# Service bulletin KC\-2131 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: 10213633 - Published by NHTSA: 2022\-06\-07 - Manufacturer's number: KC\-2131 - Manufacturer's date: 2022\-05\-26 - NHTSA component: ENGINE AND ENGINE COOLING ## NHTSA's summary USE FOR NEW VEHICLES \(US21\+OBD22 Emissions\) \- Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213633-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213633-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine ## Trouble codes named U029D, U029E, U02A3 ## Vehicles listed - 1974 to 1977 MACK ALL W MODELS - 1985 to 1990 MACK ALL W/FAW617 FRONT AXLE - 2016 to 2017 MACK ANTHEM \(AN\) - 2018 to 2022 MACK ANTHEM \(AN\) - MACK ASET - 1965 to 1967 MACK B - 1964 to 1971 MACK C - 1964 to 1980 MACK CF - 1981 to 1992 MACK CF - MACK CH - 1987 to 2005 MACK CH - 2006 to 2007 MACK CH - 1989 MACK CH SERIES - 1989 MACK CH600 - 1995 to 1997 MACK CH600 - 2001 MACK CH600 - 1996 to 1998 MACK CH612 - 1993 to 1994 MACK CH613 - 1996 to 1998 MACK CH613 - MACK CHK SERIES - 2002 to 2008 MACK CHN - 1987 to 1992 MACK CHR - MACK CHU - 2006 to 2018 MACK CHU - 2008 MACK CHU612 - 2008 MACK CHU613 - 2010 MACK CHU613 - 2010 MACK CHU614 - MACK CL - 1987 to 2008 MACK CL - 2000 MACK CL713 - 2000 MACK CL733 - MACK CLASS 6 - MACK CLASS 7 - MACK CLASS 8 - 1987 to 1988 MACK CLASS 8 - 1987 to 1988 MACK CM400 - 2010 to 2012 MACK CMH - 2010 to 2013 MACK CMM - 1996 to 1998 MACK CONQUEST - MACK CRD SERIES - MACK CRD112/113 - MACK CRD200 - MACK CRD92/93 - 1985 to 1986 MACK CS 200 - 1994 MACK CS 200 - 1985 to 1987 MACK CS 200P - 1985 to 1986 MACK CS 250 - 1994 MACK CS 250 - 1985 to 1987 MACK CS 250P - MACK CS 300 - 1985 to 1986 MACK CS 300 - MACK CS 300P - 1988 MACK CS 300P - 1988 MACK CS 300T - MACK CS SERIES - 2004 to 2008 MACK CT - 2008 MACK CT713 - 2006 to 2008 MACK CTP - MACK CV - 1998 to 2008 MACK CV - 2002 to 2003 MACK CV500 - 2006 to 2007 MACK CV713 - MACK CX - 1998 to 2007 MACK CX - 2001 to 2003 MACK CX613 - 2002 to 2008 MACK CXN - 2006 to 2008 MACK CXP - MACK CXU - 2006 to 2018 MACK CXU - 2008 MACK CXU612 - 2010 to 2011 MACK CXU612 - 2008 MACK CXU613 - 2010 MACK CXU613 - 2010 MACK CXU613E - 2010 MACK CXU614 - MACK DM - 1965 to 1979 MACK DM - 1987 to 1995 MACK DM - 1998 to 2006 MACK DM - MACK DM SERIES - 1980 to 1981 MACK DM SERIES - 1983 to 1984 MACK DM SERIES - 1987 to 1989 MACK DM SERIES - MACK DM400 - 1971 to 1972 MACK DM400 - 1975 to 1976 MACK DM400 - 1999 MACK DM6 - 2003 MACK DM6 - MACK DM600 - 1971 to 1972 MACK DM600 - 1975 to 1976 MACK DM600 - 2002 MACK DM600 - 1972 MACK DM6116S - 1972 MACK DM6856S - 1972 MACK DM6858S - 1968 to 1969 MACK DM800 - MACK DM807 - MACK DM809 - MACK DM811 - 1974 MACK DM886 - 1972 to 1980 MACK DMM - 1981 to 1992 MACK DMM - 2000 to 2001 MACK DMM - 2003 MACK DMM - MACK DMM SERIES - 1980 MACK DMM SERIES - 1981 MACK DMM SERIES - 1987 to 1988 MACK DMM SERIES - MACK E6 - MACK E7 - 1965 to 1979 MACK F - MACK F SERIES - 1968 to 1976 MACK F SERIES - 1978 to 1982 MACK F SERIES - 1969 to 1972 MACK F795 - 1974 MACK F795ST - 1969 to 1972 MACK F797 - 1968 to 1976 MACK FAP - 1968 to 1976 MACK FC - 1968 to 1976 MACK FCA - 1999 to 2002 MACK FCM7133 - 2004 MACK FCM7133 - 1968 to 1976 MACK FCS - MACK FDM - 1987 to 1993 MACK FDM - 1996 to 1997 MACK FDM - 1996 to 1998 MACK FDM7133R - 1982 to 1987 MACK FIRE TRUCK - 1966 to 1977 MACK FL - 1970 to 1974 MACK FL795 - 1970 to 1974 MACK FL797 - 1979 MACK FM - 1978 to 1982 MACK FM SERIES - MACK FREEDOM - 1966 to 1977 MACK FS - 1970 to 1974 MACK FS795 - 1970 to 1974 MACK FS797 - 1978 to 1979 MACK FWS - 2018 to 2023 MACK GRANITE \(GR\) - 2007 to 2016 MACK GRANITE \(GU\) - 2017 MACK GRANITE \(GU\) - MACK GU - 2006 to 2018 MACK GU - 2006 to 2007 MACK GU7 - 2008 MACK GU713 - 2010 MACK GU713 - 2006 to 2007 MACK GU8 - 2010 MACK GU812E - 2008 MACK GU813 - 2010 MACK GU813 - 2010 MACK GU813E - 2010 MACK GU814 - 1972 to 1977 MACK HMM - 1973 to 1977 MACK HMM6856S - MACK J\-TECH - MACK LE - 1995 to 2007 MACK LE - 2007 to 2017 MACK LEU - 1968 to 1969 MACK LL - MACK LR - 2010 to 2014 MACK LR - 2015 to 2022 MACK LR - 2020 to 2023 MACK LR ELECTRIC - 2011 to 2016 MACK LR6 - MACK M35AK - MACK M65BX - MACK MACK - 1955 to 1999 MACK MACK - 2001 MACK MACK - 1965 to 1979 MACK MB - MACK MB SERIES - 1968 MACK MB SERIES - 1978 to 1982 MACK MB SERIES - 1969 to 1971 MACK MB400 - 1969 to 1971 MACK MB600 - 1977 to 1979 MACK MC - 1987 to 1992 MACK MC - 1978 to 1984 MACK MC SERIES - MACK MC400 - MACK MC600 - 1979 to 1981 MACK MC600 - 1982 to 1984 MACK MC606 - 2020 to 2022 MACK MD - MACK MH - 1981 to 1993 MACK MH - 1987 to 1992 MACK MHR - 1983 to 1985 MACK MID\-LINER - 1990 MACK MID\-LINER - MACK MIDLINER - 1986 to 1989 MACK MIDLINER - 1998 to 1999 MACK MIDLINER - MACK MIDR - MACK MILITARY VEHICLE - MACK MR - 1977 to 1979 MACK MR - 1987 to 2007 MACK MR - MACK MR SERIES - 1978 to 1982 MACK MR SERIES - 1987 MACK MR SERIES ## Recalls for the same vehicles and component - [2000248](/recalls/tc/2000248.md), 2000-10-26: Engine - [98V179000](/recalls/nhtsa/98V179000.md), 1998-08-03: ENGINE AND ENGINE COOLING:COOLING SYSTEM - [1993125](/recalls/tc/1993125.md), 1993-09-13: Engine - [93V137000](/recalls/nhtsa/93V137000.md), 1993-08-20: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN - [88V161000](/recalls/nhtsa/88V161000.md), 1988-10-18: ENGINE AND ENGINE COOLING:ENGINE ## Other bulletins for the same vehicles and component - [CBR 820\-9 202601](/bulletins/11028051.md), 2026-02-03, Service bulletin: ENGINE; VEHICLE SPEED CONTROL. CBR \- Mack Chassis \- Engine Brake Only Works With The Brake Pedal, No Function During Cruise. US07 And Newer Emissions, Model Year 2008 And Newer. - [S7627](/bulletins/10232613.md), 2023-03-07, Service bulletin: ENGINE AND ENGINE COOLING. Mack MMD Alternator Pulley - [KC\-2248](/bulletins/10232599.md), 2023-03-07, Service bulletin: POWER TRAIN; ENGINE AND ENGINE COOLING. Flywheel Housing Thread Repair - [M\-251\-008](/bulletins/10225632.md), 2022-11-03, Service bulletin: ENGINE AND ENGINE COOLING. 2008 document reformated to be published as a TSB in Impact. Intake mounting hardware. - [M\-265\-002](/bulletins/10222608.md), 2022-10-06, Service bulletin: ENGINE AND ENGINE COOLING. TSB\-Charge Air Cooler t\-clamp install. - [M\-263\-003](/bulletins/10219108.md), 2022-09-01, Service bulletin: ENGINE AND ENGINE COOLING. 2009 Document reformatted to be published as a TSB in Impact. Fan Drive Belt Replacement MP7 Engine - [M\-258\-006](/bulletins/10219104.md), 2022-09-01, Service bulletin: ENGINE AND ENGINE COOLING. 2009 Document reformatted to be published as a TSB in Impact. DRV Air Line Service Kit - [KC\-2112](/bulletins/10215315.md), 2022-07-05, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING. Programming Failure \- Chassis With Cummins Engine And An Allison Transmission - [KC\-750](/bulletins/10215287.md), 2022-07-05, Service bulletin: ENGINE AND ENGINE COOLING. US10 Emission Engines \- Diagnostic Trouble Code \( DTC \) SPN 1231 FMI 9 Troubleshooting. - [KC\-663](/bulletins/10213658.md), 2022-06-07, Service bulletin: ENGINE AND ENGINE COOLING. Emcon \(Spark Assist\) Engine Aftertreatment System Troubleshooting Check Sheet \- US07 Emissions JSON: [/v1/bulletins/10213633](/v1/bulletins/10213633) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20KC-2131&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10213633&vehicle=Service%20bulletin%20KC-2131)