OBD Guide

P2ACD

Reductant Temperature Sensor B Circuit Range/Performance

P2ACD is an OBD-II diagnostic trouble code meaning: Reductant Temperature Sensor B Circuit Range/Performance. Common causes: reagent temperature sensor b fault, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reducing engine power (limp mode)
  • Increased consumption of AdBlue reagent
  • Increased NOx emissions
  • SCR error message on instrument panel

Causes

  • Reagent temperature sensor B fault
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Sensor contamination
  • Problems with the SCR control unit

How to Fix

  1. Check the temperature sensor parameters using a diagnostic scanner
  2. Inspect the sensor and its connector for damage
  3. Check the integrity and resistance of the wires to the sensor
  4. Clean or replace sensor if necessary
  5. Reset the error and check the system operation

Related codes

Error P2ACD by Vehicle Brand

FAQ

What does the P2ACD code mean?

P2ACD is an OBD-II diagnostic trouble code that indicates: Reductant Temperature Sensor B Circuit Range/Performance

What causes a P2ACD error code?

The most common causes of P2ACD include: Reagent temperature sensor B fault; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Sensor contamination.

How do I fix a P2ACD diagnostic trouble code?

To fix P2ACD: Check the temperature sensor parameters using a diagnostic scanner. Inspect the sensor and its connector for damage. Check the integrity and resistance of the wires to the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2ACD?

Yes, but get it checked soon

How much does it cost to fix P2ACD?

The estimated repair cost for P2ACD is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat