Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the sensor that tells the car's computer where the pump motor is. It's like when a toy can't tell if its wheels are moving or not.
The P2AD7 code indicates an issue with the reductant pump motor position sensor, which is responsible for monitoring the position and movement of the pump motor in the vehicle's emission control system.
The reductant pump motor position sensor is part of the vehicle's selective catalytic reduction (SCR) system, which reduces emissions. This sensor monitors the position of the pump motor that delivers the reductant (usually urea or DEF) into the exhaust stream. If the sensor's readings are outside the expected range or inconsistent, the P2AD7 code is triggered.
• Check Engine Light is on
• Reduced engine performance
• Increased emissions
• Faulty reductant pump motor position sensor
• Wiring issues or poor electrical connections
• Malfunctioning reductant pump motor
Reductant: A substance (usually DEF) used in the SCR system to reduce emissions.
SCR: Selective Catalytic Reduction, a system used to reduce vehicle emissions.
• Use an OBD-II scanner to confirm the code
• Inspect the wiring and connectors for damage or corrosion
• Test the reductant pump motor position sensor for proper operation
• Replace the reductant pump motor position sensor
• Repair or replace damaged wiring or connectors
• Replace the reductant pump motor if necessary
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $500
Moderate
• Ford F-250
• Chevrolet Silverado
• RAM 2500
• Regularly inspect and maintain the SCR system
• Ensure proper DEF fluid levels
• Check for any leaks or damages in the exhaust system
Sensor Issue
• Do not ignore the Check Engine Light
• Schedule a diagnostic check with a professional mechanic
Check with the vehicle manufacturer for specific warranty coverage related to emissions components.
The P2AD7 code has become more common with the increased use of SCR systems in diesel vehicles to meet emission standards.
Moderate – It should be addressed soon to avoid increased emissions and potential damage to the SCR system.
Operating a vehicle with a faulty emission control system may violate local emissions regulations.
• Engine at operating temperature
• Vehicle in a safe, stationary position
The reductant pump motor position sensor is typically located near the reductant pump within the SCR system, usually under the vehicle near the exhaust system.
Q: Can I drive with a P2AD7 code?
A: While you can drive with this code, it's not recommended as it can lead to increased emissions and potential damage to the SCR system.
Q: How do I clear the P2AD7 code?
A: The code can be cleared with an OBD-II scanner after the underlying issue is fixed, but it may return if the problem persists.
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Good for emissions-related codes because it exposes readiness monitors and live powertrain data.
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