# Service bulletin 05\-003\-25

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: 11020721
- Published by NHTSA: 2025\-07\-17
- Manufacturer's number: 05\-003\-25
- Manufacturer's date: 2025\-07\-11
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

Incorrectly Routed Wheel Speed Sensor Wiring Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code \(DTC\): ● C0031\-1D \- Left Front Wheel Speed Sensor \- Circuit Current Out Of Range. Customers may comment on one or more of the following: ● Brake warning indicator illuminated on the Instrument Panel Cluster \(IPC\). ● Electronic Stability Control \(ESC\) indicator is illuminated. This bulletin involves inspecting the wheel speed sensor wiring routing and correcting the routing as needed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020721-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020721-9999.pdf)

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

## Components

Brakes

## Trouble codes named

C0031

## Vehicles listed

- 2025 RAM 4500
- 2025 RAM 5500

## Other bulletins for the same vehicles and component

- [03D Campaign](/bulletins/11029785.md), 2026-03-05, Other: SERVICE BRAKES; ELECTRICAL SYSTEM. Fleet Campaign Parts Ordering Process \(03D\)
- [110082](/bulletins/11028785.md), 2026-02-12, Service bulletin: SERVICE BRAKES; ELECTRICAL SYSTEM. MODULE \- TRAILER BRAKE \& TOWING CONTROL
- [08\-021\-26](/bulletins/11028220.md), 2026-02-04, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES. Flash: Central ADAS Decision Module \(CADM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set at least one of the following Diagnostic Trouble Codes \(DTCs\): ● C2203\-00 \- Current VIN Missing/Mismatch. ● C008E\-00 \- ECU Internal Performance with Environmental Data Decode Byte: APP\_FATAL\_ERROR\_APP\_CONFIGURATION\_ERROR\_FAULT. Customers may also comment on one or more of the following: ● The Instrument Panel Cluster \(IPC\) is displaying one or more of the following messages: ○ "ACC/FCW Unavailable Service Required". ○ "ACC/FCW Limited Functionality". ○ "Active Lane Management Limited Functionality." ○ "Active Lane Management Unavailable Service Required". ○ "Automatic Emergency Braking \(AEB\) Limited Service Required". ○ "AEB Unavailable Service Required". ○ "Blindspot Detection Unavailable Service Required" ○ "Blindspot Detection Limited Functionality" ● Customer states that the ADAS features are disabled. This bulletin involves reprogramming of the CADM with the latest available software and possibly performing a Forward Facing Camera \(FFC\) Dynamic Service Alignment / Calibration procedure. J08 FSAR\-TSB\-6774 \-2\-
- [S2505000003](/bulletins/11026634.md), 2025-12-17, Service bulletin: SERVICE BRAKES. Diagnostic Trouble Code \(DTC\) C0050\-00\-Brake System Hydraulic Leak Set After Recent Repair.
- [S2508000098](/bulletins/11025035.md), 2025-11-05, Service bulletin: SERVICE BRAKES. Auto Emergency Braking Unavailable/Service Required Message on Cluster
- [S2508000090](/bulletins/11024614.md), 2025-10-29, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES. Brakes Appear to Drag After Setting Trailer Brake Feature in the Radio Settings
- [S2508000075 REV.A](/bulletins/11023626.md), 2025-10-02, Service bulletin: SERVICE BRAKES. Integrated Trailer Brake \(ITB\) Switch Removal
- [S2508000075](/bulletins/11023078.md), 2025-09-10, Service bulletin: SERVICE BRAKES. Integrated Trailer Brake \(ITB\) Switch Removal
- [9100579](/bulletins/11018290.md), 2025-05-14, Service bulletin: SERVICE BRAKES. Parking Brake Pad When replacing the park brake pedal pad, please use the correct labor operation code. Some technicians have been using the brake pedal pad labor code which is not the same as the parking brake pedal pad. The correct labor operation code should be for parking brake pedal pad replacement is 05\-05\-06\-01.

JSON: [/v1/bulletins/11020721](/v1/bulletins/11020721)

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