 Jeep, Dodge, and RAM vehicles may encounter issues where the mobile Wi-Fi is inoperative or the hotspot displays a 'No Internet' message. This is addressed by a Firmware Over The Air (FOTA) update to radio software version QR40.12, detailed in TSB 10251867.
2023-2024 Jeep Wrangler Horn Inoperative TSB
A manufacturer communication, NHTSA ID 10251865, addresses issues with the horn in 2023-2024 Jeep Wrangler and 2023 Jeep Gladiator vehicles. Owners may find their horn is inoperative, produces a very low sound, or is physically disassembling.
2021-2024 Jeep Headlamp Condensation TSB
Some 2021-2024 Jeep and RAM vehicles may experience light condensation inside the headlamp assemblies. This manufacturer communication (TSB 10251854) outlines the procedure for clearing this condensation, assuring owners that it is often a normal condition.