AutoCodes - Generic - P040B

P040B Code - Exhaust Gas Recirculation Temperature Sensor 'A' Circuit Range/Performance

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

|P040B 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 P040B 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 P040B code

Labor: 1.0

The cost of diagnosing the P040B 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 P040B code possible symptoms?

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

|P040B 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 P040b - Exhaust Gas Recirculation Temperature Sensor 'A' Circuit Range/Performance - AutoCodes.com

|Need more information with the P040B code?

Need more information on how to fix the P040B code? Get Access to Factory Service Manuals

|P040B code information for specific makes

  • P040B CHEVROLET Exhaust Gas Recirculation Temperature Sensor 'A' Circuit Range/Performance
  • P040B DODGE Exhaust Gas Recirculation Temperature Sensor 'A' Circuit Range/Performance
  • P040B FORD Exhaust Gas Recirculation Temperature Sensor 'A' Circuit Performance
  • P040B GMC Exhaust Gas Recirculation Temperature Sensor 'A' Circuit Range/Performance
  • P040B ISUZU Exhaust Gas Recirculation Temperature Sensor 1 Circuit Performance

|Need help with a P040B code?

Get the P040b code diagnosed by a professional: Find a repair shop in your area

|P040B code comments

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Repair Importance Level: 3
 
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