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AutoCodes - Generic - P209D

P209D Code - Reductant Injection Air Pressure Sensor 'B' Circuit High

- Code Popularity: 3,314 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P209D?

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 P209D?

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 P209D 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 P209D 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 P209D - Reductant Injection Air Pressure Sensor 'B' Circuit High - AutoCodes.com
P209D Code - Reductant Injection Air Pressure Sensor 'B' Circuit High

Need More Information on the Code?

Need more information on how to fix the P209D code? Get Access to Factory Service Manuals

Information for Specific Makes

  • P209D Chevrolet Reductant Injection Air Pressure Sensor 'B' Circuit High
  • P209D Dodge Reductant Injection Air Pressure Sensor 'B' Circuit High
  • P209D Ford Reductant Injection Air Pressure Sensor 'B' Circuit High
  • P209D GMC Reductant Injection Air Pressure Sensor 'B' Circuit High

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Code P209D comments

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