P209A - Reductant Injection Air Pressure Sensor 'B' Circuit
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: 1.0The 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 DescriptionThe 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.
P209A More InformationNeed more information on how to fix the P209A code?
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P209A Information for specific makes
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