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Diagnostic trouble code: P0563 “Overvoltage of system” Item No. Operation procedure Inspection results Follow-up procedure 1 Connect the diagnostic tester and adaptor
Proceed to next step Yes Proceed to next step 2 Inspect with multimeter to verify that the No Replace the battery. Yes Proceed to next step 3 Start up the engine, and verify that the No Replace the generator. Yes Refer to diagnosis help. 4 Verify that the earth point of engine wiring No Repair or replace the wiring harness.
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