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Service bulletin CBR-399 202310

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 id10244808
Published by NHTSA2023-11-03
Manufacturer's numberCBR-399 202310
Manufacturer's date2023-10-19
NHTSA componentELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

NHTSA's summary

CBR: Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information Display (DID) - Model Year 2018 And Newer With New Style Instrument Cluster

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, Instrument cluster

Vehicles listed
MACK ANTHEM (AN)2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
MACK CHU2018
MACK CXU2018
MACK GRANITE (GR)2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
MACK GRANITE (GU)2018, 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
MACK GU2018
MACK LR2018, 2019, 2020, 2021, 2022, 2023, 2024
MACK MRU2018
MACK PINNACLE (CHU)2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (CXU)2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (PI/PN)2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
MACK TD2018 to 2019
MACK TE2019 to 2021
MACK TERRAPRO (LEU/MRU)2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (MRU)2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (TE)2018 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (TE)2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
MACK TITAN (TD)2018

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

Other bulletins for the same vehicles and component
KC-3542022-02-04. Service bulletin. Volvo Chassis - Certain Volvo Trucks Built After January 11, 2016 May Experience an Issue with the Instrument Cluster Display
S76252022-01-07. Service bulletin. PI0889 Differential Lock Engagement Status Alarm Update (2nd Release)
K151941272019-02-19. Service bulletin. Mack Chassis - Fault Code SID 158 FMI 0 Logging In Instrument Cluster ( MID 140, IC ), No Code Description Or Diagnostic Information
K934821412018-10-15. Service bulletin. Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information Display (DID) - Model Year 2018 And Newer With New Style Instrument Cluster
K954220632018-03-12. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P2459 Lighting The Malfunction Indicator Lamp ( MIL ); Possible Frequent Regeneration Requests - OBD15 And Newer Chassis
K860946412018-03-12. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P226C Intermittently Lighting The Malfunction Indicator Lamp ( MIL ) - OBD15 And OBD16 Conventional Chassis.Updated to reflect release of FSB284-064 (Above)
K427083992018-03-12. Service bulletin. Diagnostic Trouble Code ( DTC ) P0422 Lighting The Malfunction Indicator Light ( MIL ) - OBD15 And OBD16 Chassis (Non-Common Rail).Updated to reflect release of FSB284-064 (Above)