- Faulty Inverter with converter assembly
- Inverter with converter assembly harness is open or shorted
- Inverter with converter assembly circuit poor electrical connection
When is the code detected?The MG ECU located in the inverter with converter assembly monitors its internal operation and it will set DTCs when it detects malfunctions.
- Engine Light ON (or Service Engine Soon Warning Light)
P0a1a DescriptionThe MG ECU performs many diagnostic tests to verify proper operation of internal ECU systems. In one of those tests, the MG ECU checks the result of the generator CPU self-test. If the MG ECU detects a Fail from the generator CPU self-test, it will conclude that there is an internal malfunction in the generator CPU. The power management control ECU (HV CPU) will illuminate the MIL and set a DTC.
P0A1A Information for specific makes
Need more help?Get the P0a1a code diagnosed by a professional: Find a repair shop in your area
P0A1A CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P0a1a code? Have you replaced any parts?
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