OBD Guide

P2ADA

Reductant Tank Temperature Sensor B Circuit Range/Performance

P2ADA is an OBD-II diagnostic trouble code meaning: Reductant Tank Temperature Sensor B Circuit Range/Performance. Common causes: reagent tank b temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced efficiency of the SCR system
  • Possible increase in NOx emissions
  • In some cases - limiting engine power

Causes

  • Reagent tank B temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Corroded contacts or damaged wiring
  • Control module malfunction (rare)

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Check the resistance and voltage at the sensor
  3. Replace temperature sensor if necessary
  4. Clear contacts and restore connections
  5. Check the operation of the system after repair

Related codes

Error P2ADA by Vehicle Brand

FAQ

What does the P2ADA code mean?

P2ADA is an OBD-II diagnostic trouble code that indicates: Reductant Tank Temperature Sensor B Circuit Range/Performance

What causes a P2ADA error code?

The most common causes of P2ADA include: Reagent tank B temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Corroded contacts or damaged wiring.

How do I fix a P2ADA diagnostic trouble code?

To fix P2ADA: Check the integrity of the sensor wiring and connectors. Check the resistance and voltage at the sensor. Replace temperature sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2ADA?

Yes, but get it checked soon

How much does it cost to fix P2ADA?

The estimated repair cost for P2ADA is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat