AutoCodes - Generic - P040A

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

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P040A code possible 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

|How do I fix the P040A 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 connector's pins.

|Cost of diagnosing the P040A code

Labor: 1.0

The cost of diagnosing the P040A code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P040A code possible symptoms?

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

|P040A code 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 - Exhaust Gas Recirculation Temperature Sensor 'A' Circuit - AutoCodes.com

|Need more information with the P040A code?

Need more information on how to fix the P040A code? Get Access to Factory Service Manuals

|P040A code information for specific makes

  • P040A CHEVROLET Exhaust Gas Recirculation Temperature Sensor 'A' Circuit
  • P040A DODGE Exhaust Gas Recirculation Temperature Sensor 'A' Circuit
  • P040A FORD Exhaust Gas Recirculation Temperature Sensor 'A' Circuit
  • P040A GMC Exhaust Gas Recirculation Temperature Sensor 'A' Circuit

|Need help with a P040A code?

Get the P040a code diagnosed by a professional: Find a repair shop in your area

|P040A code comments

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Repair Importance Level: 3
 
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