DTCDTC DescriptionModule That Sets the DTCDiagnostic Procedure Section in Service ManualB0001Vehicle Speed Information Circuit Range/PerformanceNavigation RadioDTC B0001 B0005In Park Switch CircuitBCM, SCLCMDTC B0005 B0012Passenger Frontal Deployment... Read More

#PIP4925A: SES Light with Fuel Trim and or Oxygen Sensor Codes - (Mar 21, 2017) Subject:  SES Light with Fuel Trim and or Oxygen Sensor Codes Brand: Model: Model Year: VIN: Engine: Transmission: from to from to All All... Read More

Subject:   Diagnosis of Various HVAC Conditions Model and Year:  Some 2015 ATS, CTS, XTS, Corvette, Colorado, Canyon, Silverado 1500, Sierra 1500; and 2015 Escalade, Silverado 2500/3500, Sierra 2500/3500, Tahoe, Suburban, and... Read More

Subject:   LTPWS Parts Numbers and Sensor Color Codes Revised Model and Year:   1991 Corvette Source:  Chevrolet Service Update Bulletin Bulletin No:   91-418-3E Section:   3E Date:    Sept.... Read More

On 1990 to 1996 Corvettes equipped with RPO C68 (electronic climate control), it is possible to read the HVAC system diagnostic codes from the climate control panel on the dashboard. To enter the diagnostic mode, press the fan up and down arrow... Read More

Code #12: No Distributor Reference Pulse. Code #13: Oxygen Sensor Circuit.Code #14: Shorted Coolant Sensor Circuit.Code #15: Open Coolant Sensor Circuit.Code #21: Throttle Position Sensor Circuit.Code #23: Mixture Control Solenoid Circuit.Code #24:... Read More

Source:  Corvette ABS/ASR Operation and Diagnosis, STG Manual 13003.02-1Page:  4-5, 4-6Copyright: 1991, General Motors Corporation Code-Based Diagnosis   CodeDescriptionDisable 21 RF Wheel Speed Sensor Fault ABS/ASR 23 RF Wheel... 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

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

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