What Does the Diesel Heater Fault Code Indicate?

1 Answers
DiDallas
07/30/25 3:16am
Diesel heater fault code indicates damage in the control circuit. Basic principle of diesel heaters: They directly burn diesel to generate heat. The diesel heater for heating warms air directly by burning diesel to obtain warm air, while the parking preheater heats the coolant after burning diesel to preheat the engine. The two have slightly different structures but share the same general principle. Benefits of installing a diesel heater: After using a car heater, the engine is preheated, which can significantly reduce engine wear. Starting a car at very low temperatures causes considerable damage to the engine, so preheating with a car heater effectively reduces wear.
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