OBD Guide

P24E2

NH3 Sensor Circuit Range/Performance

P24E2 is an OBD-II diagnostic trouble code meaning: NH3 Sensor Circuit Range/Performance. Common causes: nh3 sensor malfunction, open or short circuit in the sensor 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
  • Unusual exhaust smell
  • Problems with passing technical inspection

Causes

  • NH3 sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Problems with the engine control unit
  • Sensor contamination

How to Fix

  1. Check the continuity of the NH3 sensor circuit
  2. Check sensor connectors and contacts
  3. Clean the sensor from dirt
  4. Replace NH3 sensor if necessary
  5. Check and update the control unit firmware

Related codes

Error P24E2 by Vehicle Brand

FAQ

What does the P24E2 code mean?

P24E2 is an OBD-II diagnostic trouble code that indicates: NH3 Sensor Circuit Range/Performance

What causes a P24E2 error code?

The most common causes of P24E2 include: NH3 sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Problems with the engine control unit.

How do I fix a P24E2 diagnostic trouble code?

To fix P24E2: Check the continuity of the NH3 sensor circuit. Check sensor connectors and contacts. Clean the sensor from dirt. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24E2?

Yes, but get it checked soon

How much does it cost to fix P24E2?

The estimated repair cost for P24E2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat