2018 MACK GU

0 recalls, 3 complaints - 353 TSBs

No recalls found for this vehicle.

Complaint Statistics

3 total complaints

Top Reported Components

ComponentComplaints
ELECTRICAL SYSTEM1
EXTERIOR LIGHTING1
VISIBILITY/WIPER1
ELECTRICAL SYSTEM Apr 15, 2022
Incident date: Jan 15, 2019
Wipers do not work and the tractor lights turn off ALL of the lights the trailer lights go out as well the fuse for these electrical components gets very hot, this makes it very dangerous when driving at night and when it's raining. The driver has to pull over till he can get the lights to come back... Read more
EXTERIOR LIGHTING Apr 15, 2022
Incident date: Jan 15, 2019
Wipers do not work and the tractor lights turn off ALL of the lights the trailer lights go out as well the fuse for these electrical components gets very hot, this makes it very dangerous when driving at night and when it's raining. The driver has to pull over till he can get the lights to come back... Read more
VISIBILITY/WIPER Apr 15, 2022
Incident date: Jan 15, 2019
Wipers do not work and the tractor lights turn off ALL of the lights the trailer lights go out as well the fuse for these electrical components gets very hot, this makes it very dangerous when driving at night and when it's raining. The driver has to pull over till he can get the lights to come back... Read more

Technical Service Bulletins, 2018 MACK GU

353 manufacturer communications from 209 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

ComponentBulletins
060000 ENGINE AND ENGINE COOLING71
110000 ELECTRICAL SYSTEM35
100000 POWER TRAIN32
350000 EQUIPMENT27
060000 ENGINE (PWS)18
080000 FUEL SYSTEM, DIESEL18
070000 FUEL SYSTEM, GASOLINE12
020000 SUSPENSION12
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-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-2016 202401 Jan 17, 2024
160000 STRUCTURE
CBR: Frame Or Cab Lean
CBR-2016 202401 Jan 17, 2024
020000 SUSPENSION
CBR: Frame Or Cab Lean
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.
EC0028M 202312 Dec 1, 2023
980000 UNKNOWN OR OTHER
Emissions Campaign: Mack Trucks has determined that certain 2014 - 2018 commercial model year CXU, GU, LEU, LR, MRU Vehicles require a replacement Diesel Particulate Filter (DPF) along with updated software.
EC0028M 202312 Dec 1, 2023
060000 ENGINE AND ENGINE COOLING
Emissions Campaign: Mack Trucks has determined that certain 2014 - 2018 commercial model year CXU, GU, LEU, LR, MRU Vehicles require a replacement Diesel Particulate Filter (DPF) along with updated software.
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
CBR-206 202310 Oct 12, 2023
110000 ELECTRICAL SYSTEM
CBR: Vehicle Speed Factor (K-Factor) Programming - Speed Factor Value Incorrect When Calculated In Premium Tech Tool (PTT); Speedometer Reading Incorrectly Following A Change To Vehicle Speed Factor - US17+OBD16 And Newer Emissions, Common
CBR-206 202310 Oct 12, 2023
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
CBR: Vehicle Speed Factor (K-Factor) Programming - Speed Factor Value Incorrect When Calculated In Premium Tech Tool (PTT); Speedometer Reading Incorrectly Following A Change To Vehicle Speed Factor - US17+OBD16 And Newer Emissions, Common
CBR-570 202309 Sep 22, 2023
110000 ELECTRICAL SYSTEM
CBR: Model Year 2017, 2018 - US17GHG Common Rail Fuel System Component Electrical Faults
CBR-570 202309 Sep 22, 2023
060000 ENGINE AND ENGINE COOLING
CBR: Model Year 2017, 2018 - US17GHG Common Rail Fuel System Component Electrical Faults
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
M-141-001 202308 Aug 18, 2023
060000 ENGINE AND ENGINE COOLING
TSB: Air Restriction Indicator
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
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-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
M-170-003 Apr 18, 2023
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
TSB: Vibration Diagnostics
M-170-001 Apr 18, 2023
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
TSB: Stock Vehicle Storage and Maintenance
KC-2248 Feb 21, 2023
100000 POWER TRAIN
Flywheel Housing Thread Repair
KC-2248 Feb 21, 2023
060000 ENGINE AND ENGINE COOLING
Flywheel Housing Thread Repair
M-852-001 Dec 14, 2022
020000 SUSPENSION
2007 document reformatted to be published as a TSB in Impact. Lateral cab movement bracket.
M-728-001 Sep 22, 2022
020000 SUSPENSION
2008 Document reformatted to be published as a TSB in Impact. Air suspension ride height.
M-265-002 Sep 22, 2022
060000 ENGINE AND ENGINE COOLING
TSB-Charge Air Cooler t-clamp install.
M-411-001 Sep 21, 2022
040000 SERVICE BRAKES, AIR
2008 Document reformatted to be published as a TSB in Impact. Two-Piece clutch brake.
M-823-002 Sep 21, 2022
160000 STRUCTURE
2008 Document reformatted to be published as a TSB in Impact. Grille bar, replacment.
M-874-002 Sep 21, 2022
100000 POWER TRAIN
2008 Document reformatted to be published as a TSB in Impact. HVAC fine particulate filter.
M-222-001 Sep 15, 2022
060000 ENGINE AND ENGINE COOLING
2008 Document reformatted to be published as a TSB in Impact. Loose oil filter spud.
M-260-001 Sep 15, 2022
060000 ENGINE AND ENGINE COOLING
2008 Document reformatted to be published as a TSB in Impact. Cooling system connections.
M-801-001 Sep 15, 2022
160000 STRUCTURE
2008 Document reformatted to be published as a TSB in Impact. Paint protection.
M-652-002 Sep 15, 2022
020000 SUSPENSION
2008 Document reformated to be published as a TSB in Impact. Torque rod interference.
M-823-001 Sep 15, 2022
160000 STRUCTURE
2008 Document reformated to be published as a TSB in Impact. Field repair for installing the grill.
M-374-001 Sep 15, 2022
110000 ELECTRICAL SYSTEM
2008 Document reformated to be published as a TSB in Impact. Revised battery ti battery cable
M-255-016 Aug 19, 2022
060000 ENGINE AND ENGINE COOLING
2009 Document reformatted to be published as a TSB in Impact. Turbo Actuator Connector Repair.
M-451-002 Aug 6, 2022
020000 SUSPENSION
2009 Document reformatted to be published as a TSB in Impact. Axle Carrier Pinion Angles
KC-561 Jul 5, 2022
060000 ENGINE AND ENGINE COOLING
11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
M-263-002 Jun 30, 2022
060000 ENGINE AND ENGINE COOLING
2008 document reformatted to be published as a TSB in Impact. Fan Ring clearance for GU Model Truck.
KC-750 Jun 28, 2022
060000 ENGINE AND ENGINE COOLING
US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
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-746 Jun 22, 2022
100000 POWER TRAIN
Mack Chassis - Automated Manual Transmission Model F (AMT-F, mDrive) - Possible Infrequent Hiccup/Stumble During Steady Engine/Vehicle Speed; Diagnostic Trouble Code P1074-92, P1074-94, P1074-96 Logging, Appears As Inactive - Common Model Y
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
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-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-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-733 Jun 6, 2022
060000 ENGINE AND ENGINE COOLING
Back Office Mack Chassis - Secondary Gauge Set Up - Model Year 2018 and Newer.
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-2107 Jun 3, 2022
060000 ENGINE AND ENGINE COOLING
DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions 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-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-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-2157 May 26, 2022
060000 ENGINE AND ENGINE COOLING
Aftertreatment Hydrocarbon Injector (AHI) 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-2165 May 26, 2022
060000 ENGINE AND ENGINE COOLING
DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-2171 May 26, 2022
060000 ENGINE AND ENGINE COOLING
Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer
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-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-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-651 May 17, 2022
350000 EQUIPMENT
Mack Dealer Support Communication - Selecting The Proper SR Area For Creating An eService
KC-652 May 17, 2022
060000 ENGINE AND ENGINE COOLING
Mack Low Oil Pressure Diagnostic Process For 11 Liter Engines
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-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-2172 May 16, 2022
980000 UNKNOWN OR OTHER
No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"
KC-2172 May 16, 2022
110000 ELECTRICAL SYSTEM
No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"
KC-2170 May 16, 2022
020000 SUSPENSION
Electronically Controlled Suspension (ECS) Losing Air Pressure

Showing 100 of 353 bulletins.

MACK GU - All Years Overview

Complete safety history for the MACK GU across all model years (2007, 2011).

27 Total Recalls
9 Total Complaints
0 Investigations
1 Reported Crashes
0 Reported Fires
0 Reported Deaths

MACK GU - Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year Recalls Complaints
2018 (current) 0 3
2015 0 1 View
2014 0 1 View
2013 0 1 View
2011 5 0 View
2010 4 2 View
2009 7 1 View
2008 9 0 View
2007 2 0 View

Other MACK Models

Model Recalls Complaints
GRANITE (GU) 127 3 View
CF 104 0 View
RD 103 8 View
DM 95 1 View
PINNACLE (CXU) 92 5 View
CH 91 8 View
R 89 0 View
GRANITE (GR) 83 10 View