P1AB1 BUICK - Starter/Generator Phase U-V-W Current Sensor Overcurrent
P1ab1 Buick DescriptionThe Starter/Generator Control Module (SGCM) phase U/V/W current sensors are used for motor control and power inverter module (PIM) current sensor rationality check. The SGCM monitors the current sensor for the following:
- To detect a failure of the U/V/W-phase current sensor circuit below valid range.
- To detect a failure of the U/V/W-phase current sensor circuit above valid range.
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