# Service bulletin K56735181

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: 10174743
- Published by NHTSA: 2020\-05\-06
- Manufacturer's number: K56735181
- Manufacturer's date: 2020\-04\-27
- NHTSA component: SERVICE BRAKES, AIR

## NHTSA's summary

\(Back Office\) Mack Chassis \- Grade Gripper Reactivates After Timeout With Brake Pedal Released \- Vehicles Manufactured Prior To 2018

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174743-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174743-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2017 MACK ANTHEM \(AN\)
- 2018 MACK ANTHEM \(AN\)
- 2012 to 2018 MACK CHU
- 2012 to 2018 MACK CXU
- 2016 MACK GRANITE \(GR\)
- 2017 to 2018 MACK GRANITE \(GR\)
- 2012 to 2016 MACK GRANITE \(GU\)
- 2017 to 2018 MACK GRANITE \(GU\)
- 2018 MACK PINNACLE \(PI/PN\)

## Recalls for the same vehicles and component

- [19V107000](/recalls/nhtsa/19V107000.md), 2019-02-21: SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK

## Other bulletins for the same vehicles and component

- [CBR 407 072025](/bulletins/11021333.md), 2025-08-04, Service bulletin: SERVICE BRAKES; ELECTRICAL SYSTEM. CBR \- To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.
- [CBR\-407 202409](/bulletins/11008366.md), 2024-10-03, Service bulletin: SERVICE BRAKES. CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
- [CBR\-2306 202308](/bulletins/10241916.md), 2023-09-06, Service bulletin: SUSPENSION; SERVICE BRAKES, AIR; ELECTRICAL SYSTEM. CBR: Lift Axle Lowers During An Anti\-lock Braking System \(ABS\)Breaking Event Or When Weight Is Added To The 5th Wheel/Rear Suspension\- AN Model
- [SLM22\-004](/bulletins/10211065.md), 2022-05-06, Service bulletin: SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT; STEERING. Service Literature Published and Released in April, 2022
- [KC\-2061](/bulletins/10209950.md), 2022-04-05, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES, AIR. Mack Chassis \- Anthem \(AN\) And Pinnacle \(PI\) \- ABS Modulator Wiring Rubbing Front Shock
- [KC\-361](/bulletins/10207035.md), 2022-02-04, Service bulletin: SERVICE BRAKES, AIR. Mack Chassis \- Drive Axle Brake Chamber Rubbing Frame Or Brake Drum \- Vehicles Built Between 7 July 2014 And 23 August 2019
- [KC\-286](/bulletins/10206158.md), 2022-01-06, Service bulletin: SERVICE BRAKES, AIR; UNKNOWN OR OTHER. Mack Chassis \- FSB 563\-008 Plugs, Pressure Protection Manifold \- New Brass Plugs For Noregon Pressure Protection Manifold \(PPM\)
- [KC\-215](/bulletins/10206118.md), 2022-01-06, Service bulletin: POWER TRAIN; PARKING BRAKE. Mack Chassis \- Granite \(GR\) Models Equipped With An Allison Transmission And Split Box PTO \- "Release Parking Brake" Message Present In Instrument Cluster When Parking Brake Is Released \- Model Year 2018 And Newer
- [KC\-2024](/bulletins/10178021.md), 2020-08-05, Service bulletin: SERVICE BRAKES, AIR. Mack Chassis \- Bendix ABS Fault SPN 807 FMI 13 Blink code 19\-4
- [K74253535](/bulletins/10171614.md), 2020-02-24, Service bulletin: POWER TRAIN; PARKING BRAKE. Mack Chassis \- Granite \(GR\) Models Equipped With An Allison Transmission And Split Box PTO \- "Release Parking Brake" Message Present In Instrument Cluster When Parking Brake Is Released \- Model Year 2018 And Newer

JSON: [/v1/bulletins/10174743](/v1/bulletins/10174743)

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