Skip to main content
MyRecallCheckNHTSA recall explorer

NHTSA model-year recall report

2021 Chevrolet 4500HD Recalls

2 campaigns in our verified NHTSA snapshot, with source consequences, remedies, and VIN-specific next steps.

Check exact VIN status Decode a VIN

Urgent NHTSA instruction

Park Outside advisory found

1 campaign carries a Park Outside instruction. Read the highlighted campaign details below and confirm applicability to your VIN immediately.

Campaign 23V266000

2

NHTSA campaigns

2

Affected systems

1

Urgent advisories

Apr 13, 2023

Latest campaign date

At a glance

What the record says

This model year's count is equal to the Chevrolet 4500HD average of 2.0 campaigns per listed year. That is context only—not proof that this year is safer or less safe.

The most frequent affected category is Equipment, appearing in 1 campaign.

  1. 1

    Read

    Review every campaign and urgent instruction below.

  2. 2

    Verify

    Check your exact VIN with NHTSA or the manufacturer.

  3. 3

    Repair

    Contact an authorized dealer if a campaign applies.

Source campaign records

All 2021 Chevrolet 4500HD recall campaigns

Shown newest first. NHTSA summary, consequence, and remedy text is preserved without truncation.

Park outside and away from structures

NHTSA campaign 23V266000

Service Brakes, Hydraulic

Manufacturer: General Motors, LLC

Reported Apr 13, 2023

What is recalled

General Motors. LLC (GM) is recalling certain 2019-2023 Chevrolet 4500HD, 5500HD, and 6500HD Medium-Duty trucks. The brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause an electrical short-circuit.

Safety consequence

An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.

Manufacturer remedy

Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the master cylinder pressure sensor and inspect the wire harness, replacing it, if necessary, free of charge. Owner notification letters were mailed July 11, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222375270.

Campaign history does not confirm applicability or repair status for one VIN.

Campaign details

NHTSA campaign 22V874000

Equipment

Manufacturer: General Motors, LLC

Reported Nov 23, 2022

What is recalled

General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet 4500HD/5500HD/6500HD vehicles. The hex flange lock nuts used in the suspension and steering joints, were improperly heat treated and may break.

Safety consequence

Broken hex flange lock nuts may cause a loss of tension, leading to steering instability, and increasing the risk of a crash.

Manufacturer remedy

Dealers will replace the hex flange lock nuts as necessary, free of charge. Interim owner notification letters informing owners of the safety risk were mailed December 27, 2022. Owner notification letters were mailed February 10, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222391080.

Campaign history does not confirm applicability or repair status for one VIN.

Campaign details

Other Chevrolet 4500HD model years

Compare campaign histories within the same model. Counts are descriptive, not a safety grade.

20212 campaigns
View all model years

Other 2021 Chevrolet recall reports

2021 Chevrolet Tahoe16 campaigns2021 Chevrolet Suburban12 campaigns2021 Chevrolet Silverado 15008 campaigns2021 Chevrolet Silverado 25006 campaigns2021 Chevrolet Bolt Ev5 campaigns2021 Chevrolet Silverado 35005 campaigns

2021 Chevrolet 4500HD recall questions

How many recalls does the 2021 Chevrolet 4500HD have?

This verified dataset contains 2 NHTSA campaigns associated with the 2021 Chevrolet 4500HD. A campaign can apply to some, not all, vehicles of the same model year.

Does this confirm an open recall for my 2021 Chevrolet 4500HD?

No. This page is a model-year campaign history. Use NHTSA's official lookup or an authorized dealer to confirm whether a campaign applies to your exact VIN and whether the repair remains open.

Are vehicle recall repairs free?

When a safety recall campaign applies to your VIN, the manufacturer remedy is generally provided at no charge through an authorized dealer. Confirm eligibility and scheduling with the manufacturer or dealer.

Source: NHTSA. Dataset includes campaigns through Jul 30, 2026. Last processed Aug 8, 2026. Methodology