OBD Guide

P24EE

NH3 Sensor Processor Performance

P24EE is an OBD-II diagnostic trouble code meaning: NH3 Sensor Processor Performance. Common causes: nh3 sensor malfunction, problems in the sensor electrical circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Increased NOx emissions
  • The SCR system goes into emergency mode

Causes

  • NH3 sensor malfunction
  • Problems in the sensor electrical circuit
  • Sensor processor malfunction
  • Software error in the engine control unit
  • Corroded or damaged connectors

How to Fix

  1. Check the electrical circuit of the NH3 sensor
  2. Check sensor connectors and connections
  3. Scan the control unit for errors
  4. Replace NH3 sensor if necessary
  5. Update ECU software

Related codes

Error P24EE by Vehicle Brand

FAQ

What does the P24EE code mean?

P24EE is an OBD-II diagnostic trouble code that indicates: NH3 Sensor Processor Performance

What causes a P24EE error code?

The most common causes of P24EE include: NH3 sensor malfunction; Problems in the sensor electrical circuit; Sensor processor malfunction; Software error in the engine control unit.

How do I fix a P24EE diagnostic trouble code?

To fix P24EE: Check the electrical circuit of the NH3 sensor. Check sensor connectors and connections. Scan the control unit for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24EE?

Yes, but get it checked soon

How much does it cost to fix P24EE?

The estimated repair cost for P24EE is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat