P209A - Reductant Injection Air Pressure Sensor 'B' Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P209A Possible 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

First diagnose P209A 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 terminals.

Cost of diagnosing the P209A code

    Labor: 1.0

    The cost of diagnosing the P209A code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

P209A Possible Symptoms

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

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 More Information

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P209A 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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