Vehicle report

2021 MACK LR ELECTRIC

Service bulletins

58 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-2364 202404

Service Bulletin/Repair Instructions

CBR: Battery Electric Vehicle (BEV) DTC P108664 - Charging Switch Unit B, Voltage Supply, Signal Plausibility Failure

CBR-2349 202402

Service Bulletin/Repair Instructions

CBR - BEV Fault Code C102571 - Hybrid/EV System, Cooling Heater Relays - Actuator Stuck

CBR-2341 202401

Service Bulletin/Repair Instructions

CBR: Battery Electric Vehicle (BEV) 3-WayValve Calibration Failure

CBR-2333 202401

Service Bulletin/Repair Instructions

CBR: TGW Will Not Connect After SIM Card Replacement

M728-005A 202308

Service Bulletin/Repair Instructions

TSB: Barksdale Leveling Valve, Leak Test

CBR-2299 202308

Service Bulletin/Repair Instructions

CBR: Battery Electric Vehicle (BEV) - Vehicle Will Not "Start", Limited Speed, Instrument Cluster Showing Neutral After Gear Selected

CBR-2300 202307

Service Bulletin/Repair Instructions

CBR: Battery Electric Vehicle (BEV) - Hybrid Powertrain Control Unit (HPCU) Programing

CBR-2295 202307

Service Bulletin/Repair Instructions

CBR: Battery Electric Vehicle (BEV) - Diagnostic Trouble Code (DTC) Troubleshooting Ending In No Fault Found

S3416 202307

Service Bulletin/Repair Instructions

Service Campaign: Phase 1 Heater Relay Monitoring Accessory Kit

SLM23-005

Service Bulletin/Repair Instructions

Service Literature Published and Released in May, 2023

KC-2277

Service Bulletin/Repair Instructions

CBR: Battery Electric Vehicle (BEV) Sub Hardware Programming

KC-474-Ver5

Service Bulletin/Repair Instructions

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

KC-2255

Service Bulletin/Repair Instructions

CBR: Battery Electric Vehicle (BEV) Cab Heater Diagnostics

M-773-005a

Service Bulletin/Repair Instructions

TSB: Hub Cap, Leaking

M-773-005

Service Bulletin/Repair Instructions

New TSB- Hub cap leaking

KC-2242

Service Bulletin/Repair Instructions

Battery Electric Vehicle (BEV) - Charging Issues Worksheet For eService

KC-2140

Service Bulletin/Repair Instructions

Mack Chassis - P05E662 Park brake Sensor/Switch Circuit Range/Performance, Signal Compare failure - Diagnostic Instructions - US21+OBD21 Emissions

M-265-002

Service Bulletin/Repair Instructions

TSB-Charge Air Cooler t-clamp install.

CBR-2131

Service Bulletin/Repair Instructions

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

KC-561

Service Bulletin/Repair Instructions

11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions

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-399

Service Bulletin/Repair Instructions

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.

KC-733

Service Bulletin/Repair Instructions

Back Office Mack Chassis - Secondary Gauge Set Up - Model Year 2018 and Newer.

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-736

Service Bulletin/Repair Instructions

(Back Office Only) - Engine Brake Vibration When In High Setting - 13L Engine With Variable Geometry Turbo ( VGT ) - US17 And Newer Emissions (Common Rail Fuel System).

KC-2107

Service Bulletin/Repair Instructions

DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer.

KC-2116

Service Bulletin/Repair Instructions

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

KC-2157

Service Bulletin/Repair Instructions

Aftertreatment Hydrocarbon Injector (AHI) 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-730

Service Bulletin/Repair Instructions

Mack Chassis - Engine Fan Override Information For Model LR

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-700

Service Bulletin/Repair Instructions

Mack Chassis - Automated Manual Transmission Model F ( AMT-F, mDrive ) - Short Transmission Replacement; Calibration And/Or Shifting Problems Following Replacement Of A Short Transmission - US17+OBD2016 And Newer Emissions, Model Year 2018 And Newer

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-651

Service Bulletin/Repair Instructions

Mack Dealer Support Communication - Selecting The Proper SR Area For Creating An eService

KC-652

Service Bulletin/Repair Instructions

Mack Low Oil Pressure Diagnostic Process For 11 Liter Engines

KC-659

Service Bulletin/Repair Instructions

Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions Prior To US17+OBD16 (Common Rail Fuel System), Model Year 2017 And Older

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-587

Service Bulletin/Repair Instructions

Mack Chassis - SNM15-027 A/C Compressor Inspection Required For Warranty Repairs

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.

2021 Mack Lr Electric Service Bulletins: 58 bulletins | CarFathom