Sierra

Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts – 2015 Cadillac Chevrolet GMC

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2015 Chevrolet Corvette

NHTSA ID Number: 10138017 Manufacturer Communication Number: 14-07-30-001G   Summary This informational bulletin explains how to diagnosis and perform a transmission fast learn procedure to fix a harsh shift at low speeds. Shifts that feel too firm (harsh), slips or flares.   Low mileage vehicles equipped with the 8L90 automatic transmission with shifts that feel too firm … Read more

Check Engine Light On, Fuel Tank Hard to Fill, DTCs P0442, P0446, P0455 or P0449 Set – 1999-2010 Chevrolet & GMC

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2010 Chevrolet Silverado

NHTSA ID Number: 10035764 Manufacturer Communication Number: SB-02-06-04-0371   Summary CHEVROLET/GMC: CHECK ENGINE LIGHT ON, FUEL TANK HARD TO FILL, DTCS P0442, P0446, P0455 OR P0449 SET (REPLACE EVAPORATIVE EMISSION (EVAP) VENT VALVE SOLENOID ASSEMBLY AND ADD/RELOCATE FILETER BOX USING SERVICE KIT). *PE     Condition Check engine light illuminated. Difficult to fill with fuel or when … Read more

Airbag Light On, DTC B0071 and B0081 Set – 2005-2010 Buick Cadillac Chevrolet GMC Pontiac Saturn HUMMER

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2010 Chevrolet Silverado

NHTSA ID Number: 10034404 Manufacturer Communication Number: SB-07-09-41-010A   Summary BUICK/CADILLAC/CHEVROLET/GMC: AIRBAG LIGHT ON, DTC B0071 AND B0081 SET (DIAGNOSE AND REPLACE RIGHT FRONT SEATBELT BUCKLE, IF NECESSARY). UPON INVESTIGATION, THE TECHNICIAN MAY FIND DTC B0071 SET IN THE PASSENGER PRESENCE SYSTEM (PPS) AND A DTC B0081 IN THE SENSING AND DIAGNOSTICS MODULE (SDM). *PE     … Read more