Replace Diesel Exhaust Fluid (DEF) Heater
Emissions System
The DEF heater warms diesel exhaust fluid so it can be sprayed into the exhaust system to reduce pollution. A failed heater prevents the fluid from working properly and triggers warning lights.
Estimated Cost
$250–$700🔒
Parts + labor, based on the parts this service typically requires. Not specific to your vehicle or region — this spans all vehicles, all regions, and all part grades, so treat it as a rough ballpark rather than a quote.