P2AD8 — Reductant Pump Motor Position Sensor Circuit Low

What Does P2AD8 Mean?

P2AD8 is a diagnostic trouble code indicating: Reductant Pump Motor Position Sensor Circuit Low. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P2AD8

⚠️ Check Engine Light (MIL) illuminated
⚠️ Reductant Pump Motor Position Sensor reading at zero or minimum value
⚠️ Related system not functioning or in fail-safe mode
⚠️ System warning light illuminated

Common Causes

🔍 Open or broken wire in Reductant Pump Motor Position Sensor circuit
🔍 Poor ground connection at Reductant Pump Motor Position Sensor
🔍 Faulty Reductant Pump Motor Position Sensor with no output signal
🔍 Disconnected or loose Reductant Pump Motor Position Sensor connector
🔍 Blown fuse in related circuit

Frequently Asked Questions

What does P2AD8 mean?

P2AD8 indicates: Reductant Pump Motor Position Sensor Circuit Low. The vehicle's computer has detected that the Reductant Pump Motor Position Sensor is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P2AD8?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P2AD8 for extended periods may cause additional problems.

How much does it cost to fix P2AD8?

Repair costs for P2AD8 typically range from $20 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Repair broken wire or restore ground in Reductant Pump Motor Position Sensor circuit
🔧 Clean and secure Reductant Pump Motor Position Sensor connector and ground points
🔧 Replace failed Reductant Pump Motor Position Sensor

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P2AD8: Reductant Pump Motor Position Sensor Circuit Low