TSB: MACK ANTHEM, ANTHEM (AN), CHU, CXU, GRANITE (GR), GRANITE (GU), GU, PINNACLE (PI), TD, VAH, VHD, VHL, VN, VNL, VNM, VNR (2007–2023)

Bulletin KC-2253 — February 7, 2023

Bulletin Details

Bulletin IDKC-2253
ManufacturerMACK
ModelsANTHEM, ANTHEM (AN), CHU, CXU, GRANITE (GR), GRANITE (GU), GU, PINNACLE (PI), TD, VAH, VHD, VHL, VN, VNL, VNM, VNR
Model Years2007–2023
Date IssuedFebruary 7, 2023
Date Added to NHTSAMarch 6, 2023
ComponentSUSPENSION
Vehicles Affected67 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

Barksdale Height Control Valve Troubleshooting Guide

Affected Vehicles

MakeModelYearComponent
MACK ANTHEM (AN) 2023 020000 SUSPENSION
MACK ANTHEM (AN) 2023 020000 SUSPENSION
MACK GRANITE (GR) 2023 020000 SUSPENSION
MACK GRANITE (GR) 2023 020000 SUSPENSION
MACK GRANITE (GU) 2023 020000 SUSPENSION
MACK PINNACLE (PI) 2023 020000 SUSPENSION
MACK ANTHEM (AN) 2022 020000 SUSPENSION
MACK ANTHEM (AN) 2022 020000 SUSPENSION
MACK GRANITE (GR) 2022 020000 SUSPENSION
MACK GRANITE (GR) 2022 020000 SUSPENSION
MACK GRANITE (GU) 2022 020000 SUSPENSION
MACK PINNACLE (PI) 2022 020000 SUSPENSION
MACK ANTHEM (AN) 2021 020000 SUSPENSION
MACK ANTHEM (AN) 2021 020000 SUSPENSION
MACK GRANITE (GR) 2021 020000 SUSPENSION
MACK GRANITE (GR) 2021 020000 SUSPENSION
MACK GRANITE (GU) 2021 020000 SUSPENSION
MACK PINNACLE (PI) 2021 020000 SUSPENSION
MACK ANTHEM (AN) 2020 020000 SUSPENSION
MACK ANTHEM (AN) 2020 020000 SUSPENSION
MACK GRANITE (GR) 2020 020000 SUSPENSION
MACK GRANITE (GR) 2020 020000 SUSPENSION
MACK GRANITE (GU) 2020 020000 SUSPENSION
MACK PINNACLE (PI) 2020 020000 SUSPENSION
MACK ANTHEM (AN) 2019 020000 SUSPENSION
MACK ANTHEM (AN) 2019 020000 SUSPENSION
MACK GRANITE (GR) 2019 020000 SUSPENSION
MACK GRANITE (GR) 2019 020000 SUSPENSION
MACK GRANITE (GU) 2019 020000 SUSPENSION
MACK PINNACLE (PI) 2019 020000 SUSPENSION
MACK ANTHEM (AN) 2018 020000 SUSPENSION
MACK ANTHEM (AN) 2018 020000 SUSPENSION
MACK GRANITE (GR) 2018 020000 SUSPENSION
MACK GRANITE (GR) 2018 020000 SUSPENSION
MACK GRANITE (GU) 2018 020000 SUSPENSION
MACK PINNACLE (PI) 2018 020000 SUSPENSION
MACK ANTHEM (AN) 2017 020000 SUSPENSION
MACK ANTHEM (AN) 2017 020000 SUSPENSION
MACK GRANITE (GR) 2017 020000 SUSPENSION
MACK GRANITE (GR) 2017 020000 SUSPENSION
MACK GRANITE (GU) 2017 020000 SUSPENSION
MACK ANTHEM 2016 020000 SUSPENSION
MACK GRANITE (GR) 2016 020000 SUSPENSION
MACK GRANITE (GR) 2016 020000 SUSPENSION
MACK GRANITE (GU) 2016 020000 SUSPENSION
MACK GRANITE (GR) 2015 020000 SUSPENSION
MACK GRANITE (GR) 2015 020000 SUSPENSION
MACK GRANITE (GU) 2015 020000 SUSPENSION
MACK GRANITE (GU) 2014 020000 SUSPENSION
MACK GRANITE (GU) 2013 020000 SUSPENSION
MACK GRANITE (GU) 2012 020000 SUSPENSION
MACK GRANITE (GU) 2011 020000 SUSPENSION
MACK GRANITE (GU) 2010 020000 SUSPENSION
MACK GRANITE (GU) 2009 020000 SUSPENSION
MACK GRANITE (GU) 2008 020000 SUSPENSION
MACK GRANITE (GU) 2007 020000 SUSPENSION
MACK CHU 020000 SUSPENSION
MACK CXU 020000 SUSPENSION
MACK GU 020000 SUSPENSION
MACK TD 020000 SUSPENSION
VOLVO VAH 020000 SUSPENSION
VOLVO VHD 020000 SUSPENSION
VOLVO VHL 020000 SUSPENSION
VOLVO VN 020000 SUSPENSION
VOLVO VNL 020000 SUSPENSION
VOLVO VNM 020000 SUSPENSION
VOLVO VNR 020000 SUSPENSION

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 (KC-2253) 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.