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2016
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Impala Limited LS
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Brakes
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Antilock Brake System
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Diagnostic Information and Procedures
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DTC C0242 or P0856: Engine Control Module (ECM)/ Traction Control Torque Request Circuit
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Circuit/System Verification
Circuit/System Verification
Verify that no DTCs are set in the ECM.
If DTCs are set, refer to
Diagnostic Trouble Code (DTC) List - Vehicle