# Service bulletin 9004311

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: 10223889
- Published by NHTSA: 2022\-10\-17
- Manufacturer's number: 9004311
- Manufacturer's date: 2020\-10\-21
- NHTSA component: WHEELS

## NHTSA's summary

SENSOR, Wheel Speed Please call FCA Redacted Content prior to replacing a rear wheel speed sensor for one of the following fault codes: C003A\-1D and or 2F \(right rear wss circuit current out of range or signal erratic\) C0037\-1D and or 2F \(left rear wss circuit current out of range or signal erratic\) If no response in 15 minutes, proceed with repair.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10223889-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10223889-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Wheels

## Trouble codes named

C0037, C003A

## Vehicles listed

- 2020 to 2021 JEEP WRANGLER

## Other bulletins for the same vehicles and component

- [S1819000004 REV.R](/bulletins/11026558.md), 2025-12-11, Service bulletin: WHEELS; STEERING; SUSPENSION. Shimmy Felt In Front End
- [S2422000001 REV.C](/bulletins/11010511.md), 2024-11-13, Service bulletin: WHEELS; ELECTRICAL SYSTEM. Tire Pressure Monitor \(TPM\) Service Information. TPM Lamp On.
- [S2422000002](/bulletins/11007984.md), 2024-09-24, Service bulletin: WHEELS. Low Tire Pressure. Tire Valve Stem And Tire Pressure Monitor \(TPM\) Sensor Service.
- [99659](/bulletins/11006887.md), 2024-09-04, Other: WHEELS. WHEEL \- STEEL
- [9100010](/bulletins/10236800.md), 2023-05-30, Service bulletin: POWER TRAIN; WHEELS. Axle Assembly Do not replace the Axle for Axle Locker Sensor failure. The parts kit \(SENSOR KIT, Axle: 68544629A$\) must be used to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru\-Lok axles \(DSE\).
- [9100010](/bulletins/10225299.md), 2022-10-31, Service bulletin: POWER TRAIN:AXLE ASSEMBLY; WHEELS; BACK OVER PREVENTION. Axle Assembly A parts kit \(SENSOR KIT, Axle: 68544629A$\) is available to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru\-Lok axles \(DSE\). This parts kit must be used when only the Axle Locker Sensor fails. Do not replace the axle for sensor failure.
- [9004465](/bulletins/10222883.md), 2022-10-17, Service bulletin: WHEELS; BACK OVER PREVENTION. AXLE, Service Rear A new parts kit \(SENSOR KIT, Axle: 68544629AA\) is available to repair the Axle Locker Sensor on the 2018 \- 2022 JL/JT equipped with the M210 and M220 Tru\-Lok axles \(DSE\). This new parts kit must be used when only the Axle Locker Sensor fails.
- [2302322](/bulletins/10221498.md), 2022-09-26, Service bulletin: BACK OVER PREVENTION; WHEELS. Red Rust On Rear Bumper Bolts This bulletin includes replacing all four bumper bolts. Customers may comment on the following: Red rust is present on the rear bumper bolts equipped with steel bumpers
- [S2123000004](/bulletins/10215900.md), 2022-07-18, Service bulletin: WHEELS. Front Wheel Well Liner Contacting Tire And Or Loose
- [0810621A](/bulletins/10212494.md), 2022-05-31, Service bulletin: ELECTRICAL SYSTEM; WHEELS; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. 12V Battery Low Charge This bulletin involves testing and possibly replacing the 12V battery. Technicians or customers may experience a Malfunction Indicator Lamp MIL illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes DTCs have been set: U3007\-00 \- Control Module Input Power "B" Circuit/Open. C2100\-00 \- Battery Voltage Low. C05A4\-00 \- Wheel Speed Sensors Supply Circuit Low. C2129\-00 \- Battery Voltage. U3006\-00 \- Control Module Input Power "A" Circuit/Open. B2199\-16 \- Battery Voltage\-Circuit Voltage Below Threshold. B21DD\-84 \- System Voltage\-Signal Below Allowable Range. B2199\-16 \- Battery Voltage\-Circuit Voltage Below Threshold. Technicians or customers may also experience one or more of the following:Depleted 12V battery at delivery to dealer. Vehicle will not start.

JSON: [/v1/bulletins/10223889](/v1/bulletins/10223889)

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