# Service bulletin TSB 21\-2295

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: 10202699
- Published by NHTSA: 2021\-11\-02
- Manufacturer's number: TSB 21\-2295
- Manufacturer's date: 2021\-10\-08
- NHTSA component: EQUIPMENT; SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE; EQUIPMENT ADAPTIVE/MOBILITY

## NHTSA's summary

Some 2021 F\-150 vehicles built on or before 14\-June\-2021 may exhibit a rubbing noise at the front of the vehicle while driving and/or diagnostic trouble codes \(DTC\) C0031 and/or C0034 in the anti\-lock brake system \(ABS\) module. This may be caused by an incorrectly routed front brake flexible hose. To correct the condition, follow the Service Procedure to inspect the front brake flexible hose routing.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10202699-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10202699-9999.pdf)

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

## Components

Brakes, Equipment and accessories, Anti\-lock brakes

## Trouble codes named

C0031, C0034

## Vehicles listed

- 2021 FORD F\-150

## Other bulletins for the same vehicles and component

- [SSM 50202](/bulletins/10202631.md), 2021-10-29, Service bulletin: SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. Some 2021 F\-150 vehicles may experience an illuminated anti\-lock brake system \(ABS\) indicator in the instrument panel cluster \(IPC\) with diagnostic trouble code \(DTC\) U3000:48 stored in the ABS module. The U3000:48 DTC in the ABS module typically sets in conjunction with various chassis DTCs. When addressing related ABS concerns, all chassis DTCs are to be diagnosed and resolved first using Workshop Manual \(WSM\), Section 206\-09, before attempting to diagnose and resolve any network communication DTCs.

JSON: [/v1/bulletins/10202699](/v1/bulletins/10202699)

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