Engine-Codes - Generic - P206B

P206B Code - Reductant Quality Sensor Circuit Performance

- Code Popularity: 17,650 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P206B?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Reductant Quality Sensor
  • Reductant Quality Sensor harness is open or shorted
  • Reductant Quality Sensor circuit poor electrical connection
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How to Fix the DTC P206B?

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 connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P206B code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P206B Code Mean?

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 a performance fault on the Reductant Quality Sensor for greater than 5 min.

P206B Code - Reductant Quality Sensor Circuit Performance

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Code P206B Information for Specific Makes

  • P206B Buick Reductant Quality Sensor Circuit Performance
  • P206B Cadillac Reductant Quality Sensor Circuit Performance
  • P206B Chevrolet Reductant Quality Sensor Circuit Performance
  • P206B Ford Reductant Quality Sensor Circuit Range/Performance
  • P206B GMC Reductant Quality Sensor Circuit Performance

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