# Service bulletin S7448

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: 10172205
- Published by NHTSA: 2020\-03\-09
- Manufacturer's number: S7448
- Manufacturer's date: 2020\-02\-04
- NHTSA component: ELECTRICAL SYSTEM:IGNITION; EQUIPMENT; ENGINE

## NHTSA's summary

IGNITION CYLINDER REPLACEMENT\-CUMMINS ENGINE

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10172205-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10172205-9999.pdf)

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

## Components

Electrical system, Engine, Equipment and accessories, Ignition

## Vehicles listed

- 2018 to 2020 MACK ANTHEM \(AN\)
- 2018 to 2020 MACK GRANITE \(GR\)
- 2019 to 2020 MACK GRANITE \(GU\)
- 2018 MACK GU

## Other bulletins for the same vehicles and component

- [KC\-282](/bulletins/10206156.md), 2022-01-06, Service bulletin: UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL:ANTI\-THEFT DEVICES; ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:CONTROL MODULE. Mack Chassis \- Theft Deterrent System \(TDS\) Not Working; TDS Does Not Accept Password, Lockout Prevents Vehicle Operation \- Model Years 2018 And 2019
- [K84682308](/bulletins/10158912.md), 2019-04-22, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:CONTROL MODULE; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:ANTI\-THEFT DEVICES. Mack Chassis \- Theft Deterrent System \(TDS\) Not Working; TDS Does Not Accept Password, Lockout Prevents Vehicle Operation \- Model Years 2018 And 2019

JSON: [/v1/bulletins/10172205](/v1/bulletins/10172205)

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