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TuningBot DTC Database · v4.37.15

P2ADE Reductant Tank Temperature Sensor B Circuit

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

P · PowertrainEmissionsOBD2

What P2ADE means

P2ADE
Reductant Tank Temperature Sensor B Circuit Generic · emissions Data confidence 65%

The control module detected improper operation of the Reductant Tank Temperature Sensor B circuit.

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 P2ADE

P

Powertrain: engine, transmission and driveline systems.

2

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

ADE

Specific fault index within the subsystem.

Frequently asked questions about P2ADE

What does P2ADE mean?

Reductant Tank Temperature Sensor B Circuit. The control module detected improper operation of the Reductant Tank Temperature Sensor B circuit.

Is P2ADE generic or manufacturer-specific?

P2ADE is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2ADE 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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