Vehicle report

2012 MACK CMH

Compare every MACK CMH yearNHTSA and EPA records

Service bulletins

64 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

CBR-2350 202402

Service Bulletin/Repair Instructions

CBR -Telematics Gateway (TGW) Connect Ability Issues

CBR-202 202402

Service Bulletin/Repair Instructions

CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.

CBR-2347 202402

Service Bulletin/Repair Instructions

CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).

M-465-001 202311

Service Bulletin/Repair Instructions

TSB: Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family carriers. The new HD shaft went into production on January 23rd, 2023 for 2.54 - 3.50 axle ratios and April 1st, 2023 for 3.56 - 3.98 ratios. The new HD through shaft is an upgrade over the current standard shaft and can now be used as a replacement part instead of the standard shaft. The new HD shaft has a new design to increase strength, longevity and life over the standard shaft.

M728-005A 202308

Service Bulletin/Repair Instructions

TSB: Barksdale Leveling Valve, Leak Test

SLM23-005

Service Bulletin/Repair Instructions

Service Literature Published and Released in May, 2023

KC-614-Ver4

Service Bulletin/Repair Instructions

CBR: eWarranty To UCHP Labor Code ( SCC Code ) Crossover, Conversion Information For Use With Campaigns ( FI, PI ) And Recalls ( EC, SC ), Location On Trucks Dealer Portal ( TDP )

KC-474-Ver5

Service Bulletin/Repair Instructions

CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19

M-265-002

Service Bulletin/Repair Instructions

TSB-Charge Air Cooler t-clamp install.

KC-750

Service Bulletin/Repair Instructions

US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.

KC-751

Service Bulletin/Repair Instructions

Vehicles Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F ) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer.

KC-745

Service Bulletin/Repair Instructions

Automated Manual Transmission ( AMT ) I-Shift / mDRIVE - Ribbon Harness Replacement - Speed Sensor Bolts, Possible Fault Codes P1058 - 21 Or MID 130 PID 161 FMI 1

KC-2112

Service Bulletin/Repair Instructions

Programming Failure - Chassis With Cummins Engine And An Allison Transmission

KC-2143

Service Bulletin/Repair Instructions

(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).

KC-405

Service Bulletin/Repair Instructions

Warranty Automated Manual Transmission ( AMT, I-Shift, mDrive ) Control Housing Assembly; Guidelines For Filing A Claim For Chassis Return Visit With Transmission Issues After A Repair Requiring Control Housing Removal And Reinstallation - US07 And N.

KC-735

Service Bulletin/Repair Instructions

Premium Tech Tool (PTT) - Message For Data Mismatch, Product Configuration Mismatch; Instruction To Run An Accessory Kit Displayed When Attempting To Run Diagnostics For Diagnostic Trouble Codes (DTC) Or Programming - US10+OBD13 And Newer Emissions,

KC-2116

Service Bulletin/Repair Instructions

NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions.

KC-2158

Service Bulletin/Repair Instructions

Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions.

KC-2165

Service Bulletin/Repair Instructions

DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions.

KC-731

Service Bulletin/Repair Instructions

Mack Chassis - Equipped With An Automated Manual Transmission Model D or F (mDrive, AMT-D, AMT-F) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer

KC-2131

Service Bulletin/Repair Instructions

USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E

KC-2171

Service Bulletin/Repair Instructions

Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer

KC-714

Service Bulletin/Repair Instructions

Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1 Through 6 Injector A Open Circuit

KC-698

Service Bulletin/Repair Instructions

Mack Chassis - Diesel Exhaust Fluid ( DEF ) System Cleaning/Flush After DEF Pump Failure Or System Contamination

KC-699

Service Bulletin/Repair Instructions

Mack Chassis - Bendix Vendor Configuration Program ( VCP ) Software Download Information

KC-686

Service Bulletin/Repair Instructions

(Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP)

KC-663

Service Bulletin/Repair Instructions

Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions

KC-644

Service Bulletin/Repair Instructions

Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors) - US07 And Newer Emissions, Model Year 2008 And Newer

KC-648

Service Bulletin/Repair Instructions

Mack - PTO Pump Speed Calculator

KC-653

Service Bulletin/Repair Instructions

Low Oil Pressure Diagnostic Process For 11 Liter Engines

KC-2169

Service Bulletin/Repair Instructions

Low Voltage Disconnect (LVD), Function Description

KC-2170

Service Bulletin/Repair Instructions

Electronically Controlled Suspension (ECS) Losing Air Pressure

KC-2172

Service Bulletin/Repair Instructions

No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"

KC-2161

Service Bulletin/Repair Instructions

DEF Pump Cycling periodically Hours After Key Off

KC-633

Service Bulletin/Repair Instructions

Mack Chassis - Front Hub With Unit-Bearings ( Unitized Wheel Bearings ), Inspection Information And Guidelines - Commonly Model Year 2008 And Newer

KC-626

Service Bulletin/Repair Instructions

Mack Chassis - Vehicles Equipped With An Automated Manual Transmission Model F ( AMT-F, mDrive ), Premium Tech Tool ( PTT ) Gearbox Calibration Failure; Gearbox Calibration Operation Stops And Fails At 33% When Run With Transmission Removed

KC-627

Service Bulletin/Repair Instructions

Premium Tech Tool ( PTT ) Training Materials And Support Tools

KC-630

Service Bulletin/Repair Instructions

Sensor And Parameter Value Monitor - Template Parameter List For Pre-OBD (9-Pin Diagnostic Connector) Chassis In Premium Tech Tool ( PTT ); Regeneration And Road Test Sensor Monitor Parameters - US07 And US10 Emissions, Model Years 2008 To 2013

KC-2157

Service Bulletin/Repair Instructions

Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions

KC-552

Service Bulletin/Repair Instructions

Aftertreatment Control Module ( ACM ) Diagnostic Trouble Codes ( DTC ) U0001-88 and U0010-88 Lighting The Malfunction Indicator Lamp ( MIL ); Possible Derate Warning â US10 And Newer Chassis

KC-561

Service Bulletin/Repair Instructions

Engine Oil Analysis Specifications - US10 And Newer Emissions

KC-529

Service Bulletin/Repair Instructions

System Date And Time, Information; Diagnostic Tool ( J-Pro, Premium Tech Tool ( PTT ) ) Displays Incorrect Timestamp For Diagnostic Trouble Code ( DTC ) / Fault Code Occurrences, Possible Data Link Codes Present - US07 And Newer Emissions, Common Mod

KC-538

Service Bulletin/Repair Instructions

Regen Fails to Start/Initiate Or Starts And Immediately Stops - US10 And US10+OBD13 Emissions

KC-492

Service Bulletin/Repair Instructions

Diagnostic Trouble Code (DTC) P04DB - Crankcase Ventilation Disconnected; US10+OBD13 To US14+OBD16 Emissions

KC-495

Service Bulletin/Repair Instructions

Intake Pre-heater Electrical Schematics (Diagrams) - US10+OBD13, US14+OBD13 To US14+OBD16 Emissions

KC-402

Service Bulletin/Repair Instructions

Volvo Chassis - Diagnostic Trouble Code (DTC) SA 0 FMI 0 or SPN 0 FMI 0 Present On Fault Code Readout - US10 And Newer Emissions, Model Year 2011 And Newer

KC-404

Service Bulletin/Repair Instructions

Volvo Chassis - Diesel Exhaust Fluid ( DEF ) Contamination In Fuel System, Inspection And Repair - US10 to US14 ( Non-Common Rail Fuel System )

KC-286

Service Bulletin/Repair Instructions

Mack Chassis - FSB 563-008 Plugs, Pressure Protection Manifold - New Brass Plugs For Noregon Pressure Protection Manifold (PPM)

KC-238

Service Bulletin/Repair Instructions

Mack Chassis - Where To Find The Body Builder Portal - Body Builder Manual ( BBM ) Information - US04 And Newer Emissions, Model Year 2008 And Newer

KC-145

Service Bulletin/Repair Instructions

Automated Manual Transmission (AMT) (Spigot Bearing) Input Shaft Repair Kit And Shim Kit, Part Number Information, Reference Guide - US07 And Newer Emissions, Model Year 2008 And Newer

KC-119

Service Bulletin/Repair Instructions

Mack Chassis - Equipped With An Automated Manual Transmission (mDrive, AMT) AMT-C, AMT-D Or AMT-F - Transmission Oil Specifications - Model Years 2010 To 2020

KC-73

Service Bulletin/Repair Instructions

Mack Chassis - Disabling The Driver ID; Removing the Driver ID Prompt - US07 To US14+OBD16 Emissions, Model Years 2008 To 2017

KC-163

Service Bulletin/Repair Instructions

Diesel Fuel Information - Acceptable Biodiesel, Fuel Blend For Summer And Winter - US07 And Newer Emissions, Model Year 2008 And Newer

KC-136

Service Bulletin/Repair Instructions

Aftertreatment Control Module (ACM) Offline/Not Visible/Missing From Control Unit Information in Premium Tech Tool (PTT) - US10+OBD13 And Newer Emissions

KC-124

Service Bulletin/Repair Instructions

Automated Manual Transmission Gearbox Will Not Shift To High Range After Gearbox Repair; MID 130 PSID 24 FMI 1, P1072-92 Unintentional Disengagement Of High Range - US07 And Newer Emissions, Model Year 2008 And Newer

KC-692

Service Bulletin/Repair Instructions

Lighting Control Module ( LCM ) Replacement - Refer To Technical Parts Information ( TPI ) 364 - 034 Control Unit

FSB 491-032

Service Bulletin/Repair Instructions

Transmission Oil Cooler Hose, Replacement

K72614548

Service Bulletin/Repair Instructions

Diagnostic Trouble Code ( DTC ) P02FA Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY

K01050303

Service Bulletin/Repair Instructions

Diagnostic Trouble Code ( DTC ) P0471 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY

K04342327

Service Bulletin/Repair Instructions

Diagnostic Trouble Code ( DTC ) P0420 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY

K58557784

Service Bulletin/Repair Instructions

Fuel Injector Offset Learning Diagnostic Trouble Codes ( DTC ) / Fault Codes Logged In Engine Control Module ( EMS ); Possible Rough / Uneven Idle - OBD15 Chassis

FSB 511-002

Service Bulletin/Repair Instructions

Brake Drum, Replacement (Steer Axle) Some MACK CHU, CXU, GU, and TD trucks built between 08/29/2011 and 06/30/2014, equipped with a MACK 14.6k steer axle, unitized hub, and 152 mm (6.0 in) wide Bendix brake shoes can show signs of brake shoe protrusion beyond the brake drum. This condition is resolved by installing new 152 mm (6.0 in) brake shoes, 178 mm (7.0 in) wide brake drums (20536276), new dust shields, and replace the existing Z-Brackets.

FSB 511-008

Service Bulletin/Repair Instructions

BRAKE DRUM, REPLACEMENT (STEER AXLE) SOME MACK CXU, CHU, GU, AND TD TRUCKS BUILT BETWEEN 08/29/2011 AND 06/30/2014, EQUIPPED WITH A MACK 14.6K STEER AXLE, UNITIZED HUB, AND 152 MM (6.0 IN) WIDE MERITOR BRAKE SHOES CAN SHOW SIGNS OF BRAKE SHOE PROTRUSION BEYOND THE BRAKE DRUM. THIS CONDITION IS RESOLVED BY INSTALLING NEW 152 MM (6.0 IN) BRAKE SHOES, NEW DUST SHIELDS, AND NEW 178 MM (7.0 IN) WIDE BRAKE DRUMS (20536276).

FSB 511-009

Service Bulletin/Repair Instructions

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.