P205B Chevrolet Code - Reductant Tank Temperature Sensor Circuit Range/Performance
Quick Answer
The Reductant Tank Temperature Sensor is a variable resistor used to measure the temperature inside the reductant tank. Common causes include Faulty Reductant Pump and Sensor Assembly, Reductant Pump and Sensor Assembly harness is open or shorted, Reductant Pump and Sensor Assembly circuit poor electrical connection. 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
- P205B Chevrolet indicates Reductant Tank Temperature Sensor Circuit Range/Performance.
- Common causes
- Common causes include Faulty Reductant Pump and Sensor Assembly, Reductant Pump and Sensor Assembly harness is open or shorted, Reductant Pump and Sensor Assembly circuit poor electrical connection.
- 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.
Code P205B Chevrolet Description
What are the Possible Causes of the DTC P205B Chevrolet?
- Faulty Reductant Pump and Sensor Assembly
- Reductant Pump and Sensor Assembly harness is open or shorted
- Reductant Pump and Sensor Assembly circuit poor electrical connection
- Faulty Reductant Control Module
How to Fix the DTC P205B Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P205B Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P205B Chevrolet Code
What does OBDII code P205B mean for a Chevrolet?
Code P205B indicates an issue with the Reductant Tank Temperature Sensor Circuit, specifically its range or performance. This sensor monitors the temperature of the diesel exhaust fluid (DEF) in the tank.
What are the symptoms of code P205B?
Common symptoms include the check engine light turning on, possible DEF system warnings, reduced engine performance, and issues with emissions control.
What causes code P205B to appear?
Causes can include a faulty reductant tank temperature sensor, damaged wiring or connectors, corrosion in the circuit, or a malfunctioning DEF control module.
How do I diagnose code P205B?
Diagnose the code by inspecting the wiring and connections to the reductant tank temperature sensor, testing the sensor's functionality, and ensuring the DEF control module is operating correctly.
Can I drive my Chevrolet with code P205B active?
While the vehicle may still be drivable, ignoring this code can lead to reduced emissions system efficiency and possible limp mode if the DEF system malfunctions further.
How do I fix code P205B on my Chevrolet?
Repairs may involve replacing the reductant tank temperature sensor, repairing or replacing damaged wiring or connectors, or updating the DEF control module software.
How much does it cost to fix code P205B?
Repair costs vary, but replacing the reductant tank temperature sensor typically costs $200–$400, including parts and labor.
Can a faulty reductant tank temperature sensor affect emissions?
Yes, a malfunctioning sensor can disrupt DEF system operation, potentially increasing emissions or triggering reduced engine performance modes.
Will clearing the code P205B solve the problem?
Clearing the code may temporarily remove the check engine light, but the underlying issue must be addressed to prevent the code from returning.
How can I prevent code P205B from occurring?
Regular maintenance, including inspections of the DEF system wiring and sensor connections, can help prevent issues associated with code P205B.
Discuss the causes and fixes for P205B Chevrolet OBDII Code
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