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Some 2014 - 2017 Corvette models equipped with the 6.2L V8 engine (RPO LT1) and 8L90 automatic transmission (RPO M5U)  may have an illuminated Check Engine MIL and repeat DTCs P2096 (Post Catalyst Fuel Trim System Low Limit Bank 1) and P2098 ... Read More

#16-NA-404: Harsh Shift, Delayed Shift, unwanted Downshift, Transmission Stuck in One Gear, Erratic Shifting, Hesitation or Have a Malfunction Indicator Lamp (MIL) Illuminated - DTC P0747, P0777, P0797, P2715 or P2724 May Be Set Current or History in... Read More

1996:  Transmission Diagnostic Trouble Codes DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low Input DTC P0560 System Voltage DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Input DTC P0713 Transmission Fluid Temperature (TFT)... Read More

#PIT5817A: SES MIL / Dead Battery / DTC P0700 P2535 U300D - (Mar 8, 2021) Subject:  SES MIL / Dead Battery / DTC P0700 P2535 U300D Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Buick Envision ... Read More

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

2020 Corvette: DTCs Set in the TCM October 28, 2020GM TechLink Some 2020 Corvettes may have an illuminated Check Engine MIL and a reduced engine power message on the instrument cluster with no noticeable performance issues. DTCs P1967 (Serial Data... Read More

#PIP5757: Service Engine Soon Light/Message with DTCs P1967 or P1968 in the TCM - (Oct 13, 2020) Subject:  Service Engine Soon Light/Message with DTCs P1967 or P1968 in the TCM Brand: Model: Model Year: VIN: Engine: Transmission: ... Read More

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: 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

The following information is for reference only. Check the service manual for your particular model year of Corvette.To enter the "diagnostic mode", use the following procedure: Turn the ignition key to the ON position, but don not start the car.... Read More