WenmarOpen by Wenmar Pro

Service bulletin KC-247

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 id10206137
Published by NHTSA2022-01-06
Manufacturer's numberKC-247
Manufacturer's date2021-12-15
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Mack Chassis - Diagnostic Trouble Codes ( DTC's ) P24A0 And P249F Lighting The Malfunction Indicator Lamp ( MIL ) - US14+OBD15, US14+OBD16 (Common Model Years 2016 And 2017), US17+OBD16 And Newer ( Common Rail Fuel System, Model Year 2018)

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, Engine, Engine control module, Software

Trouble codes named

P249F, P24A0

Vehicles listed
MACK ANTHEM (AN)2016 to 2017
MACK ANTHEM (AN)2018 (the catalog's model; the bulletin names a series or trim of it)
MACK CHU2016 to 2018
MACK CXU2016 to 2018
MACK GRANITE (GR)2016
MACK GRANITE (GR)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK GRANITE (GU)2016
MACK GRANITE (GU)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK GU2016 to 2018
MACK LEU2016 to 2017
MACK LR2016, 2017, 2018
MACK LR62016
MACK MRU2016 to 2018
MACK PINNACLE (CHU)2016
MACK PINNACLE (CHU)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (CXU)2016
MACK PINNACLE (CXU)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK PINNACLE (PI/PN)2018 (the catalog's model; the bulletin names a series or trim of it)
MACK TD2016 to 2018
MACK TERRAPRO (LEU)2016
MACK TERRAPRO (LEU/MRU)2016
MACK TERRAPRO (LEU/MRU)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (MRU)2016
MACK TERRAPRO (MRU)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK TERRAPRO (TE)2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
MACK TITAN (TD)2016 to 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-6852022-06-07. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P0128, Diagnostic And Repair - US14 +OBD15, Common Model Year 2016
KC-2472022-04-06. Service bulletin. Mack Chassis - Diagnostic Trouble Codes ( DTC's ) P24A0 And P249F Lighting The Malfunction Indicator Lamp ( MIL ) - US14+OBD15, US14+OBD16 (Common Model Years 2016 And 2017), US17+OBD16 And Newer ( Common Rail Fuel System, Model Year 2018)
KC-2242022-04-06. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P226D Intermittently Lighting The Malfunction Indicator Lamp ( MIL ) - US14+OBD15 And US14+OBD16 Emissions (Non-Common Rail Fuel System), Commonly Model Years 2015 and 2016
KC-3552022-02-04. Service bulletin. Diagnostic Trouble Code ( DTC ) P0422 Lighting The Malfunction Indicator Light ( MIL ) - US17 (GHG17), Common Rail Fuel System ONLY
KC-3142022-02-04. Service bulletin. On-Highway Vehicles With 2018 Interior Update - Enabling Traffic Sign Recognition (TSR) For Bendix 1.0
S76252022-01-07. Service bulletin. PI0889 Differential Lock Engagement Status Alarm Update (2nd Release)
KC-1302021-11-05. Service bulletin. Air In The Fuel System Tests, Common Rail Fuel System - US17+OBD16 and Newer Emissions
KC-1262021-11-05. Service bulletin. Engine Control Module (EMS) Software (MSW) Information - November 2019; Improvement List (Change Log) And Explanations For Issues And Diagnostic Trouble Codes (DTC, Fault Codes) US17+OBD2016 And US17+OBD18 Emissions, Model Years 2018 And 2019
KC-1122021-11-05. Service bulletin. Mack Chassis - Diagnostic Trouble Code ( DTC ) P05EB, Diagnostic And Repair Information - US14+OBD15 And US14+OBD16 (Commonly Model Years 2016 And 2017)
K846823082019-04-22. Service bulletin. Mack Chassis - Theft Deterrent System (TDS) Not Working; TDS Does Not Accept Password, Lockout Prevents Vehicle Operation - Model Years 2018 And 2019