# Service bulletin SB539001

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: 620028
- Published by NHTSA: 2001\-07\-09
- Manufacturer's number: SB539001
- Manufacturer's date: 2001\-03\-20
- Replaces: SB539001
- NHTSA component: SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR

## NHTSA's summary

IN CERTAIN OPERATING CONDITIONS, FAULT CODES FOR EXCESSIVE SPEED SENSOR AIR GAP / SENSOUR OUT OF ADJUSTMENT AT THE REAR DRIVE AXLE MAY BE LOGGED REPEATEDLY ON CHASSIS EQUIPPED WITH S440, S441 OR S462 REAR DRIVE AXLES. \*TT

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Brakes, Anti\-lock brakes, Wheel speed sensor

## Vehicles listed

- MACK MACK

JSON: [/v1/bulletins/620028](/v1/bulletins/620028)

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