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AutoCodes - Generic - P20B1

P20B1 Code - Reductant Heater Coolant Control Valve Circuit/Open

- Code Popularity: 28,030 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P20B1?

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 Heater Coolant Control Valve
  • Reductant Heater Coolant Control Valve harness is open or shorted
  • Reductant Heater Coolant Control Valve circuit poor electrical connection
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How to Fix the DTC P20B1?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P20B1 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P20B1 Description

Reductant Heater Coolant Control Valve Circuit/Open is the generic description for the P20B1 code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information about the P20B1 OBDII code.

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OBDII Code P20B1 - Reductant Heater Coolant Control Valve Circuit/Open - AutoCodes.com
P20B1 Code - Reductant Heater Coolant Control Valve Circuit/Open

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Code P20B1 comments

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