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Service bulletin CBR-2356 202403

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10252311
Published by NHTSA2024-04-02
Manufacturer's numberCBR-2356 202403
Manufacturer's date2024-03-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

CBR: After cluster replacement and programming, the Driver Information Display (DID) may not function as designed.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
MACK ANTHEM (AN)2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
MACK GRANITE (GR)2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
MACK GRANITE (GU)2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (CHU)2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (CXU)2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (PI/PN)2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
25V3820002025-06-10. ELECTRICAL SYSTEM:12V/24V/48V BATTERY
24V7920002024-10-23. ELECTRICAL SYSTEM:SOFTWARE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
CBR 159 2026082026-09-01. Service bulletin. Mack Trucks Equipped With A Cummins Engine - Engine Preheat Icon Does Not Illuminate In The Instrument Cluster (IC) During Engine Pre-heat (Intake Air Heater) Operation - Vehicles With 2018Instrument Cluster Update, Model Year2018 And Newer
CBR 2712-7 0320262026-04-02. Service bulletin. CBR - No Start Condition After Over the Air Programing.
CBR 2128-7 2026012026-02-03. Service bulletin. CBR - Engine Control Module (EMS) Software Information - Improvement List (Change Log), US21+OBD2021 Emissions ONLY
S4270 2025122026-01-06. Service campaign. SC - Electric Exhaust Heater Control Unit Update
CBR 2495-4 2025112025-12-03. Service bulletin. CBR - Carb 24 Phase 1 - 48V Diagnostics Guide.
CBR 2171-11 2025112025-12-03. Service bulletin. CBR - Mack Temperature Sensor Troubleshooting Guide
CBR 2495 0920252025-10-01. Service bulletin. The purpose of the 48V EATS heater system is to provide additional heat to the exhaust stream allowing the EATS to become active earlier during acold start and during engine operation that produces low exhaust gas temperatures.
CBR 2172-5 0820252025-09-02. Service bulletin. CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job ends in a Critical failure, the vehicle will remain in Safe State.
CBR 407 0720252025-08-04. Service bulletin. CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.
CBR 2488 0720252025-08-04. Service bulletin. CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.