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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

Code #12:  Normal No Codes.Code #13:  Left Oxygen Sensor Circuit.Code #14:  Coolant Temperature Sensor Circuit High.Code #15:  Coolant Temperature Sensor Circuit Low.Code #16:  Opti-Spark Ignition Timing System.( Low Pulse... 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

Model Year: 1986-87 CAMARO, CORVETTE WITH PFI ENGINES (VIN CODES F AND 8) Source: Chevrolet Dealer Service Bulletin Bulletin Number: 87-99, Section 6E Date: April 1987 TO: ALL CHEVROLET DEALERS CONDITION: There have been reports of... Read More

Subject: SERV MANUAL UPDATE-SEC.6E3 DRIVEABILITY AND EMISSIONS Model and Year: 1990 CORVETTE WITH 5.7L L98 (VIN CODE 8) ENGINE Source: Chevrolet Service Bulletin Bulletin Number: 90-350-6E - (09/13/1990) The attached Code 34 diagnostic... Read More

Source: Chevrolet Dealer Service Bulletin Number: 90-229-9 Subject: Service Manual Update - SIR Revised Code 42 Chart Model Year: 1990 Y Car This bulletin serves to revise the Code 42 Chart on page 9J-A-43 in Section 9J-A "Supplemental... 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

Service Bulletin #: 05-08-68-001 Date: n/a Subject:  Malfunction Indicator Lamp (MIL), Diagnostic Trouble Code (DTC) P0833, Cruise Control Inoperative (Adjust Clutch Release Switch) Model(s): 2005 Chevrolet Corvette with Manual Transmission... Read More

DTC Descriptor Module That Sets the DTCB0001 Vehicle Speed Information Circuit Range/Performance Navigation RadioB0005 In Park Switch Circuit BCM, SCLCMB0012 Passenger Frontal Deployment Loop Stage 2 Resistance Low SDMB0013 Passenger Frontal... Read More