OBD Guide

P2AD8

Reductant Pump Motor Position Sensor Circuit Low

P2AD8 is an OBD-II diagnostic trouble code meaning: Reductant Pump Motor Position Sensor Circuit Low. Common causes: reagent pump position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • SCR system error message on dashboard
  • Increased NOx emissions

Causes

  • Reagent pump position sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor circuit connectors
  • Reagent pump malfunction
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the continuity of the pump position sensor circuit
  2. Inspect connectors and contacts for corrosion or damage
  3. Check the resistance and signal of the position sensor
  4. If necessary, replace the pump position sensor
  5. Check the operation of the reagent pump

Related codes

Error P2AD8 by Vehicle Brand

FAQ

What does the P2AD8 code mean?

P2AD8 is an OBD-II diagnostic trouble code that indicates: Reductant Pump Motor Position Sensor Circuit Low

What causes a P2AD8 error code?

The most common causes of P2AD8 include: Reagent pump position sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor circuit connectors; Reagent pump malfunction.

How do I fix a P2AD8 diagnostic trouble code?

To fix P2AD8: Check the continuity of the pump position sensor circuit. Inspect connectors and contacts for corrosion or damage. Check the resistance and signal of the position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2AD8?

Yes, but get it checked soon

How much does it cost to fix P2AD8?

The estimated repair cost for P2AD8 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat