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C0561 Diagnostic Trouble Code Discussion for June 2023

Park brake control disabled invalid data


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Trouble Ticket Help Requests for DTC C0561
Help Request Posted
2010 Buick LaCrosse CXL 3.0L Surge, Cuts out, MIL Lamp on VIN: 1G4GK5EG4A
C0561: Park brake control disabled invalid data. This thing intermittently will loose engine power. Happens without any pattern I can notice yet. It makes the instrument cluster gauges and lights go crazy, jumping up & down, flashing all warning lamps. Engine surges on and off. Tach bounces up and ...
June 30, 2023