P125A - Nitrogen Oxide Sensor Heating Heat Output Too Low During Starting

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P125A Possible Causes

  • Faulty Nitrogen Oxide (NOx) Sensor
  • Nitrogen Oxide (NOx) Sensor harness is open or shorted
  • Nitrogen Oxide (NOx) Sensor circuit poor electrical connection

First diagnose P125A code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the P125A code

    Labor: 1.0

    The cost of diagnosing the P125A code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

P125A Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P125a Description

The Engine Control Module (ECM) monitors the Nitrogen Oxide (NOx) Sensor. The ECM sets the OBDII code when the Nitrogen Oxide (NOx) Sensor is not to factory specifications.
OBDII Code P125a - Nitrogen Oxide Sensor Heating Heat Output Too Low During Starting - AutoCodes.com

P125A More Information

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P125A Information for specific makes

  • P125A BMW Nitrogen Oxide Sensor Heating Heat Output Too Low During Starting
  • P125A MINI Nitrogen Oxide Sensor Heating Heat Output Too Low During Starting

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