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 a part of the car that heats up a special fluid to clean the exhaust is using too much electricity.
The reductant heater is responsible for heating the diesel exhaust fluid (DEF) to ensure it can properly reduce emissions. Code P215F indicates that the current (electricity) used by the heater is higher than expected.
The reductant heater is part of the Selective Catalytic Reduction (SCR) system, which reduces NOx emissions in diesel engines. If the current draw of the heater is too high, it may indicate a short circuit or a failing component within the heater circuit.
• Check Engine Light is on
• Possible reduction in engine performance
• Increased emissions
• Short circuit in the heater wiring
• Faulty reductant heater
• Corroded or damaged connectors
Reductant: A substance used to reduce emissions in diesel engines.
SCR: Selective Catalytic Reduction, a system used to reduce NOx emissions in diesel engines.
• Check for any blown fuses related to the reductant heater.
• Inspect the wiring and connectors for damage or corrosion.
• Test the reductant heater resistance and current draw.
• Replace the reductant heater if faulty.
• Repair or replace damaged wiring or connectors.
• Clear the code and test the system.
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $600
Moderate
• Ford F-250
• Chevrolet Silverado
• Ram 2500
• Regularly inspect and maintain the SCR system.
• Ensure connectors are clean and free of corrosion.
• Use high-quality diesel exhaust fluid.
Sensor Issue
• Have the vehicle inspected by a professional if the Check Engine Light is on.
• Avoid ignoring the issue as it may lead to increased emissions.
Check with your vehicle manufacturer as emissions-related components may be covered under warranty.
This code is relatively common in diesel vehicles with SCR systems, especially in colder climates where heaters are more frequently used.
Moderate – It should be addressed soon to prevent potential damage to the emissions system.
Driving with a malfunctioning emissions system may be illegal in some regions and can contribute to environmental pollution.
• Engine at operating temperature
• Vehicle in a safe location
The reductant heater is typically located near the DEF tank or lines.
Q: Can I drive with code P215F?
A: While the vehicle may still be drivable, it is not recommended to ignore this issue as it can lead to increased emissions and potential damage to the SCR system.
Q: What happens if I ignore the P215F code?
A: Ignoring this code can lead to increased emissions, potential fines in regions with strict emissions laws, and further damage to the emissions system.
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