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Hummer EV 3X
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Repair and Diagnosis
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Data Communications - Diagnostic Information And Procedures (1 Of 4)
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Diagnostic Information and Procedures
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DTC B1A1D (K56 Serial Data Gateway Module)
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DTC Descriptor
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DTC Descriptor
DTC B1A1D
Ethernet Bus 3 [+]
For symptom byte information, refer to
Symptom Byte List
.