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P040A Chevrolet Code - Exhaust Gas Recirculation Temperature Sensor 'A' Circuit

- Code Popularity: 1,466 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P040A Chevrolet?

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 Exhaust Gas Recirculation Temperature Sensor 'A'
  • Exhaust Gas Recirculation Temperature Sensor 'A' harness is open or shorted
  • Exhaust Gas Recirculation Temperature Sensor 'A' circuit poor electrical connection
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How to Fix the DTC P040A Chevrolet?

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 P040A Chevrolet 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 P040A Chevrolet Description

The Engine Control Module (ECM) monitors the Exhaust Gas Recirculation (EGR) Temperature Sensor 'A' Circuit Performance, which measures the temperature of the exhaust gas. The EGR Temperature Sensor functions by increasing the resistance with increasing exhaust gas temperature. The ECM sets the OBDII code when the EGR Temperature Sensor signal is not to factory specifications.

OBDII Code P040A Chevrolet - Exhaust Gas Recirculation Temperature Sensor 'A' Circuit - AutoCodes.com
P040A Chevrolet Code - Exhaust Gas Recirculation Temperature Sensor 'A' Circuit

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Code P040A Chevrolet comments

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