NHTSA Campaign Number
21V163000
ELECTRICAL SYSTEM
Reported to NHTSA: March 11, 2021
Key Takeaways
- Recall 21V163000 currently maps to 2 tracked vehicle-year pages across 1 make.
- This page summarizes the official defect description, safety consequence, and remedy text published by NHTSA for this campaign.
- This is a campaign-level lookup, not a VIN-level clearance result. Use a VIN lookup before assuming your specific vehicle is still open.
Defect Description
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.
Safety Consequence
A vehicle fire increases the risk of injury.
Remedy
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 This recall has been superseded by recall number 21V-798.
What This Recall Page Shows
This page summarizes a single NHTSA recall campaign, including the defect description, safety consequence, and manufacturer's remedy. The affected vehicles listed below are the make/model/year combinations tracked in our database — this is not a VIN-specific result. To check whether your individual vehicle is covered by this recall, enter your 17-digit VIN at nhtsa.gov/recalls. Click any vehicle below to view its full safety profile.
Affected Vehicles (2)
Browse Affected Vehicles
Related Electrical Campaigns
These campaigns share the same broad recall component family, so they are useful if you want to compare how similar issue types appeared across other vehicles and time periods.
This recall information is from NHTSA campaign 21V163000. This site is not affiliated with NHTSA. Contact your dealer or call NHTSA's Vehicle Safety Hotline at 1-888-327-4236 for more information.
Data synced from NHTSA on May 4, 2026