TSB Document:

Affected Component: ELECTRICAL SYSTEM:WIRING

Summary
15411 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSTALL FUSES AND RELAYS AS REQUIRED IN THE UNDERHOOD ELECTRICAL CENTER (UEC) ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO AND GMC SIERRA VEHICLES EQUIPPED WITH AN ACCESSORY-WIRING-JUNCTION-BLOCK (RPO 9L7). THESE VEHICLES MAY HAVE MISSING FUSES AND RELAYS. THE CUSTOMER MAY NOTICE THAT THE AUXILIARY SWITCHES ARE INOPERATIVE AFTER THE FUNCTION IS ADDED TO THE VEHICLE.

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Date Published
JUN 26, 2015
NHTSA TSB #
10089968
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