P0A4C Possible Causes
- Faulty hybrid vehicle transaxle assembly (generator resolver)
- Hybrid vehicle transaxle assembly harness is open or shorted
- Poor electrical connection in hybrid vehicle transaxle assembly circuit
- Inverter with converter
What Does It Mean?
How to Fix Code P0A4C
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 connector pins.
P0A4C Possible Symptoms
Illuminated engine light (or service engine soon warning light)
P0A4C Meaning
A resolver is a sensor that detects the position of magnetic poles, essential for ensuring highly efficient control of MG2 and MG1.
The generator resolver structure and connection method with the inverter and converter are the same as those of the motor resolver.
The inverter with converter converts the output signals from the generator resolver and detects malfunctions.