Mike's Workshop Manuals
: Service manuals for every vehicle
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Buick
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2007
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Lucerne CXS
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Repair and Diagnosis
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Brakes
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Antilock Brake System, Traction Control System & Stability Control System
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Diagnostic Information and Procedures
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DTC C0242
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Circuit/System Verification
Circuit/System Verification
Verify that there are no DTCs set in the ECM.
If there are any DTCs set in the ECM, diagnose those DTCs.