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DTC codes / P0Axx · Hybrid propulsion / P0A74

P0A74Generator Phase V Current High

P0A74 indicates that the generator's phase V current sensor circuit has reported a current level above the manufacturer's specified maximum for a calibrated time period. The hybrid or electric vehicle control module sets this code when the measured current on that phase exceeds safe operating limits, often pointing to a shorted winding, a faulty current sensor, or a wiring issue.

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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