NHTSA recall campaign
21V233000
Electronic Stability Control (Esc) › Control Module › Software
30Affected configurations shown557Potential units affected77.4%Latest completion context
What can happen
Safety consequence
A vehicle that drifts out of its lane increases the risk of a crash.
What fixes it
Official 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.
Recall lifecycle
Repair completion history
Campaign-level completion reporting. This does not determine whether a particular VIN has been repaired.
2021-2
0.0%
2021-3
0.0%
2021-4
0.0%
2022-1
0.0%
2022-2
0.0%
2022-3
0.0%
2022-4
0.0%
2023-1
0.0%
Affected vehicles
Vehicle configurations connected to 21V233000
2022 MACK PINNACLE (CHU)Open vehicle record →2022 MACK GRANITE (GR)Open vehicle record →2022 MACK GRANITE (GU)Open vehicle record →2022 MACK PINNACLE (CXU)Open vehicle record →2022 MACK PINNACLE (PI)Open vehicle record →2022 MACK ANTHEM (AN)Open vehicle record →2021 MACK GRANITE (GR)Open vehicle record →2021 MACK GRANITE (GU)Open vehicle record →2021 MACK PINNACLE (PI)Open vehicle record →2021 MACK ANTHEM (AN)Open vehicle record →2021 MACK PINNACLE (CHU)Open vehicle record →2021 MACK PINNACLE (CXU)Open vehicle record →2020 MACK ANTHEM (AN)Open vehicle record →2020 MACK PINNACLE (CXU)Open vehicle record →2020 MACK GRANITE (GR)Open vehicle record →2020 MACK PINNACLE (CHU)Open vehicle record →2020 MACK PINNACLE (PI)Open vehicle record →2020 MACK GRANITE (GU)Open vehicle record →2019 MACK PINNACLE (CXU)Open vehicle record →2019 MACK GRANITE (GU)Open vehicle record →2019 MACK ANTHEM (AN)Open vehicle record →2019 MACK PINNACLE (CHU)Open vehicle record →2019 MACK PINNACLE (PI)Open vehicle record →2019 MACK GRANITE (GR)Open vehicle record →2018 MACK PINNACLE (PI)Open vehicle record →2018 MACK ANTHEM (AN)Open vehicle record →2018 MACK GRANITE (GR)Open vehicle record →2018 MACK GRANITE (GU)Open vehicle record →2018 MACK PINNACLE (CXU)Open vehicle record →2018 MACK PINNACLE (CHU)Open vehicle record →
Owner action
Campaign pages describe the public recall record. To determine whether your specific vehicle has an unrepaired recall, use your VIN and verify the current status through NHTSA.