2021 Ram (4 models) Electrical System Recall 21V163000 (Ram Y08)

NHTSA recall 21V163000 (Ram recall Y08) covers about 19,214 2021 Ram (4 models) vehicles (electrical system), filed with NHTSA Mar 11, 2021. There is no do-not-drive or park-outside advisory.

Source: NHTSA campaign 21V163000 · Data as of Nov 6, 2026 · By CarWhere Research

19,214
vehicles affected (potential)
2021
model years
Mar 11, 2021
filed with NHTSA
None
NHTSA advisory

What's recalled

Component: Electrical system

Chrysler (FCA US, LLC) is recalling certain 2021 Ram 2500, 3500, and 3500, 4500, and 5500 Cab Chassis vehicles equipped with a Cummins 6.7L Turbo Diesel engine. An electrical short may occur in the Solid State Intake Heater Grid Relay, which could result in a vehicle fire.

The risk

A vehicle fire increases the risk of injury.

The remedy and its status

Dealers will inspect and, if needed, replace the Solid State Intake Heater Grid Relay ("Relay"); if FCA US Recall ID Y08 (NHTSA Recall ID 21V-163) is open, then insulating material will be applied to the Relay after inspection. Customers are advised to not park these vehicles inside of buildings or structures, or near other vehicles until the vehicle has the final repair completed. Owner notification letters were mailed November 10, 2021. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y76. Owners may contact FCA US LLC customer service at 1-800-853-1403. FCA US LLC's number for this recall is Y08. This recall has been superseded by recall number 21V-798.

Status: NHTSA lists May 3, 2021 as the owner-notification date for this campaign.

Notes: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Ram recall number Y08

NHTSA lists the manufacturer's own recall number for 21V163000 as Y08. Owner letters and dealer service departments often use this code, so a search for "Y08 recall" refers to the same campaign.

Affected models and years

Models and model years NHTSA lists for this campaign. Not every vehicle of a listed model and year is included; check by VIN.

VehicleModel yearsMore
Ram 25002021All 2500 recallsYears to avoid
Ram 35002021All 3500 recallsYears to avoid
Ram 45002021All 4500 recallsYears to avoid
Ram 55002021All 5500 recallsYears to avoid

Key dates

Report filed with NHTSA
Mar 11, 2021
Owner notification
May 3, 2021
Recall initiated by
the manufacturer
Filed by
Chrysler (FCA US, LLC)

Check your VIN for 21V163000

  1. Find the 17-character VIN on the driver-side dashboard (visible through the windshield), the door-jamb sticker, or your registration.
  2. Enter it in NHTSA's free VIN recall lookup. It shows every open recall on that exact vehicle, including this one if it applies and hasn't been repaired.
  3. If 21V163000 is open, call any Ram dealer's service department and give them the recall number (21V163000 or Y08). The repair is free.

Not sure of the exact model or year? Decode it first with the free VIN decoder.

Frequently asked questions

What is recall 21V163000?

NHTSA recall 21V163000 (Ram recall Y08) covers about 19,214 2021 Ram (4 models) vehicles (electrical system), filed with NHTSA Mar 11, 2021. There is no do-not-drive or park-outside advisory. It covers certain 2021 Ram 2500, 3500, and 3500, 4500, and 5500 Cab Chassis vehicles equipped with a Cummins 6.7L Turbo Diesel engine.

Is it safe to drive a vehicle with recall 21V163000?

NHTSA's record for 21V163000 carries no do-not-drive or park-outside advisory. The risk NHTSA lists is: "A vehicle fire increases the risk of injury." Get the free repair as soon as it is available for your vehicle.

How do I know if my vehicle is affected by 21V163000?

Only a VIN lookup can tell you. Not every vehicle of the listed models and years is included, and repaired vehicles drop off. Enter your 17-character VIN in NHTSA's free recall lookup at nhtsa.gov/recalls, or ask any Ram dealer to check it.

What is the fix for recall 21V163000, and is it free?

NHTSA's record says: "Dealers will inspect and, if needed, replace the Solid State Intake Heater Grid Relay ("Relay"); if FCA US Recall ID Y08 (NHTSA Recall ID 21V-163) is open, then insulating material will be applied to the Relay after inspection." NHTSA lists May 3, 2021 as the owner-notification date for this campaign. Safety-recall repairs are done free of charge at authorized dealers.

What is the Ram recall number for 21V163000?

NHTSA lists the manufacturer's own recall number as Y08. Dealers and owner letters often use that code (Y08) instead of the NHTSA campaign number 21V163000.

Sources and method

  • NHTSA recall record for 21V163000, from NHTSA's public recall campaign database. Problem, risk and remedy text is NHTSA's own wording.
  • "Vehicles affected" is NHTSA's potential-units-affected count for the whole campaign.
  • Data as of Nov 6, 2026. NHTSA updates campaigns as manufacturers file amendments, so check the official record for the latest.

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