P206C Code - Reductant Quality Sensor Circuit Low Voltage
Quick Answer
The Reductant Quality Sensor is located in the reductant tank and uses an ultrasonic signal to measure reductant fluid quality. Common causes include Faulty Reductant Quality Sensor, Reductant Quality Sensor harness is open or shorted, Reductant Quality 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
- P206C indicates Reductant Quality Sensor Circuit Low Voltage.
- Common causes
- Common causes include Faulty Reductant Quality Sensor, Reductant Quality Sensor harness is open or shorted, Reductant Quality 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 P206C Description
What are the Possible Causes of the DTC P206C?
- Faulty Reductant Quality Sensor
- Reductant Quality Sensor harness is open or shorted
- Reductant Quality Sensor circuit poor electrical connection
How to Fix the DTC P206C?
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 P206C 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.
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Get the P206C code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P206C Buick — Reductant Quality Sensor Circuit Low Voltage
- P206C Cadillac — Reductant Quality Sensor Circuit Low Voltage
- P206C Chevrolet — Reductant Quality Sensor Circuit Low Voltage
- P206C Ford — Reductant Quality Sensor Circuit Low
- P206C GMC — Reductant Quality Sensor Circuit Low Voltage
Frequently Asked Questions about P206C Code
1. What are the common symptoms of OBDII code P206C (Reductant Quality Sensor Circuit Low Voltage)?
- Common symptoms include poor engine performance, reduced fuel efficiency, and the illumination of the check engine light.
2. What are the possible causes of OBDII code P206C?
- The code P206C can be triggered by issues such as a faulty reductant quality sensor, damaged wiring or connectors in the sensor circuit, or a malfunction in the powertrain control module (PCM).
3. How can I diagnose the cause of OBDII code P206C?
- To diagnose the cause of code P206C, you can use an OBDII scanner to retrieve the code and then perform a thorough inspection of the reductant quality sensor, its wiring, and connectors for any visible damage or corrosion.
4. Can I continue driving with OBDII code P206C?
- It is not recommended to continue driving with OBDII code P206C as it can lead to further damage to the vehicle's emission control system and potentially affect engine performance.
5. How can I repair OBDII code P206C?
- Repairing OBDII code P206C may involve replacing the faulty reductant quality sensor, repairing or replacing damaged wiring or connectors in the sensor circuit, or reprogramming the PCM.
6. Are there any DIY tips for fixing OBDII code P206C?
- While some basic troubleshooting steps can be taken, diagnosing and repairing OBDII code P206C may require specialized tools and knowledge, so it is recommended to consult a professional mechanic.
7. How much does it cost to fix OBDII code P206C at a repair shop?
- The cost of fixing OBDII code P206C can vary depending on the specific cause of the issue, but it may range from $100 to $500, including parts and labor.
8. Can a bad reductant quality sensor cause other issues in the vehicle?
- Yes, a bad reductant quality sensor can cause issues such as poor emission control, reduced fuel efficiency, and potential damage to other components of the vehicle's emission system.
9. Is OBDII code P206C a common issue in certain car models?
- OBDII code P206C related to the reductant quality sensor circuit low voltage is more common in vehicles equipped with diesel engines and advanced emission control systems.
10. How often should the reductant quality sensor be inspected to prevent OBDII code P206C?
- It is recommended to have the reductant quality sensor inspected during routine maintenance checks or whenever you experience symptoms related to emission control or fuel efficiency issues.
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