Corvette Action Center Knowledgebase

2020 - 2021 Corvette: GM TechLink: Multiple Transmission DTCs Set

Mar 1, 2021 0 6.46K 4/5 (2 Votes)

March 1, 2021 GM TechLink Some 2020 - 2021 Corvette models may have multiple DTCs set in the Transmission Control Module (TCM). The DTCs may be caused by an internal transmission solenoid or switch sticking due to debris in the DCT TR-9080... Read More

1956 - 1962 Corvette: Intake Manifold Casting Numbers and Date Codes

Feb 15, 2015 0 6.86K 3.67/5 (15 Votes)

Below is a listing of part numbers and date codes for Intake Manifolds used on 1956 - 1962 Corvettes. Read More

1977 Corvette: Service Bulletin: Rear Axle Identification Revision

Feb 8, 2015 0 3.35K 0/5 (0 Vote)

Subject: Rear Axle Identification Revision Model and Year: 1977 Passenger Car Source: Chevrolet Dealer Service Information Bulletin Bulletin No: 77-I-21 Section: IV Date: March,... Read More

1975 - 1976 Corvette: Service News: 1975 Model Lock Sets in 1976 Vehicles

Jan 20, 2015 0 1.11K 0/5 (0 Vote)

If you own an early 1976 Corvette, it's possible that your Corvette left the St. Louis Corvette Factory with a 1975 code lock and key set. Subject: 1975 Model Lock Sets in 1976 Vehicles Model and Year: 1976 Models... Read More

1982 Corvette: ECM Codes

Aug 1, 2014 0 5.91K 4.8/5 (5 Votes)

Code #12: Normal System No Codes.Code #13: Oxygen Sensor Circuit.Code #14: Coolant Sensor Circuit Low.Code #15: Coolant Sensor Circuit High.Code #21: Throttle Position Sensor High.Code #22: Throttle Position Sensor... Read More

1984 Corvette: ECM Codes

Jul 28, 2014 0 5.08K 4.33/5 (6 Votes)

Code #12: Normal System No Codes.Code #13: Oxygen Sensor Circuit.Code #14: Coolant Sensor Circuit Low.Code #15: Coolant Sensor Circuit High.Code #21: Throttle Position Sensor High.Code #22: Throttle Position Sensor... Read More

1985 - 1991 Corvette: ECM Codes

Jul 28, 2014 2 12.86K 4.06/5 (17 Votes)

Code #12: Normal No Codes.Code #13: Open Oxygen Sensor Circuit.Code #14: Coolant Sensor Circuit Low.Code #15: Coolant Sensor Circuit High.Code #21: Throttle Position Sensor High.Code #22: Throttle Position Sensor Low.Code #23: Manifold Air... Read More

1990 Corvette: Service Bulletin: SIR Diagnostics and Procedures to Prevent Codes 16 and 26 Due to Corrosion Revised

Jul 28, 2014 0 5.49K 5/5 (1 Vote)

Subject: SERVICE MAN. UPDATE SEC.9J A/B REV. SIR DIAGNOSTIC PROCEDURE Model and Year: 1990 CORVETTE Source: Chevrolet Service Bulletin Bulletin Number: 90-436-9J - (11/07/1991) Some 1990 Corvettes have set SIR Sensor Codes 16 and 26. The... Read More

1994 - 1996 Corvette: Diagnostic Trouble Codes

Jul 28, 2014 1 12.71K 4/5 (12 Votes)

DTC #11: Malfunction Indicator Lamp Circuit.DTC #13: Bank #1 Heated Oxygen Sensor #1 Circuit: DTC #14: Engine Coolant Temperature Sensor Circuit Voltage Low.DTC #15: Engine Coolant Temperature Sensor Circuit Voltage High.DTC ... Read More

1996 Corvette: Engine Diagnostic Trouble Codes

Jul 28, 2014 0 4.03K 2/5 (1 Vote)

1996: Engine Diagnostic Trouble Codes DTC P0100 MAF Sensor Circuit Insufficient Activity DTC P0101 Mass Air Flow (MAF) Sensor Performance DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency DTC P0103 Mass Air Flow (MAF) Sensor Circuit High... Read More