P0563 – System Voltage High

System: Electrical (charging)
Dashboard light: Check engine light (MIL)
Check-engine blink code: —
Applies to: Generic OBD-II meaning. Not every code is used by this car.
Description: System Voltage High
Detection / symptoms: 1.Check engine light on 2.Red battery light On 3.Transmission may not shift 4.Engine may not start or if it does start, may stall out and die 5.Lower fuel economy
Possible causes: 1.Potential causes for this code to set are 2.High resistance in the cable between the alternator and battery - possible 3.Low resistance/open circuit between the alternator and the control module - possible 4.Alternator faulty – most common 5.Failed PCM - unlikely
What to check: 1.Check battery terminals and earth straps for corrosion or looseness 2.Measure battery voltage with the engine off and running 3.Check the alternator and its belt 4.Clear the code and test-drive
Confidence: medium (generic OBD-II definition, not checked against the factory manual for this car)

Generic OBD-II meaning (obd-codes.com), not checked against this car's factory manual. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights