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P143E Code - Direct Ozone Reduction Catalyst Temperature Sensor Gradient Too Low

- Code Popularity: 6,718 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P143E?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Direct Ozone Reduction Catalyst Temperature Sensor
  • Direct Ozone Reduction Catalyst Temperature Sensor harness is open or shorted
  • Direct Ozone Reduction Catalyst Temperature Sensor circuit poor electrical connection
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How to Fix the DTC P143E?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P143E code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P143E Description

The Engine Control Module (ECM) monitors the Direct Ozone Reduction Catalyst Temperature Sensor. The ECM sets the OBDII code when the Direct Ozone Reduction Catalyst Temperature Sensor is not to factory specifications.

OBDII Code P143E - Direct Ozone Reduction Catalyst Temperature Sensor Gradient Too Low - AutoCodes.com
P143E Code - Direct Ozone Reduction Catalyst Temperature Sensor Gradient Too Low

Need More Information on the Code?

Need more information on how to fix the P143E code? Get Access to Factory Service Manuals

Information for Specific Makes

  • P143E BMW Direct Ozone Reduction Catalyst Temperature Sensor Gradient Too Low
  • P143E Buick Fuel Level Sensor 2 Reference Feedback Performance  📷
  • P143E Cadillac Fuel Level Sensor 2 Reference Feedback Performance  📷
  • P143E Chevrolet Fuel Level Sensor 2 Reference Feedback Performance  📷
  • P143E GMC Fuel Level Sensor 2 Reference Feedback Performance  📷
  • P143E MINI Direct Ozone Reduction Catalyst Temperature Sensor Gradient Too Low

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