P2ADB

Reductant Tank Temperature Sensor B Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Increased fuel consumption
SCR system fault message
Increased NOx emissions

Causes

Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Reagent temperature sensor malfunction
Wiring harness damage
Problems with the SCR control module

How to Fix

Check the integrity of the sensor circuit
Inspect connectors and contacts for corrosion or damage
Check the resistance of the temperature sensor
Replace reagent temperature sensor if necessary
Check and update SCR control module software

Related codes

P2ADA P2ADC P2ADD