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Home >> GMC >> 2012 >> Yukon Base, 4WD >> Repair and Diagnosis >> Steering >> Power Steering System >> Diagnostic Information and Procedures >> DTC C056E >> DTC Descriptors

DTC Descriptors

DTC C056E 42: ECU Hardware Performance Calibration Data Set Not Programmed
DTC C056E 4B: ECU Software Performance Calibration Not Learned

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