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AutoCodes - Generic - P209A

P209A Code - Reductant Injection Air Pressure Sensor 'B' Circuit

- Code Popularity: 5,552 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P209A?

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 Reductant Injection Air Pressure Sensor
  • Reductant Injection Air Pressure Sensor harness is open or shorted
  • Reductant Injection Air Pressure Sensor circuit poor electrical connection
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How to Fix the DTC P209A?

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 P209A 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 P209A Description

The Reductant Injection Air Pressure Sensor sends voltage reading information to the Powertrain Control Module (PCM). The PCM interprets these readings as pressure or exhaust gas temperature. The code is set when the voltage sent from the sensor to the PCM is out of factory specifications.

OBDII Code P209A - Reductant Injection Air Pressure Sensor 'B' Circuit - AutoCodes.com
P209A Code - Reductant Injection Air Pressure Sensor 'B' Circuit

Need More Information on the Code?

Need more information on how to fix the P209A code? Get Access to Factory Service Manuals

Information for Specific Makes

  • P209A Chevrolet Reductant Injection Air Pressure Sensor 'B' Circuit
  • P209A Dodge Reductant Injection Air Pressure Sensor 'B' Circuit
  • P209A Ford Reductant Injection Air Pressure Sensor 'B' Circuit
  • P209A GMC Reductant Injection Air Pressure Sensor 'B' Circuit

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Code P209A comments

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