P2ADD

Reductant Tank Temperature Sensor B Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

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

P2ADB P2ADC P2ADE