P2037
Reductant Injection Air Pressure Sensor A Circuit
P2037 is an OBD-II diagnostic trouble code meaning: Reductant Injection Air Pressure Sensor A Circuit. Common causes: malfunction of the reagent injection air pressure sensor, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.
Symptoms
- Check Engine Light Is On
- Increased NOx emissions
- Reduced engine power
- Activating emergency engine operation
- SCR system error message on dashboard
Causes
- Malfunction of the reagent injection air pressure sensor
- Open or short circuit in the sensor circuit
- Poor contact in sensor or ECU connectors
- Damaged or clogged injection system pipes
- SCR system control module malfunction
How to Fix
- Check the continuity of the pressure sensor circuit
- Inspect the sensor connectors and contacts for corrosion or damage.
- Check the functionality of the pressure sensor (resistance, signal)
- Check injection system lines for blockages or damage.
- If necessary, replace the reagent injection air pressure sensor
Related codes
Error P2037 by Vehicle Brand
FAQ
What does the P2037 code mean?
P2037 is an OBD-II diagnostic trouble code that indicates: Reductant Injection Air Pressure Sensor A Circuit
What causes a P2037 error code?
The most common causes of P2037 include: Malfunction of the reagent injection air pressure sensor; Open or short circuit in the sensor circuit; Poor contact in sensor or ECU connectors; Damaged or clogged injection system pipes.
How do I fix a P2037 diagnostic trouble code?
To fix P2037: Check the continuity of the pressure sensor circuit. Inspect the sensor connectors and contacts for corrosion or damage.. Check the functionality of the pressure sensor (resistance, signal). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2037?
Yes, but get it checked soon
How much does it cost to fix P2037?
The estimated repair cost for P2037 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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