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TuningBot DTC Database · v4.37.15

P2EAD Reductant Metering Unit 2 Performance

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

P · PowertrainEmissionsOBD2

What P2EAD means

P2EAD
Reductant Metering Unit 2 Performance Generic · emissions Data confidence 65%

The control module judged the Reductant Metering Unit 2 behaviour implausible 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

Related codes
P2EAEP2EAF
P2E range
P2E00P2E01P2E02P2E03P2E04P2E05P2E06P2E07P2E08P2E09P2E0AP2E0BP2E0CP2E0DP2E0EP2E0FP2E10P2E11

How to read P2EAD

P

Powertrain: engine, transmission and driveline systems.

2

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

EAD

Specific fault index within the subsystem.

Frequently asked questions about P2EAD

What does P2EAD mean?

Reductant Metering Unit 2 Performance. The control module judged the Reductant Metering Unit 2 behaviour implausible for the current operating conditions.

Is P2EAD generic or manufacturer-specific?

P2EAD is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2EAD 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

Stage 1/2/3 TuningDPF RemovalEGR RemovalAdBlue / SCR RemovalDTC RemovalIMMO OFFSpeed Limiter (Vmax)

Understand the system behind this code: SCR / AdBlue System

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

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