TSB: MACK ANTHEM (AN), CHU, CXU, GRANITE (GR), GU, LEU, LR, MRU, PINNACLE (PI), TD, TERRAPRO (MRU), TERRAPRO (TE), VAH, VHD, VNL, VNM, VNR, VNX (2007–2020)

Bulletin K17039050 — December 20, 2018

Bulletin Details

Bulletin IDK17039050
ManufacturerMACK
ModelsANTHEM (AN), CHU, CXU, GRANITE (GR), GU, LEU, LR, MRU, PINNACLE (PI), TD, TERRAPRO (MRU), TERRAPRO (TE), VAH, VHD, VNL, VNM, VNR, VNX
Model Years2007–2020
Date IssuedDecember 20, 2018
Date Added to NHTSAFebruary 19, 2019
ComponentELECTRICAL SYSTEM
Vehicles Affected54 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

Bendix ACom? - EC80 ESP Controller; ABS And ATC Lights Illuminated, Fault Codes Present After Making Changes, Calibration Or Programming With Acom

Affected Vehicles

MakeModelYearComponent
MACK ANTHEM (AN) 2020 110000 ELECTRICAL SYSTEM
MACK GRANITE (GR) 2020 110000 ELECTRICAL SYSTEM
MACK PINNACLE (PI) 2020 110000 ELECTRICAL SYSTEM
MACK ANTHEM (AN) 2019 110000 ELECTRICAL SYSTEM
MACK GRANITE (GR) 2019 110000 ELECTRICAL SYSTEM
MACK PINNACLE (PI) 2019 110000 ELECTRICAL SYSTEM
MACK TERRAPRO (TE) 2019 110000 ELECTRICAL SYSTEM
VOLVO VNX 2019 110000 ELECTRICAL SYSTEM
MACK ANTHEM (AN) 2018 110000 ELECTRICAL SYSTEM
MACK GRANITE (GR) 2018 110000 ELECTRICAL SYSTEM
MACK MRU 2018 110000 ELECTRICAL SYSTEM
MACK PINNACLE (PI) 2018 110000 ELECTRICAL SYSTEM
MACK TERRAPRO (TE) 2018 110000 ELECTRICAL SYSTEM
VOLVO VNX 2018 110000 ELECTRICAL SYSTEM
MACK ANTHEM (AN) 2017 110000 ELECTRICAL SYSTEM
MACK GRANITE (GR) 2017 110000 ELECTRICAL SYSTEM
MACK LEU 2017 110000 ELECTRICAL SYSTEM
MACK MRU 2017 110000 ELECTRICAL SYSTEM
VOLVO VNX 2017 110000 ELECTRICAL SYSTEM
MACK GRANITE (GR) 2016 110000 ELECTRICAL SYSTEM
MACK LEU 2016 110000 ELECTRICAL SYSTEM
MACK MRU 2016 110000 ELECTRICAL SYSTEM
VOLVO VNX 2016 110000 ELECTRICAL SYSTEM
MACK LEU 2015 110000 ELECTRICAL SYSTEM
MACK MRU 2015 110000 ELECTRICAL SYSTEM
VOLVO VNX 2015 110000 ELECTRICAL SYSTEM
MACK LEU 2014 110000 ELECTRICAL SYSTEM
MACK MRU 2014 110000 ELECTRICAL SYSTEM
VOLVO VNX 2014 110000 ELECTRICAL SYSTEM
MACK LEU 2013 110000 ELECTRICAL SYSTEM
MACK MRU 2013 110000 ELECTRICAL SYSTEM
VOLVO VNX 2013 110000 ELECTRICAL SYSTEM
MACK LEU 2012 110000 ELECTRICAL SYSTEM
MACK MRU 2012 110000 ELECTRICAL SYSTEM
MACK LEU 2011 110000 ELECTRICAL SYSTEM
MACK MRU 2011 110000 ELECTRICAL SYSTEM
MACK LEU 2010 110000 ELECTRICAL SYSTEM
MACK TERRAPRO (MRU) 2010 110000 ELECTRICAL SYSTEM
MACK LEU 2009 110000 ELECTRICAL SYSTEM
MACK TERRAPRO (MRU) 2009 110000 ELECTRICAL SYSTEM
MACK LEU 2008 110000 ELECTRICAL SYSTEM
MACK TERRAPRO (MRU) 2008 110000 ELECTRICAL SYSTEM
MACK LEU 2007 110000 ELECTRICAL SYSTEM
MACK MRU 2007 110000 ELECTRICAL SYSTEM
MACK CHU 110000 ELECTRICAL SYSTEM
MACK CXU 110000 ELECTRICAL SYSTEM
MACK GU 110000 ELECTRICAL SYSTEM
MACK LR 110000 ELECTRICAL SYSTEM
MACK TD 110000 ELECTRICAL SYSTEM
VOLVO VAH 110000 ELECTRICAL SYSTEM
VOLVO VHD 110000 ELECTRICAL SYSTEM
VOLVO VNL 110000 ELECTRICAL SYSTEM
VOLVO VNM 110000 ELECTRICAL SYSTEM
VOLVO VNR 110000 ELECTRICAL SYSTEM

Related MACK Recalls

CampaignModelYearComponentSummary
ANTHEM AN (4) 2026 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-...
ANTHEM AN (4) 2027 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-...
PIONEER PR (4) 2025 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-...
PIONEER PR (4) 2026 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-...
PIONEER PR (4) 2027 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized MACK dealer. Bring this bulletin ID (K17039050) 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.