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Home >> GMC >> 2023 >> Hummer EV 3X >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications - Diagnostic Information And Procedures (1 Of 4) >> Diagnostic Information and Procedures >> DTC B1A1B (K56 Serial Data Gateway Module) >> DTC Descriptor
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DTC Descriptor

DTC B1A1B

Ethernet Bus 2 (+)

For symptom byte information, refer to Symptom Byte List .

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