P1922
Fuel Additive Level Circuit Malfunction
P1922 is an OBD-II diagnostic trouble code meaning: Fuel Additive Level Circuit Malfunction. Common causes: additive level sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Deterioration of environmental indicators
- Inability to check additive level
- Errors in the SCR (selective catalytic reduction) system
Causes
- Additive level sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in connectors
- Engine control unit malfunction
- Problems with the additive reservoir
How to Fix
- Check the continuity of the additive level sensor circuit
- Check connectors and contacts for oxidation
- Test additive level sensor
- Check the operation of the control unit
- Replace additive level sensor if necessary
Related codes
FAQ
What does the P1922 code mean?
P1922 is an OBD-II diagnostic trouble code that indicates: Fuel Additive Level Circuit Malfunction
What causes a P1922 error code?
The most common causes of P1922 include: Additive level sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in connectors; Engine control unit malfunction.
How do I fix a P1922 diagnostic trouble code?
To fix P1922: Check the continuity of the additive level sensor circuit. Check connectors and contacts for oxidation. Test additive level sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1922?
Yes, but get it checked soon
How much does it cost to fix P1922?
The estimated repair cost for P1922 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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