TSB: MACK ANTHEM, ANTHEM (AN), CHU, CXU, GRANITE (GR), GRANITE (GU), GU, LEU, LR, LR6, MD, MRU, PINNACLE (CHU), PINNACLE (CXU), PINNACLE (PI), TD, TERRAPRO (LEU), TERRAPRO (LEU/MRU), TERRAPRO (MRU), TERRAPRO (TE), TITAN, TITAN (TD) (2014-2025)

Bulletin CBR-1008 202404 - April 22, 2024

Bulletin Details

Bulletin IDCBR-1008 202404
ManufacturerMACK
ModelsANTHEM, ANTHEM (AN), CHU, CXU, GRANITE (GR), GRANITE (GU), GU, LEU, LR, LR6, MD, MRU, PINNACLE (CHU), PINNACLE (CXU), PINNACLE (PI), TD, TERRAPRO (LEU), TERRAPRO (LEU/MRU), TERRAPRO (MRU), TERRAPRO (TE), TITAN, TITAN (TD)
Model Years2014-2025
Date IssuedApril 22, 2024
Date Added to NHTSAMay 1, 2024
ComponentPOWER TRAIN
Vehicles Affected147 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls, they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

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.

Affected Vehicles

MakeModelYearComponent
MACK ANTHEM (AN) 2025 100000 POWER TRAIN
MACK GRANITE (GR) 2025 100000 POWER TRAIN
MACK GRANITE (GU) 2025 100000 POWER TRAIN
MACK LR 2025 100000 POWER TRAIN
MACK MD 2025 100000 POWER TRAIN
MACK PINNACLE (PI) 2025 100000 POWER TRAIN
MACK TERRAPRO (MRU) 2025 100000 POWER TRAIN
MACK TERRAPRO (TE) 2025 100000 POWER TRAIN
MACK ANTHEM (AN) 2024 100000 POWER TRAIN
MACK GRANITE (GR) 2024 100000 POWER TRAIN
MACK GRANITE (GU) 2024 100000 POWER TRAIN
MACK LR 2024 100000 POWER TRAIN
MACK MD 2024 100000 POWER TRAIN
MACK PINNACLE (PI) 2024 100000 POWER TRAIN
MACK TERRAPRO (MRU) 2024 100000 POWER TRAIN
MACK TERRAPRO (TE) 2024 100000 POWER TRAIN
MACK ANTHEM (AN) 2023 100000 POWER TRAIN
MACK GRANITE (GR) 2023 100000 POWER TRAIN
MACK GRANITE (GU) 2023 100000 POWER TRAIN
MACK LR 2023 100000 POWER TRAIN
MACK MD 2023 100000 POWER TRAIN
MACK PINNACLE (PI) 2023 100000 POWER TRAIN
MACK TERRAPRO (MRU) 2023 100000 POWER TRAIN
MACK TERRAPRO (TE) 2023 100000 POWER TRAIN
MACK ANTHEM (AN) 2022 100000 POWER TRAIN
MACK GRANITE (GR) 2022 100000 POWER TRAIN
MACK GRANITE (GU) 2022 100000 POWER TRAIN
MACK LR 2022 100000 POWER TRAIN
MACK MD 2022 100000 POWER TRAIN
MACK PINNACLE (CHU) 2022 100000 POWER TRAIN
MACK PINNACLE (CXU) 2022 100000 POWER TRAIN
MACK PINNACLE (PI) 2022 100000 POWER TRAIN
MACK TERRAPRO (MRU) 2022 100000 POWER TRAIN
MACK TERRAPRO (TE) 2022 100000 POWER TRAIN
MACK ANTHEM (AN) 2021 100000 POWER TRAIN
MACK GRANITE (GR) 2021 100000 POWER TRAIN
MACK GRANITE (GU) 2021 100000 POWER TRAIN
MACK LR 2021 100000 POWER TRAIN
MACK MD 2021 100000 POWER TRAIN
MACK PINNACLE (CHU) 2021 100000 POWER TRAIN
MACK PINNACLE (CXU) 2021 100000 POWER TRAIN
MACK PINNACLE (PI) 2021 100000 POWER TRAIN
MACK TERRAPRO (MRU) 2021 100000 POWER TRAIN
MACK TERRAPRO (TE) 2021 100000 POWER TRAIN
MACK ANTHEM (AN) 2020 100000 POWER TRAIN
MACK GRANITE (GR) 2020 100000 POWER TRAIN
MACK GRANITE (GU) 2020 100000 POWER TRAIN
MACK LR 2020 100000 POWER TRAIN
MACK MD 2020 100000 POWER TRAIN
MACK PINNACLE (CHU) 2020 100000 POWER TRAIN
MACK PINNACLE (CXU) 2020 100000 POWER TRAIN
MACK PINNACLE (PI) 2020 100000 POWER TRAIN
MACK TERRAPRO (MRU) 2020 100000 POWER TRAIN
MACK TERRAPRO (TE) 2020 100000 POWER TRAIN
MACK ANTHEM (AN) 2019 100000 POWER TRAIN
MACK GRANITE (GR) 2019 100000 POWER TRAIN
MACK GRANITE (GU) 2019 100000 POWER TRAIN
MACK LR 2019 100000 POWER TRAIN
MACK PINNACLE (CHU) 2019 100000 POWER TRAIN
MACK PINNACLE (CXU) 2019 100000 POWER TRAIN
MACK PINNACLE (PI) 2019 100000 POWER TRAIN
MACK TD 2019 100000 POWER TRAIN
MACK TERRAPRO (LEU/MRU) 2019 100000 POWER TRAIN
MACK TERRAPRO (MRU) 2019 100000 POWER TRAIN
MACK TERRAPRO (TE) 2019 100000 POWER TRAIN
MACK ANTHEM (AN) 2018 100000 POWER TRAIN
MACK CHU 2018 100000 POWER TRAIN
MACK CXU 2018 100000 POWER TRAIN
MACK GRANITE (GR) 2018 100000 POWER TRAIN
MACK GRANITE (GU) 2018 100000 POWER TRAIN
MACK GU 2018 100000 POWER TRAIN
MACK LR 2018 100000 POWER TRAIN
MACK MRU 2018 100000 POWER TRAIN
MACK PINNACLE (CHU) 2018 100000 POWER TRAIN
MACK PINNACLE (CXU) 2018 100000 POWER TRAIN
MACK PINNACLE (PI) 2018 100000 POWER TRAIN
MACK TD 2018 100000 POWER TRAIN
MACK TERRAPRO (LEU/MRU) 2018 100000 POWER TRAIN
MACK TERRAPRO (MRU) 2018 100000 POWER TRAIN
MACK TERRAPRO (TE) 2018 100000 POWER TRAIN
MACK TITAN (TD) 2018 100000 POWER TRAIN
MACK ANTHEM (AN) 2017 100000 POWER TRAIN
MACK CHU 2017 100000 POWER TRAIN
MACK CXU 2017 100000 POWER TRAIN
MACK GRANITE (GR) 2017 100000 POWER TRAIN
MACK GRANITE (GU) 2017 100000 POWER TRAIN
MACK GU 2017 100000 POWER TRAIN
MACK LEU 2017 100000 POWER TRAIN
MACK LR 2017 100000 POWER TRAIN
MACK MRU 2017 100000 POWER TRAIN
MACK PINNACLE (CHU) 2017 100000 POWER TRAIN
MACK PINNACLE (CXU) 2017 100000 POWER TRAIN
MACK TD 2017 100000 POWER TRAIN
MACK TERRAPRO (LEU/MRU) 2017 100000 POWER TRAIN
MACK TERRAPRO (MRU) 2017 100000 POWER TRAIN
MACK TERRAPRO (TE) 2017 100000 POWER TRAIN
MACK TITAN (TD) 2017 100000 POWER TRAIN
MACK ANTHEM 2016 100000 POWER TRAIN
MACK CHU 2016 100000 POWER TRAIN
MACK CXU 2016 100000 POWER TRAIN
MACK GRANITE (GR) 2016 100000 POWER TRAIN
MACK GRANITE (GU) 2016 100000 POWER TRAIN
MACK GU 2016 100000 POWER TRAIN
MACK LEU 2016 100000 POWER TRAIN
MACK LR 2016 100000 POWER TRAIN
MACK LR6 2016 100000 POWER TRAIN
MACK MRU 2016 100000 POWER TRAIN
MACK PINNACLE (CHU) 2016 100000 POWER TRAIN
MACK PINNACLE (CXU) 2016 100000 POWER TRAIN
MACK TD 2016 100000 POWER TRAIN
MACK TERRAPRO (LEU) 2016 100000 POWER TRAIN
MACK TERRAPRO (LEU/MRU) 2016 100000 POWER TRAIN
MACK TERRAPRO (MRU) 2016 100000 POWER TRAIN
MACK TITAN (TD) 2016 100000 POWER TRAIN
MACK CHU 2015 100000 POWER TRAIN
MACK CXU 2015 100000 POWER TRAIN
MACK GRANITE (GR) 2015 100000 POWER TRAIN
MACK GRANITE (GU) 2015 100000 POWER TRAIN
MACK GU 2015 100000 POWER TRAIN
MACK LEU 2015 100000 POWER TRAIN
MACK LR 2015 100000 POWER TRAIN
MACK LR6 2015 100000 POWER TRAIN
MACK MRU 2015 100000 POWER TRAIN
MACK PINNACLE (CHU) 2015 100000 POWER TRAIN
MACK PINNACLE (CXU) 2015 100000 POWER TRAIN
MACK TD 2015 100000 POWER TRAIN
MACK TERRAPRO (LEU) 2015 100000 POWER TRAIN
MACK TERRAPRO (LEU/MRU) 2015 100000 POWER TRAIN
MACK TERRAPRO (MRU) 2015 100000 POWER TRAIN
MACK TITAN 2015 100000 POWER TRAIN
MACK TITAN (TD) 2015 100000 POWER TRAIN
MACK CHU 2014 100000 POWER TRAIN
MACK CXU 2014 100000 POWER TRAIN
MACK GRANITE (GU) 2014 100000 POWER TRAIN
MACK GU 2014 100000 POWER TRAIN
MACK LEU 2014 100000 POWER TRAIN
MACK LR 2014 100000 POWER TRAIN
MACK LR6 2014 100000 POWER TRAIN
MACK MRU 2014 100000 POWER TRAIN
MACK PINNACLE (CHU) 2014 100000 POWER TRAIN
MACK PINNACLE (CXU) 2014 100000 POWER TRAIN
MACK TD 2014 100000 POWER TRAIN
MACK TERRAPRO (LEU) 2014 100000 POWER TRAIN
MACK TERRAPRO (LEU/MRU) 2014 100000 POWER TRAIN
MACK TERRAPRO (MRU) 2014 100000 POWER TRAIN
MACK TITAN 2014 100000 POWER TRAIN
MACK TITAN (TD) 2014 100000 POWER TRAIN

Related MACK Recalls

CampaignModelYearComponentSummary
GRANITE (GR) 2027 WHEELS:LUGS/NUTS/BOLTS/STUDS Mack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (AN), 2026-2027 Pio...
ANTHEM AN (4) 2027 WHEELS:LUGS/NUTS/BOLTS/STUDS Mack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (AN), 2026-2027 Pio...
PINNACLE (PI/PN) 2027 WHEELS:LUGS/NUTS/BOLTS/STUDS Mack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (AN), 2026-2027 Pio...
PINNACLE (PI/PN) 2026 WHEELS:LUGS/NUTS/BOLTS/STUDS Mack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (AN), 2026-2027 Pio...
ANTHEM (AN) 2026 WHEELS:LUGS/NUTS/BOLTS/STUDS Mack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (AN), 2026-2027 Pio...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized MACK dealer. Bring this bulletin ID (CBR-1008 202404) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage, manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix, the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.