Engine-CodesDodge – P205A Dodge

P205A Dodge Code - Reductant Tank Temperature Sensor Circuit

Quick Answer

The P205A diagnostic trouble code for Dodge vehicles refers to the Reductant Tank Temperature Sensor Circuit. Common causes include Faulty reductant tank temperature sensor, Wiring issues or electrical faults in the sensor circuit, Corrosion or damage to sensor connectors. 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
P205A Dodge indicates Reductant Tank Temperature Sensor Circuit.
Common causes
Common causes include Faulty reductant tank temperature sensor, Wiring issues or electrical faults in the sensor circuit, Corrosion or damage to sensor connectors.
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 P205A Dodge Description

The P205A diagnostic trouble code for Dodge vehicles refers to the Reductant Tank Temperature Sensor Circuit. This code indicates a problem with the sensor that is responsible for monitoring the temperature of the reductant tank, which is a crucial component of the vehicle's emissions control system. The reductant tank, also known as the diesel exhaust fluid (DEF) tank, contains the fluid that is injected into the exhaust system to reduce harmful emissions.

OBDII Code P205A Dodge - Reductant Tank Temperature Sensor Circuit
P205A Dodge Code - Reductant Tank Temperature Sensor Circuit

Common Causes of P205A Dodge

  1. Faulty reductant tank temperature sensor
  2. Wiring issues or electrical faults in the sensor circuit
  3. Corrosion or damage to sensor connectors
  4. DEF fluid contamination affecting sensor readings
  5. Software issues or calibration errors in the vehicle's computer system

Symptoms of P205A Dodge

  1. Check engine light illuminated
  2. Reduced fuel efficiency
  3. Increased emissions output
  4. Engine performance issues
  5. DEF system warning message on the dashboard

How to Fix P205A Dodge

  1. Diagnose the issue by using a scan tool to read the fault codes and perform a visual inspection of the sensor and wiring.
  2. Test the reductant tank temperature sensor to determine if it is functioning correctly.
  3. Check the wiring and connectors for any damage or corrosion, and repair or replace as needed.
  4. Clear the fault codes and reset the check engine light.
  5. Test drive the vehicle to ensure the issue has been resolved and that the check engine light does not reappear.

Cost to Fix P205A Dodge

The cost of repairing a P205A code for the Reductant Tank Temperature Sensor Circuit 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. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's best to get a quote from a trusted mechanic before proceeding with the repairs.

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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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