Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is having trouble reading a temperature sensor inside a part that helps reduce pollution. It's like when a thermometer isn't working right.
The P06F2 code indicates that the reductant control module is detecting a low voltage from its internal temperature sensor circuit, which might affect the system's ability to monitor and control the temperature accurately.
The reductant control module is responsible for managing the diesel exhaust fluid (DEF) system, which reduces emissions in diesel engines. The internal temperature sensor monitors the temperature of the module to ensure optimal operation. A low circuit signal suggests a potential issue with the sensor or its wiring, affecting the module's performance.
• Check engine light on
• Possible increase in emissions
• Potential reduction in fuel efficiency
• Faulty internal temperature sensor
• Wiring issues or poor connections
• Defective reductant control module
Reductant: A substance used to reduce emissions in diesel engines, often diesel exhaust fluid.
DEF: Diesel Exhaust Fluid, a solution used in diesel engines to reduce emissions.
• Use an OBD-II scanner to confirm the code.
• Inspect wiring and connectors for damage or corrosion.
• Test the internal temperature sensor for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the internal temperature sensor if faulty.
• Replace the reductant control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Ford F-250
• Chevrolet Silverado 2500
• Dodge Ram 2500
• Regularly inspect the DEF system components.
• Ensure proper maintenance of the vehicle's electrical system.
• Use high-quality diesel exhaust fluid.
Sensor Issue
• Address the issue promptly to avoid increased emissions.
• Consult with a professional mechanic if unsure about repairs.
Check with your vehicle manufacturer for specific warranty coverage on emissions-related components.
This code has been associated with issues in diesel vehicles equipped with DEF systems, especially in colder climates where temperature fluctuations are common.
Moderate – It should be addressed to maintain optimal vehicle performance and emissions compliance.
Ignoring emissions-related issues can lead to failing emissions tests and potential fines in regions with strict regulations.
• Engine at operating temperature
• Vehicle stationary or at idle
The reductant control module is typically located near the DEF tank or integrated within the engine control module housing.
Q: Can I drive with a P06F2 code?
A: It's possible to drive, but it's not recommended as it may affect emissions and fuel efficiency.
Q: Will a P06F2 code damage my engine?
A: The code itself won't damage the engine, but ignoring it can lead to increased emissions and potential long-term issues.
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