P209F
Reductant Tank Heater Control Circuit Performance
P209F is an OBD-II diagnostic trouble code meaning: Reductant Tank Heater Control Circuit Performance. Common causes: reagent tank heating element malfunction, open or short circuit in the heating control circuit. Estimated repair cost: $56–167.
Symptoms
- The Check Engine light comes on
- Reduced efficiency of the exhaust gas cleaning system
- Possible problems starting the engine in cold weather
- SCR System Error Message Appears
- Increased NOx emissions
Causes
- Reagent tank heating element malfunction
- Open or short circuit in the heating control circuit
- Poor contact in the heating circuit connectors
- Malfunction of the relay or heating control unit
- Low level or poor quality of reagent in the tank
How to Fix
- Check the level and quality of the reagent in the tank
- Diagnose the heating circuit for breaks and short circuits
- Check the voltage on the heating element
- Inspect the connectors and contacts of the control circuit
- If necessary, replace the heating element or control unit
Related codes
Error P209F by Vehicle Brand
FAQ
What does the P209F code mean?
P209F is an OBD-II diagnostic trouble code that indicates: Reductant Tank Heater Control Circuit Performance
What causes a P209F error code?
The most common causes of P209F include: Reagent tank heating element malfunction; Open or short circuit in the heating control circuit; Poor contact in the heating circuit connectors; Malfunction of the relay or heating control unit.
How do I fix a P209F diagnostic trouble code?
To fix P209F: Check the level and quality of the reagent in the tank. Diagnose the heating circuit for breaks and short circuits. Check the voltage on the heating element. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P209F?
Yes, but get it checked soon
How much does it cost to fix P209F?
The estimated repair cost for P209F is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat