Engine-Codes - Generic - P209D

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

- Code Popularity: 3,315 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?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P209D code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P209D Code Mean?

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.

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

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Code P209D 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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