TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Hummer for this TSB. Call your local Hummer dealer's service department & ask for a copy of TSB# 050421006.

Affected Component: POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

Summary

SERVICE FOUR WHEEL DRIVE (4WD) LIGHT ON, DIAGNOSTIC TROUBLE CODES (DTC) B0790, B2725, C0359. *TT

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