P209D GMC Code - Reductant Injection Air Pressure Sensor 'B' Circuit High
Quick Answer
The Reductant Injection Air Pressure Sensor sends voltage reading information to the Powertrain Control Module (PCM). Common causes include 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. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P209D GMC indicates Reductant Injection Air Pressure Sensor 'B' Circuit High.
- Common causes
- Common causes include 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.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P209D GMC Description
What are the Possible Causes of the DTC P209D GMC?
- 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
How to Fix the DTC P209D GMC?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P209D GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P209D GMC code?
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Frequently Asked Questions about P209D GMC Code
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