NHTSA lists 1 complaints for the 2018 Mack Granite (gu), 0 of them mention a crash and 0 mention a fire. 0 complaints mention an injury, with 0 injuries and 0 deaths reported.
Data build 2026-10-08.
NHTSA lists this vehicle as MACK GRANITE (GU).
Model-generated complaint tags
These labels are model-generated, not NHTSA data.
Failure modes| Label | Count | Share of tagged | Mean confidence |
|---|
| mechanical failure | 1 | 100.0% | 1.00 |
|---|
Severities| Label | Count | Share of tagged | Mean confidence |
|---|
| moderate | 1 | 100.0% | 0.65 |
|---|
Model: typesafe/jev-1.13-20260917; schema version: tag-v1. 1 tagged complaints of 1 complaints (100.0%).
Confidence is the model's own probability for the label it chose (0 to 1), not accuracy.
Model-generated labels on tagged complaints only. Model years 2013 and newer are tagged in full; 2012 in part (see tagged_share); earlier model years have no tags. NHTSA's own flags remain separate in the complaints block.
Recalls
See new recalls and investigations this week.
4 recalls.
Date: 2024-10-18. Systems: TIRES.
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2019-2025 GR and 2018 GU Granite vehicles equipped with non-DOT tested tires. The tires may not have been DOT tested and confirmed to be sufficient for the vehicles. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 119, "New Pneumatic Tires - Other Than Passenger Cars."
Consequence: Insufficient tires can fail, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the tires as necessary, free of charge. Owner notification letters were mailed November 6, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0471.
Do not drive: No. Park outside: No.
Date: 2023-08-25. Systems: EXTERIOR LIGHTING.
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2015-2023 GU and GR vehicles. The turn signals may be positioned incorrectly, reducing their visibility. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence: Low turn signal visibility may not alert other drivers to a turning vehicle, increasing the risk of a crash.
Remedy: Dealers will add additional turn signal lighting, free of charge. Owner letters were mailed September 25, 2024. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0448.
Do not drive: No. Park outside: No.
Date: 2021-04-01. Systems: ELECTRONIC STABILITY CONTROL (ESC).
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2018-2022 Anthem (AN), Granite (GR/GU), and Pinnacle (CHU/CXU/PI) vehicles equipped with "camelback" rear suspension and electronic stability control. The vehicles may not stay in their lane at certain speeds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 136, "Electronic Stabilit (excerpt)
Consequence: A vehicle that drifts out of its lane increases the risk of a crash. (excerpt)
Remedy: Mack will notify owners, and dealers will reprogram the vehicle control units, free of charge. The recall began on April 21, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0423. (excerpt)
Do not drive: No. Park outside: No.
Date: 2018-03-06. Systems: ELECTRICAL SYSTEM, EXTERIOR LIGHTING, INTERIOR LIGHTING, VISIBILITY.
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2018 Anthem (AN), Granite (GU), and Pinnacle (CXU, PI) trucks. An electrical overload condition may cause the light control module (LCM) to fail, resulting in the loss of the exterior lighting, interior dashboard lighting, and the windshield wipers.
Consequence: Loss of lighting or windshield wiper function can increase the risk of a crash.
Remedy: Mack will notify owners, and dealers will replace and reprogram the LCM, free of charge. The recall began on March 23, 2018. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0409.
Do not drive: No. Park outside: No.
Manufacturer communications
178 manufacturer communications.
Communications by system| System | Count |
|---|
| ENGINE AND ENGINE COOLING | 57 |
|---|
| ELECTRICAL SYSTEM | 37 |
|---|
| POWER TRAIN | 26 |
|---|
| EQUIPMENT | 19 |
|---|
| ENGINE | 17 |
|---|
| FUEL SYSTEM, DIESEL | 17 |
|---|
| FUEL SYSTEM, GASOLINE | 8 |
|---|
| STRUCTURE | 8 |
|---|
11036580
Date: 2026-08-10. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Mack Trucks Equipped With A Cummins Engine - Engine Preheat Icon Does Not Illuminate In The Instrument Cluster (IC) During Engine Pre-heat (Intake Air Heater) Operation - Vehicles With 2018Instrument Cluster Update, Model Year2018 And Newer
11032086
Date: 2026-04-09. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CBR - Mack Carrier Nut Adhesive Change.
11032092
Date: 2026-04-09. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
11029445
Date: 2026-02-04. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
CBR - The purpose of this solution is to give information on Engine Control Module (EMS) Software content.
11028051
Date: 2026-01-08. Type: Service Bulletin/Repair Instructions. Systems: 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.
11028032
Date: 2026-01-07. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(4) and PR(4)).
11026025
Date: 2025-11-22. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, ENGINE.
CBR - Mack Temperature Sensor Troubleshooting Guide
11021332
Date: 2025-07-28. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.
11021333
Date: 2025-07-17. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, SERVICE BRAKES.
CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.
11018804
Date: 2025-05-28. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low Oil Pressure) (Possible Related Codes - SPN4811 , SPN 100 , PID 100)