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.
S'applique également à
- Jeep Gladiator
- 2021–2023
- Jeep Wrangler
- 2022–2023
Owners of 2021-2023 Jeep Wrangler and Gladiator vehicles may encounter a specific issue related to their axle locker system. This problem is identified by a Malfunction Indicator Lamp (MIL) illuminating on the dashboard and a `
Frequently Asked Questions
- What does the 'Service Axle Locker' message mean in my Jeep?
- The 'Service Axle Locker' message displayed in your Electronic Vehicle Information Center (EVIC) indicates a potential issue with your vehicle's axle locker system. This is often accompanied by a Malfunction Indicator Lamp (MIL) illumination and Diagnostic Trouble Code (DTC) C1451-11.
- What is DTC C1451-11 and how is it related to the axle locker system?
- DTC C1451-11, specifically 'Service Axle Locker System', is a diagnostic trouble code that technicians may find when investigating a Malfunction Indicator Lamp (MIL) or 'Service Axle Locker' message. This code points to a fault within the system, often related to the Front and Rear Axle Sensor Kit.
- Which Jeep models are affected by the Service Axle Locker issue?
- This issue, including the 'Service Axle Locker' message and DTC C1451-11, primarily affects 2021-2023 Jeep Wrangler and Jeep Gladiator vehicles. A manufacturer communication (NHTSA ID 10251863) has been issued to address this condition.
- What is the likely cause of the 'Service Axle Locker' warning?
- According to the manufacturer communication, the condition is often linked to the Front and Rear Axle Sensor Kit. A malfunction in this kit can trigger the Malfunction Indicator Lamp and the 'Service Axle Locker' message, setting the C1451-11 DTC.
What Jeep Wrangler owners report
Counted from the records in our database across 41 model years.
- 18,838
- Owner complaints
- 104
- Recalls
- 2,758
- Service bulletins
- 572
- Crashes reported
- 552
- Fires reported
- 435
- Injuries reported
The 2021 model year
963 complaints, the 5th most of 41 model years on file. Owners reported 21 crashes, 27 fires and 15 injuries for this year, which also has 17 recalls on file.
Exterior Lighting and Back Over Prevention, the system this article covers, accounts for 242 of 18,838 complaints (1%), including 8 for 2021.
Complaints by model year
| 2006 | 730 | |
|---|---|---|
| 2007 | 1,750 | |
| 2008 | 1,904 | |
| 2010 | 686 | |
| 2012 | 836 | |
| 2014 | 658 | |
| 2018 | 1,827 | |
| 2019 | 747 | |
| 2021 | 963 | |
| 2024 | 970 |
Most-reported systems
- Steering — 3,929
- Electrical System — 3,613
- Power Train — 2,470
- Engine — 2,406
- Fuel System — 2,015
Latest recalls for the 2021 model year
- 26V363000 — Steering (Jun 2026) — Park outside
- 25V741000 — Electrical System (Oct 2025) — Park outside
- 24V720000 — Electrical System (Sep 2024)
Recent owner reports about exterior lighting and back over prevention
The backup lights are no where near bright enough to safely backup at night. There is no easy way to upgrade the bulbs. This is a well know issue in the Jeep community with Wranglers.
Read owner complaints →JL Wrangler equipped with LED headlight and fog light. When drive in snowstorm, snow quickly cover up headlight and fog light due to not enough heat generated from headlight fog light.
Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.
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