P205C Dodge Code - Reductant Tank Temperature Sensor Circuit Low
Quick Answer
The P205C diagnostic trouble code (DTC) for Dodge vehicles refers to a fault in the Reductant Tank Temperature Sensor Circuit, indicating that the temperature sensor in the reductant tank is reading a lower than expected value. Common causes include Faulty reductant tank temperature sensor, Wiring issues or loose connections in the sensor circuit, Corrosion or contamination affecting sensor operation. 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
- P205C Dodge indicates Reductant Tank Temperature Sensor Circuit Low.
- Common causes
- Common causes include Faulty reductant tank temperature sensor, Wiring issues or loose connections in the sensor circuit, Corrosion or contamination affecting sensor operation.
- 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 P205C Dodge Description
The P205C diagnostic trouble code (DTC) for Dodge vehicles refers to a fault in the Reductant Tank Temperature Sensor Circuit, indicating that the temperature sensor in the reductant tank is reading a lower than expected value. The reductant tank, commonly known as the diesel exhaust fluid (DEF) tank, contains a liquid solution that helps reduce harmful emissions produced by diesel engines. The temperature sensor is crucial for monitoring the DEF fluid temperature, ensuring optimal performance of the selective catalytic reduction (SCR) system.
Common Causes of P205C Dodge
- Faulty reductant tank temperature sensor
- Wiring issues or loose connections in the sensor circuit
- Corrosion or contamination affecting sensor operation
- ECM software or hardware failure
- DEF fluid contamination affecting sensor readings
Symptoms of P205C Dodge
- Check engine light illuminated
- Reduced fuel efficiency
- Poor engine performance
- Increased exhaust emissions
- DEF fluid level warning
How to Fix P205C Dodge
- Begin by verifying the P205C code with a diagnostic scan tool to confirm the issue.
- Inspect the wiring harness and sensor connections for any damage, corrosion, or loose connections.
- Check the reductant tank temperature sensor for proper operation and replace if necessary.
- Clear the DTC and reset the ECM to see if the code reappears after repairs.
- Test drive the vehicle to ensure the check engine light does not return and monitor DEF system performance.
Cost to Fix P205C Dodge
The cost of repairing a P205C code can vary depending on the specific cause of the issue. In general, replacing a faulty reductant tank temperature sensor can range from $100 to $300, including parts and labor. However, if wiring repairs or ECM reprogramming are needed, the total cost could be higher. Additional diagnostic time and labor charges may apply, with hourly rates typically ranging from $80 to $150 at most auto repair shops. It's advisable to consult with a qualified mechanic or dealership for an accurate estimate based on your vehicle make and model.
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