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TSB Document:

Affected Component: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Summary
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code P3400 setting. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.

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Date Published
OCT 24, 2017
NHTSA TSB #
10123278
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