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DTC codes / P2Exx · Hybrid propulsion / P2EAD

P2EADReductant Metering Unit 2 Performance

P2EAD indicates that the powertrain control module has detected a performance fault in the reductant metering unit for the second SCR system, which is responsible for injecting diesel exhaust fluid into the exhaust stream. The computer monitors the unit's electrical circuit and its ability to deliver the commanded quantity of reductant, and it sets this code when the measured performance falls outside the expected range.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyProfessional
AreaHybrid propulsion

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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