P2ADD
Reductant Tank Temperature Sensor B Circuit Intermittent/Erratic
P2ADD is an OBD-II diagnostic trouble code meaning: Reductant Tank Temperature Sensor B Circuit Intermittent/Erratic. Common causes: damage to the wiring to the temperature sensor, reagent temperature sensor malfunction. Estimated repair cost: $17–56.
Symptoms
- Check Engine Light Is On
- Possible reduction in engine power
- Increased consumption of reagent (urea)
- Increased NOx emissions
- Unstable reagent temperature readings
Causes
- Damage to the wiring to the temperature sensor
- Reagent temperature sensor malfunction
- Poor contact in the sensor connector
- Short circuit in the sensor circuit
- Problems with the engine ECU
How to Fix
- Check the integrity of the wiring to the sensor
- Inspect the sensor connector for corrosion
- Check the resistance of the temperature sensor
- Replace temperature sensor if necessary
- Reset the error code and check the system
Related codes
Error P2ADD by Vehicle Brand
FAQ
What does the P2ADD code mean?
P2ADD is an OBD-II diagnostic trouble code that indicates: Reductant Tank Temperature Sensor B Circuit Intermittent/Erratic
What causes a P2ADD error code?
The most common causes of P2ADD include: Damage to the wiring to the temperature sensor; Reagent temperature sensor malfunction; Poor contact in the sensor connector; Short circuit in the sensor circuit.
How do I fix a P2ADD diagnostic trouble code?
To fix P2ADD: Check the integrity of the wiring to the sensor. Inspect the sensor connector for corrosion. Check the resistance of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2ADD?
Yes, but get it checked soon
How much does it cost to fix P2ADD?
The estimated repair cost for P2ADD is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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