AutoCodes – Chevrolet – P206D Chevrolet

P206D Chevrolet Code - Reductant Quality Sensor Circuit High 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: P206D Chevrolet indicates Reductant Quality Sensor Circuit High 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.

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Code Popularity 878

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 26, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P206D Chevrolet Description

The Reductant Quality Sensor is located in the reductant tank and uses an ultrasonic signal to measure reductant fluid quality. The reductant quality sensor includes an integrated temperature sensor to measure reductant fluid temperature. The Reductant Quality Sensor communicates with the Reductant Control Module using serial data. The Diagnostic Trouble Code (DTC) will be set Reductant Control Module detects that the Reductant Quality Sensor signal is out of range high for
greater than 5 s.

OBDII Code P206D Chevrolet - Reductant Quality Sensor Circuit High Voltage - AutoCodes.com — P206D Chevrolet Code - Reductant Quality Sensor Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P206D Chevrolet?

Faulty Reductant Quality Sensor
Reductant Quality Sensor harness is open or shorted
Reductant Quality Sensor circuit poor electrical connection

How to Fix the DTC P206D Chevrolet?

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 P206D Chevrolet 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 P206D Chevrolet code?

Need more information on how to fix the P206D Chevrolet code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P206D Chevrolet Code

1. What are the common symptoms of OBDII code P206D in a Chevrolet related to the Reductant Quality Sensor Circuit High Voltage?

- Common symptoms include the illumination of the check engine light, reduced engine performance, and potential issues with the vehicle's emissions system.

2. What typically causes the OBDII code P206D in a Chevrolet?

- The most common causes of this code are faulty reductant quality sensor, wiring issues in the sensor circuit, or a problem with the engine control module (ECM).

3. How can I diagnose the P206D code in my Chevrolet?

- Diagnosis involves using an OBDII scanner to read the code and checking the reductant quality sensor and its circuit for any visible damage or malfunctions.

4. Can I continue driving my Chevrolet with the P206D code triggered?

- It is not recommended to drive your vehicle with the code active, as it can lead to increased emissions, reduced fuel efficiency, and potential damage to the emissions control system.

5. What are the repair options for fixing the P206D code in a Chevrolet?

- Repair options include replacing the reductant quality sensor, repairing any damaged wiring in the circuit, or reprogramming the engine control module if necessary.

6. Are there any DIY tips for addressing the P206D code in a Chevrolet?

- DIY tips include checking the sensor and its connections for any visible issues, ensuring proper wiring connections, and consulting the vehicle's service manual for specific troubleshooting steps.

7. How much does it typically cost to repair the P206D code in a Chevrolet?

- The cost of repair can vary depending on the specific issue causing the code, but it may range from $100 to $500 for parts and labor.

8. Can a faulty reductant quality sensor cause other problems in my Chevrolet?

- Yes, a faulty sensor can lead to issues with the vehicle's emissions system, reduced fuel efficiency, and potential drivability issues if not addressed promptly.

9. Will resetting the check engine light make the P206D code disappear in my Chevrolet?

- Resetting the check engine light without fixing the underlying issue will not resolve the P206D code. It is important to diagnose and repair the root cause of the problem.

10. How can I prevent the P206D code from reoccurring in my Chevrolet?

- Regular maintenance, timely sensor replacements, and addressing any wiring issues promptly can help prevent the recurrence of the P206D code in your Chevrolet.