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TuningBot DTC Database · v4.37.15

P2AD7 Reductant Pump Motor Position Sensor Circuit Range/Performance

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEmissionsOBD2

What P2AD7 means

P2AD7
Reductant Pump Motor Position Sensor Circuit Range/Performance Generic · emissions Data confidence 65%

The control module judged the Reductant Pump Motor Position signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.

Symptoms

  • MIL or SCR/AdBlue warning illuminated
  • Possible start-count-down or torque limitation on some applications

Possible causes

  • Reductant quality or level fault
  • Dosing valve or supply module fault
  • NOx sensor fault
  • Frozen or crystallized reductant lines
  • Wiring or connector fault

Recommended checks

  • Read NOx sensor values and dosing system status
  • Check reductant level and quality data
  • Inspect dosing valve, lines and heater operation
  • Check wiring and connectors of the SCR components
  • Check for OEM technical bulletins and software updates

Related and nearby codes

How to read P2AD7

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

AD7

Specific fault index within the subsystem.

Frequently asked questions about P2AD7

What does P2AD7 mean?

Reductant Pump Motor Position Sensor Circuit Range/Performance. The control module judged the Reductant Pump Motor Position signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.

Is P2AD7 generic or manufacturer-specific?

P2AD7 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2AD7 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

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