Engine-CodesDodge – P20B0 Dodge

P20B0 Dodge Code - Diesel Exhaust Fluid Reductant Pump Temperature Performance

Quick Answer

The P20B0 diagnostic trouble code (DTC) for Dodge vehicles specifically relates to the Diesel Exhaust Fluid (DEF) Reductant Pump Temperature Performance. Common causes include Faulty temperature sensor, Wiring issues or corrosion, Defective reductant pump. 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
P20B0 Dodge indicates Diesel Exhaust Fluid Reductant Pump Temperature Performance.
Common causes
Common causes include Faulty temperature sensor, Wiring issues or corrosion, Defective reductant pump.
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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P20B0 Dodge Description

The P20B0 diagnostic trouble code (DTC) for Dodge vehicles specifically relates to the Diesel Exhaust Fluid (DEF) Reductant Pump Temperature Performance. This code indicates that there is a fault in the reductant pump temperature sensor circuit, which monitors the temperature of the DEF reductant pump. The reductant pump is responsible for delivering the DEF fluid to the exhaust system to help reduce harmful emissions.

OBDII Code P20B0 Dodge - Diesel Exhaust Fluid Reductant Pump Temperature Performance
P20B0 Dodge Code - Diesel Exhaust Fluid Reductant Pump Temperature Performance

Common Causes of P20B0 Dodge

  1. Faulty temperature sensor
  2. Wiring issues or corrosion
  3. Defective reductant pump
  4. Software or ECM issues
  5. DEF contamination or quality issues

Symptoms of P20B0 Dodge

  1. Check Engine Light is illuminated
  2. Reduced fuel efficiency
  3. Poor acceleration or engine performance
  4. Increased emissions
  5. DEF fluid consumption may increase

How to Fix P20B0 Dodge

  1. Diagnose the root cause of the issue by using a diagnostic scanner to read the code and pinpoint the problem area.
  2. Inspect the wiring harness and connections for any signs of damage or corrosion. Repair or replace as necessary.
  3. Test the reductant pump temperature sensor to ensure it is functioning correctly. Replace if faulty.
  4. Check the reductant pump for any signs of damage or malfunction. Replace if necessary.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P20B0 Dodge

The cost of repairing a P20B0 DTC can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $200 to $500 for parts and labor. However, it's important to note that this is just an estimate, and actual costs may be higher or lower depending on the circumstances. Be sure to get a detailed quote from a qualified mechanic before proceeding with the repair.

Tech Notes for P20B0 Dodge

- Faulty Reductant Metering Unit Temperature Sensor

- Reductant Metering Unit Temperature Sensor harness is open or shorted

- Reductant Metering Unit Temperature Sensor circuit poor electrical connection

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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.

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