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DTC codes / P0Axx · Hybrid propulsion / P0A5F

P0A5FDrive Motor A Phase U Current High

P0A5F means the hybrid or electric vehicle controller has detected that the current flowing through phase U of drive motor A is higher than the calibrated safe limit for the operating conditions. The computer compares commanded torque against measured phase current and flags the fault when the U-phase current exceeds the expected threshold, indicating a short, excessive load, or a control problem in that phase circuit.

SystemPowertrain
Code typeGeneric (all makes)
SeverityHigh
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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