Powertrain
Definition only
Lights the check engine lamp
P2AD6: Reductant Pump Motor Position Sensor Circuit
Standardized SAE J2012 code · P2Axx codes
What does P2AD6 mean?
The ECM detects a generic fault on the reductant pump motor position sensor circuit. Reading cannot be used reliably for control.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Check engine light or NOx warning on
- AdBlue/DEF level or quality warning
- Possible no-start countdown after ignore period
- Failed emissions inspection (NOx)
Common causes
- High Sensor failed
- Medium Wiring or connector fault
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2AD6 on the same make and model first.
P2AD6 in the community
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