P1935
Fuel Additive Level Low
P1935 is an OBD-II diagnostic trouble code meaning: Fuel Additive Level Low. Common causes: the additive in the tank has run out, additive level sensor malfunction. Estimated repair cost: $6–22.
Symptoms
- Message on the dashboard indicating low additive level
- Deterioration of fuel system performance
- Reduced engine cleaning efficiency
- Check Engine Light Illuminates
Causes
- The additive in the tank has run out
- Additive level sensor malfunction
- Problems with the dosing system
- Sensor circuit open
- Control unit malfunction
How to Fix
- Check fuel additive level
- Refill with additive if necessary
- Diagnose the level sensor
- Check the integrity of the electrical wiring
- Reset the error and check for reappearance
Related codes
FAQ
What does the P1935 code mean?
P1935 is an OBD-II diagnostic trouble code that indicates: Fuel Additive Level Low
What causes a P1935 error code?
The most common causes of P1935 include: The additive in the tank has run out; Additive level sensor malfunction; Problems with the dosing system; Sensor circuit open.
How do I fix a P1935 diagnostic trouble code?
To fix P1935: Check fuel additive level. Refill with additive if necessary. Diagnose the level sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1935?
Yes, but get it checked soon
How much does it cost to fix P1935?
The estimated repair cost for P1935 is $6–22. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat