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GMC TSB #18NA138
2018 GMC Sierra 2500
TSB Document:
Affected Component: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
- Summary
- This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern.
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