2020 Corvette: Loose Carbon Patch in Air Cleaner Housing GM TechLink April 30, 2020 A loose carbon patch in the air cleaner housing may be restricting air flow across the Mass Airflow (MAF) sensor on some 2020 Corvette models. (Fig. 11) DTCs P0101 ... 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

Subject: DAMAGED ECM/PCM AND/OR MIS-DIAGNOSED ECM/PCM SYMPTOMS DUE TO INCORRECT "TAP-TESTING" PROCEDURESModel and Year:1982-91 ALL PASSENGER CARS AND TRUCKSSource: Chevrolet Service BulletinBulletin Number: 91-384-6E - (07/24/1991) CONDITION: Because... Read More

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

2007-09 Escalade, Avalanche, Silverado, Suburban, Tahoe, Acadia, Sierra, Yukon, Outlook2008-09 Enclave, G82009 XLR, CorvetteDuring normal diagnostics and/or repair verification, the ABS light, Traction Control and/or Stabilitrak indicators may be on... Read More

Source: GM TechlinkDate: October 2010Subject:  Electronic Brake Control Module CommunicationModels: 2009 - 2011 Chevrolet Corvette On some 2008-2011 Enclave; 2007-2011 Escalade, Escalade ESV, Escalade EXT, Avalanche, Silverado, Suburban,... 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

C4 Corvette's Selective Ride Control - Six Steps for a King's Ride© 2009 by Hib HalversonNo use without permission, All Rights ReservedThe most valuable ride-and-handling option available on 1989-1995 Corvettes is RPO FX3 "Electronic Selective... Read More

#19-NA-046: Information on Electronic Limited Slip Differential (eLSD) Operation and Driver Information Center (DIC) Wheel Slip Screen - (Oct 13, 2020) Subject:  Information on Electronic Limited Slip Differential (eLSD) Operation and Driver... Read More

From Community Forum Moderator, 59Tom: "These electronic ignition conversions as well as ones from Pertronix, Mallory, The GM Goodwrench Performance Parts catalog and others fit inside of your distributor and take the place of the points pieces. You... Read More