Mack Trucks Recall for Anthem and Pioneer Models
Areazine synthesizes this NHTSA vehicle recall directly from NHTSA's official public data feed. See our methodology for full source attribution and refresh cadence.
Mack Trucks, Inc. is recalling certain 2025-2027 Pioneer and 2026-2027 Anthem vehicles due to potential short circuits in rear brake modulators that could lead to loss of anti-lock brakes and electronic stability control.
What this NHTSA vehicle recall tells you, and what most readers miss
This notice was issued by NHTSA on May 4, 2026 and geographically references United States. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Vehicle Recalls - determines the consumer-protection framework behind it, which shapes what remedies (refunds, replacements, repairs, or the recall itself) are available to affected consumers and which agency holds statutory responsibility for enforcement.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.
Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are recall, product-safety, cpsc, trucks.
What Happened
Mack Trucks, Inc. is recalling certain vehicles because the rear brake modulators may have unprotected electrical connectors that can short circuit, resulting in a loss of the anti-lock brake system (ABS) and electronic stability control (ESC).
Which Products Are Affected
The affected products include 2025-2027 Pioneer (4) and 2026-2027 Anthem (4) vehicles. A total of 11,685 units are potentially affected. The NHTSA Campaign Number is 26V261000. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning April 30, 2026.
What You Should Do
Consumers should have dealers inspect the rear brake modulator electrical connectors, install a protective cover, and replace the rear brake modulators if necessary, all free of charge. Owner notification letters are expected to be mailed on June 22, 2026. Owners may contact Mack's customer service at 1-800-866-1177, and Mack's number for this recall is SC0494.
Why This Matters
A loss of anti-lock brakes and electronic stability control increases the risk of a crash or injury, highlighting potential safety concerns for vehicle operators.
Source
This recall information is from the National Highway Traffic Safety Administration (NHTSA). More details can be found at NHTSA.gov using the campaign number 26V261000.
Original source: NHTSA Official Notice ↗
Related Vehicle Recalls
All Vehicle Recalls →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NHTSA vehicle recall: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,340 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 4, 2026.
Frequently Asked Questions
Common questions about this NHTSA vehicle recall.