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TuningBot DTC Database · v4.37.14

P208D Reductant pump control - circuit high

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

P · PowertrainEmissionsOBD2

What P208D means

P208D
Reductant pump control - circuit high Generic · emissions Data confidence 78%

The control module detected that the signal in the Reductant pump control circuit stayed above the expected operating range.

Symptoms

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

Possible causes

  • Wiring
  • reductant pump
  • ECM

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 P208D

P

Powertrain: engine, transmission and driveline systems.

2

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

08D

Specific fault index within the subsystem.

Frequently asked questions about P208D

What does P208D mean?

Reductant pump control - circuit high. The control module detected that the signal in the Reductant pump control circuit stayed above the expected operating range.

Is P208D generic or manufacturer-specific?

P208D is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P208D at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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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