AutoCodes – Chevrolet – P206C Chevrolet

P206C Chevrolet 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 Chevrolet 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.

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Code Popularity 705

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 P206C 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 low for greater than 5 s.

OBDII Code P206C Chevrolet - Reductant Quality Sensor Circuit Low Voltage - AutoCodes.com — P206C Chevrolet Code - Reductant Quality Sensor Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P206C 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 P206C 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 P206C 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.

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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 P206C Chevrolet Code

1. What are the common symptoms of OBDII code P206C Chevrolet (Reductant Quality Sensor Circuit Low Voltage)?

- Common symptoms include the Check Engine Light (CEL) illuminating, reduced engine performance, and possible failsafe mode activation.

2. What can cause the OBDII code P206C Chevrolet to be triggered?

- The code P206C is typically triggered by issues such as a faulty reductant quality sensor, damaged wiring or connectors, or a malfunctioning powertrain control module (PCM).

3. How serious is the OBDII code P206C Chevrolet (Reductant Quality Sensor Circuit Low Voltage)?

- While the code itself may not cause immediate harm to the vehicle, it can lead to decreased fuel efficiency and increased emissions if left unresolved.

4. What are some diagnostic steps to repair the OBDII code P206C Chevrolet?

- Diagnostic steps may include checking the wiring and connectors for damage, testing the reductant quality sensor for proper function, and scanning the PCM for related trouble codes.

5. Can I drive my vehicle with the OBDII code P206C Chevrolet present?

- It is generally not recommended to drive with the P206C code present, as it can impact engine performance and emissions. It's best to address the issue promptly.

6. How can I repair the OBDII code P206C Chevrolet at home?

- If you have experience with automotive diagnostics and repair, you can attempt to inspect the wiring and connectors, test the reductant quality sensor, and clear the code using an OBDII scanner.

7. Will resetting the OBDII code P206C Chevrolet make it go away permanently?

- Resetting the code may temporarily turn off the Check Engine Light, but if the underlying issue is not fixed, the code is likely to return after a certain driving cycle.

8. How much does it cost to repair the OBDII code P206C Chevrolet at a professional mechanic?

- The cost of repairing the P206C code can vary depending on the exact cause of the issue, but it may range from $100 to $500 or more, including parts and labor.

9. Can a faulty reductant quality sensor cause other problems in the vehicle?

- Yes, a faulty reductant quality sensor can lead to decreased fuel efficiency, increased emissions, and potential issues with the vehicle's emission control system.

10. Is it possible to prevent the OBDII code P206C Chevrolet from appearing in the future?

- Regular maintenance, such as checking and replacing sensors as needed, inspecting wiring for damage, and keeping up with vehicle service schedules, can help prevent the recurrence of the P206C trouble code.