P1A9C CADILLAC - Starter/Generator Inverter Phase U Temperature Sensor Circuit Low Voltage
P1A9C CADILLAC Possible Causes
- Faulty Starter/Generator Control Module (SGCM)
- Starter/Generator Control Module (SGCM) harness is open or shorted
- Starter/Generator Control Module (SGCM) circuit poor electrical connection
First diagnose P1A9C CADILLAC code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
Cost of diagnosing the P1A9C CADILLAC code
Labor: 1.0The cost of diagnosing the P1A9C CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
P1A9C CADILLAC Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1a9c Cadillac DescriptionThe Power Inverter Module (PIM) temperature 1 and 2 sensors are used for overheat protection. The thermistors are located on the control board, near the phase U or V power MOSFET. The Starter/Generator Control Module (SGCM) monitors the inverter temperature sensor for the following:
To detect if the inverter phase U or V temperature sensor is shorted low.
To detect if the inverter phase U or V temperature sensor is shorted high.
P1A9C CADILLAC More InformationNeed more information on how to fix the P1A9C CADILLAC code?
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