TSB Document:

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

You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 1491B.

Affected Component: ELECTRICAL SYSTEM

Summary

THE TECH 2 CANNOT COMMUNICATE WITH GM-LAN MODULES. SIT BULLETIN 140895. *TT

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