2019 MACK LR
2 recalls, 1 complaints - 267 TSBs
21V293000 Apr 26, 2021
STEERING
Defect Description
Mack Trucks, Inc. (Mack) is recalling certain 2019-2020 LR vehicles. The steering transfer case may have an insufficient amount of oil.
Consequence
The internal bearings may fail without sufficient lubrication, causing steering lock-up and increasing the risk of a crash.
Remedy
Dealers will replace the transfer case, free of charge. Owner notifications letters were mailed on May 12, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0424.
18V810000 Nov 15, 2018
TIRES
Defect Description
Mack Trucks, Inc. (Mack) is recalling certain 2019 Mack Granite (GR), LR, and TerraPro (TE) trucks, equipped with Bridgestone M854 tires with DOT date codes 2418-2518, Bridgestone M860A tires with DOT date code 2518 or Bridgestone M864 tires with DOT date codes 2318-2418, all of size 425/65R22.5. T... Read more
Consequence
Rapid tire air loss can increase the risk of a crash.
Remedy
Mack will notify owners, instructing them to take their vehicles to Bridgestone Tire or Mack truck service centers for inspection and replacement, as necessary, free of charge. The recall began December 19, 2018. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this r... Read more
Complaint Statistics
1 total complaints
Top Reported Components
| Component | Complaints |
|---|---|
| SERVICE BRAKES | 1 |
SERVICE BRAKES
Jul 24, 2023
Incident date: May 23, 2023
The contact owns a 2014 Ford F-150. The contact stated while driving 5 MPH and depressing the brake pedal, the brake pedal went to the floorboard but failed to stop the vehicle. The contact stated that the check brake warning light was illuminated. The contact stated that he used the parking brake t... Read more
Technical Service Bulletins, 2019 MACK LR
267 manufacturer communications from 157 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 060000 ENGINE AND ENGINE COOLING | 78 |
| 110000 ELECTRICAL SYSTEM | 26 |
| 100000 POWER TRAIN | 21 |
| 350000 EQUIPMENT | 20 |
| 080000 FUEL SYSTEM, DIESEL | 17 |
| 070000 FUEL SYSTEM, GASOLINE | 11 |
| 060000 ENGINE (PWS) | 9 |
| 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL | 7 |
CBR-1008 202404
Apr 22, 2024
100000 POWER TRAIN
CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value In VDA And Default Settings Guidelines, ParameterP1AOB; Fault Code P1052-54, Error 40,Or Error 18 Encountered During Clutch Or Tran.
CBR-2013 202404
Apr 2, 2024
060000 ENGINE AND ENGINE COOLING
CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.
CBR-2139 202403
Mar 1, 2024
060000 ENGINE AND ENGINE COOLING
CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head.
CBR-2350 202402
Feb 21, 2024
110000 ELECTRICAL SYSTEM
CBR -Telematics Gateway (TGW) Connect Ability Issues
CBR-2347 202402
Feb 16, 2024
110000 ELECTRICAL SYSTEM
CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).
CBR-202 202402
Feb 16, 2024
100000 POWER TRAIN
CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
CBR-2014 202402
Feb 16, 2024
020000 SUSPENSION
CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer.
CBR-2333 202401
Jan 18, 2024
110000 ELECTRICAL SYSTEM
CBR: TGW Will Not Connect After SIM Card Replacement
CBR-2320 202312
Dec 1, 2023
060000 ENGINE AND ENGINE COOLING
CBR: For vehicles equipped with an 11L engine, the plastic saddle bracket holding the a/c line on the left side of the engine may move excessively and rub the area where it secures the line.
M-465-001 202311
Nov 7, 2023
100000 POWER TRAIN
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.
CBR-399 202310
Oct 19, 2023
117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
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
CBR-399 202310
Oct 19, 2023
110000 ELECTRICAL SYSTEM
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
M-258-014 202309
Sep 5, 2023
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
M-258-014 202309
Sep 5, 2023
060000 ENGINE AND ENGINE COOLING
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
S7567 202309
Sep 4, 2023
061560 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR
Service Campaign: Electronic Pressure Relief Valve (EPRV) Delete & Fuel Rail Pressure Sensor Update
S7567 202309
Sep 4, 2023
060000 ENGINE AND ENGINE COOLING
Service Campaign: Electronic Pressure Relief Valve (EPRV) Delete & Fuel Rail Pressure Sensor Update
M728-005A 202308
Aug 14, 2023
020000 SUSPENSION
TSB: Barksdale Leveling Valve, Leak Test
CBR-2112 202307
Jul 24, 2023
110000 ELECTRICAL SYSTEM
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
CBR-2112 202307
Jul 24, 2023
100000 POWER TRAIN
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
CBR-2112 202307
Jul 24, 2023
060000 ENGINE AND ENGINE COOLING
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
CBR-2303 202307
Jul 1, 2023
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions
CBR-2303 202307
Jul 1, 2023
060000 ENGINE AND ENGINE COOLING
CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions
KC-2094 Rev 3
Jun 22, 2023
353600 EQUIPMENT:ELECTRICAL:INFOTAINMENT
Infotainment System - Volume Drop During A Phone Call, Phone Connected Via Bluetooth
KC-2094 Rev 3
Jun 22, 2023
110000 ELECTRICAL SYSTEM
Infotainment System - Volume Drop During A Phone Call, Phone Connected Via Bluetooth
KC-2116 Rev 9
Jun 16, 2023
060000 ENGINE AND ENGINE COOLING
Mack NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2292
Jun 13, 2023
020000 SUSPENSION
Vehicles Equipped With Chalmers Suspension - Frame Bracket Hardware Loose or Interfering
KC-2116 Rev 8
Jun 5, 2023
060000 ENGINE AND ENGINE COOLING
Mack NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2158 Rev 6
Jun 5, 2023
110000 ELECTRICAL SYSTEM
CBR - Mack Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2158 Rev 6
Jun 5, 2023
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
CBR - Mack Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2158 Rev 6
Jun 5, 2023
060000 ENGINE AND ENGINE COOLING
CBR - Mack Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions
SLM23-005
May 31, 2023
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Service Literature Published and Released in May, 2023
KC-331-Ver6
May 22, 2023
080000 FUEL SYSTEM, DIESEL
CBR: Model Year 2017 to Current - Fuel Filter Change ( Primary And Secondary ) For The EM - USA17 Emission Engines
KC-503-Ver3
May 17, 2023
100000 POWER TRAIN
CBR: Automated Manual Transmission ( AMT ) -Transmission Electronic Control Unit ( TECU ) MID130 PSID 29 FMI 7 /P10AE81 Fault Codes Being Generated
KC-2263-Ver5
May 16, 2023
060000 ENGINE AND ENGINE COOLING
CBR: Timing Gear Plate Repair. This solution provides supplementary information to be used when installing a Timing Gear Plate with Integrated Seal.
KC-2229-Ver2
May 10, 2023
100000 POWER TRAIN
CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode
KC-474-Ver5
May 2, 2023
100000 POWER TRAIN
CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
KC-2264
Apr 20, 2023
110000 ELECTRICAL SYSTEM
CBR: Mack Chassis - Allison Reduced Engine Load At A Stop (RELS) Diagnostic Trouble Code P071a Or P07ce - GR,TE,LR Models - Non-Split/Drop Box PTO
KC-2269
Apr 18, 2023
060000 ENGINE AND ENGINE COOLING
CBR: 11L Engines, Non-Common Rail - Air Compressor Coolant Pipe, Parts Substitution - US14+OBD13 To US14+OBD16
S7627
Feb 28, 2023
060000 ENGINE AND ENGINE COOLING
Mack MMD Alternator Pulley
S7567
Feb 28, 2023
060000 ENGINE AND ENGINE COOLING
Electronic Pressure Releif Valve (EPRV) Delete & Fuel Rail Pressure Sensor
KC-2244
Feb 22, 2023
161000 STRUCTURE:FRAME AND MEMBERS
Mack Model TE,LR - Frame Over Height
KC-2244
Feb 22, 2023
020000 SUSPENSION
Mack Model TE,LR - Frame Over Height
KC-2165
Feb 10, 2023
060000 ENGINE AND ENGINE COOLING
Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
M-212-001
Dec 22, 2022
060000 ENGINE AND ENGINE COOLING
Timing Gear Plate Inspection
KC-2165
Oct 31, 2022
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2165
Oct 31, 2022
060000 ENGINE AND ENGINE COOLING
Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2213
Sep 27, 2022
110000 ELECTRICAL SYSTEM
Mack Chassis - Malfunction Indicator Light (MIL) Illuminated After Start Up - Cummins CNG Only
M-265-002
Sep 22, 2022
060000 ENGINE AND ENGINE COOLING
TSB-Charge Air Cooler t-clamp install.
KC-561
Jul 5, 2022
060000 ENGINE AND ENGINE COOLING
11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
KC-751
Jun 28, 2022
100000 POWER TRAIN
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-750
Jun 28, 2022
060000 ENGINE AND ENGINE COOLING
US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
KC-745
Jun 22, 2022
100000 POWER TRAIN
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
Jun 21, 2022
060000 ENGINE AND ENGINE COOLING
Programming Failure - Chassis With Cummins Engine And An Allison Transmission
KC-2143
Jun 21, 2022
180000 VEHICLE SPEED CONTROL
(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).
KC-405
Jun 21, 2022
100000 POWER TRAIN
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 -
KC-2112
Jun 21, 2022
110000 ELECTRICAL SYSTEM
Programming Failure - Chassis With Cummins Engine And An Allison Transmission
KC-2112
Jun 21, 2022
100000 POWER TRAIN
Programming Failure - Chassis With Cummins Engine And An Allison Transmission
KC-399
Jun 17, 2022
110000 ELECTRICAL SYSTEM
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-735
Jun 6, 2022
350000 EQUIPMENT
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 E
KC-736
Jun 6, 2022
060000 ENGINE AND ENGINE COOLING
(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-733
Jun 6, 2022
060000 ENGINE AND ENGINE COOLING
Back Office Mack Chassis - Secondary Gauge Set Up - Model Year 2018 and Newer.
KC-2116
Jun 3, 2022
060000 ENGINE AND ENGINE COOLING
NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-2157
Jun 3, 2022
070000 FUEL SYSTEM, GASOLINE
Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-2157
Jun 3, 2022
060000 ENGINE AND ENGINE COOLING
Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-2158
Jun 3, 2022
060000 ENGINE AND ENGINE COOLING
Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-2165
Jun 3, 2022
060000 ENGINE AND ENGINE COOLING
DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions.
KC-2107
Jun 3, 2022
060000 ENGINE AND ENGINE COOLING
DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer.
KC-731
May 27, 2022
100000 POWER TRAIN
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 New
KC-730
May 27, 2022
060000 ENGINE AND ENGINE COOLING
Mack Chassis - Engine Fan Override Information For Model LR
KC-2171
May 26, 2022
060000 ENGINE AND ENGINE COOLING
Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer
KC-2165
May 26, 2022
060000 ENGINE AND ENGINE COOLING
DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2158
May 26, 2022
060000 ENGINE AND ENGINE COOLING
Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2157
May 26, 2022
060000 ENGINE AND ENGINE COOLING
Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2131
May 26, 2022
060000 ENGINE AND ENGINE COOLING
USE FOR NEW VEHICLES (US21+OBD22 Emissions) - Intermittent Diagnostic Trouble Codes U02A3, U029D, U029E
KC-2116
May 26, 2022
060000 ENGINE AND ENGINE COOLING
NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-714
May 25, 2022
060000 ENGINE AND ENGINE COOLING
Mack Chassis - Diagnostic Trouble Codes ( DTC's ) - P020113, P020213, P020313, P020413, P020513, P020613, Cylinders 1 Through 6 Injector A Open Circuit
KC-700
May 24, 2022
100000 POWER TRAIN
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
KC-699
May 24, 2022
110000 ELECTRICAL SYSTEM
Mack Chassis - Bendix Vendor Configuration Program ( VCP ) Software Download Information
KC-698
May 24, 2022
060000 ENGINE AND ENGINE COOLING
Mack Chassis - Diesel Exhaust Fluid ( DEF ) System Cleaning/Flush After DEF Pump Failure Or System Contamination
KC-686
May 20, 2022
251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
(Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP)
KC-686
May 20, 2022
180000 VEHICLE SPEED CONTROL
(Back Office Only) Mack Chassis - Cruise Control Inoperative After Disabling The Electronic Stability Program (ESP)
KC-678
May 19, 2022
110000 ELECTRICAL SYSTEM
Diagnostic Trouble Codes ( DTC ) P2080, P2084, P242B Lighting The Malfunction Indicator Lamp ( MIL ) - US14+OBD16, US17+OBD16, And US17+OBD18 Emissions, Model Years 2017 To 2019
KC-678
May 19, 2022
060000 ENGINE AND ENGINE COOLING
Diagnostic Trouble Codes ( DTC ) P2080, P2084, P242B Lighting The Malfunction Indicator Lamp ( MIL ) - US14+OBD16, US17+OBD16, And US17+OBD18 Emissions, Model Years 2017 To 2019
KC-663
May 18, 2022
060000 ENGINE AND ENGINE COOLING
Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions
KC-659
May 17, 2022
060000 ENGINE AND ENGINE COOLING
Mack Chassis -A 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-659
May 17, 2022
080000 FUEL SYSTEM, DIESEL
Mack Chassis -A 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-652
May 17, 2022
060000 ENGINE AND ENGINE COOLING
Mack Low Oil Pressure Diagnostic Process For 11 Liter Engines
KC-651
May 17, 2022
350000 EQUIPMENT
Mack Dealer Support Communication - Selecting The Proper SR Area For Creating An eService
KC-648
May 17, 2022
980000 UNKNOWN OR OTHER
Mack - PTO Pump Speed Calculator
KC-648
May 17, 2022
100000 POWER TRAIN
Mack - PTO Pump Speed Calculator
KC-644
May 17, 2022
060000 ENGINE AND ENGINE COOLING
Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors) - US07 And Newer Emissions, Model Year 2008 And Newer
KC-2169
May 16, 2022
110000 ELECTRICAL SYSTEM
Low Voltage Disconnect (LVD), Function Description
KC-2170
May 16, 2022
020000 SUSPENSION
Electronically Controlled Suspension (ECS) Losing Air Pressure
KC-2172
May 16, 2022
110000 ELECTRICAL SYSTEM
No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"
KC-2172
May 16, 2022
980000 UNKNOWN OR OTHER
No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"
KC-2161
May 13, 2022
060000 ENGINE AND ENGINE COOLING
DEF Pump Cycling periodically Hours After Key Off
KC-633
May 13, 2022
200000 WHEELS
Mack Chassis - Front Hub With Unit-Bearings ( Unitized Wheel Bearings ), Inspection Information And Guidelines - Commonly Model Year 2008 And Newer
KC-626
May 9, 2022
100000 POWER TRAIN
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
May 9, 2022
350000 EQUIPMENT
Premium Tech Tool ( PTT ) Training Materials And Support Tools
KC-587
May 5, 2022
060000 ENGINE AND ENGINE COOLING
Mack Chassis - SNM15-027 A/C Compressor Inspection Required For Warranty Repairs
Showing 100 of 267 bulletins.
MACK LR - All Years Overview
Complete safety history for the MACK LR across all model years (2010, 2025).
30
Total Recalls
1
Total Complaints
0
Investigations
0
Reported Crashes
0
Reported Fires
0
Reported Deaths
MACK LR - Year by Year
Compare recalls and complaints across model years. Click any year to see full details.