DTC codes / P0Axx · Hybrid propulsion / P0A52
P0A52 indicates that the hybrid or electric vehicle control module has detected an out-of-range or implausible signal from the current sensor circuit that monitors the traction motor designated as Drive Motor A. The computer compares the sensor's reported current against expected values derived from other inputs, and when the signal falls outside the acceptable performance window, it stores this code and typically illuminates the warning light.
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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