# Service bulletin KC\-2043

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: 10206237
- Published by NHTSA: 2022\-01\-08
- Manufacturer's number: KC\-2043
- Manufacturer's date: 2021\-12\-20
- NHTSA component: ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

Engine Control Module \(EMS\) Software \(MSW\) Information \- Improvement List, November 2021 \- US21\+OBD2020 Emissions

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206237-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206237-9999.pdf)

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

## Components

Electrical system, Engine, Engine control module, Software

## Vehicles listed

- 2021 MACK ANTHEM \(AN\)
- 2021 MACK GRANITE \(GR\)
- 2021 MACK GRANITE \(GU\)
- 2021 MACK LR
- 2021 MACK MD
- 2021 MACK PINNACLE \(CHU\)
- 2021 MACK PINNACLE \(CXU\)
- 2021 MACK PINNACLE \(PI/PN\)
- 2021 MACK TE
- 2021 MACK TERRAPRO \(MRU\)

## Recalls for the same vehicles and component

- [24V792000](/recalls/nhtsa/24V792000.md), 2024-10-23: ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

## Other bulletins for the same vehicles and component

- [KC\-2043 Rev 4](/bulletins/10238826.md), 2023-07-06, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); ELECTRICAL SYSTEM. Engine Control Module \(EMS\) Software \(MSW\) Information \- Improvement List, Through June 2023 \- US21\+OBD2020 Emissions
- [KC\-355](/bulletins/10207368.md), 2022-02-04, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Diagnostic Trouble Code \( DTC \) P0422 Lighting The Malfunction Indicator Light \( MIL \) \- US17 \(GHG17\), Common Rail Fuel System ONLY
- [KC\-130](/bulletins/10203132.md), 2021-11-05, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); FUEL SYSTEM, OTHER. Air In The Fuel System Tests, Common Rail Fuel System \- US17\+OBD16 and Newer Emissions
- [SNM21\-006](/bulletins/10203008.md), 2021-11-04, Service bulletin: COMMUNICATION:MANUFACTURER TELEMATICS; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. Remote Software Downloads

JSON: [/v1/bulletins/10206237](/v1/bulletins/10206237)

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