OBD Guide

P2ADE

Reductant Tank Temperature Sensor B Circuit

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
  • Possible SCR error messages on the dashboard
  • Increased emissions

Causes

  • Reagent tank B temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Corroded contacts or damaged wiring
  • SCR control module malfunction

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Check the resistance of the temperature sensor
  3. Check the voltage in the sensor circuit
  4. Replace temperature sensor if necessary
  5. Reset the error code and check if it returns

Related codes

Error P2ADE by Vehicle Brand