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1984 - 1992 Corvette: Service Bulletin: Intermittent Transmission Downshift / Slip Diagnosis

Subject: INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP OR BUSY/CYCLING TCC Model and Year: 1983-92 ALL PASSENGER CARS AND TRUCKS WITH AUTOMATIC TRANSMISSIONSource: Chevrolet Service BulletinBulletin Number: 92-42-7A - (11/07/1991) Some owners may comment... Read More

1995 Corvette: Service Bulletin: High Effort Shifting into Gears After Cold Soak

Subject: High Effort Shifting into Gears After Cold Soak (Contact Technical Assistance) Model and Year: 1995 Chevrolet Corvette With 5.7L Engine (Vins J and P - RPOs LT5 and LT1) and 6-Speed Manual Transmission Source: Chevrolet Product... Read More

1996 - 2000 Corvette: Service Bulletin: Harsh 1-2 Upshift, SES, MIL, or CEL Illuminated, DTC P1870 Set

Subject: Harsh 1-2 Upshift, SES, MIL, or CEL Illuminated, DTC P1870 Set (Replace Valve Body)Source: Chevrolet Dealer Technical Service BulletinNumber: 01-07-30-023BModels:1996 Buick Roadmaster1996 Cadillac Fleetwood1999-2000 Cadillac Escalade1996... Read More

1999 - 2006 Corvette: Service Bulletin: Intermittent Neutral from a Stop or 2-3 Shift

Date: April 19, 2006 Subject: Intermittent Neutral from a Stop or 2-3 Shift Bulletin: #PIP3002DModels: 1999-2006 GM Cars, Light Duty Trucks and Utilities equipped with 4L60E/4L65E transmissions The following diagnosis might be helpful if the vehicle... Read More

2001 Corvette: Service Bulletin: Lack of Power Following a Wide Open Throttle 4-2 or 3-2 Downshift and Subsequent 2-3 Upshift

Subject: Lack of Power Following a Wide Open Throttle 4-2 or 3-2 Downshift and Subsequent 2-3 Upshift (Reprogram PCM)Source: Chevrolet Dealer Technical Service BulletinNumber: 02-06-04-001Date: January 2002Models:  2001 Chevrolet Corvette with 5... Read More

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