Electrical and Ignition

Source: Chevrolet Dealer Service BulletinNumber: 02-06-04-005Subject: SMU - Revised DTC P1221 Model Year: 2001-2002Revised DTC P12212001-2002 Chevrolet Corvette2001 Chevrolet and GMC C/K Pickup and Utility Models (Silverado, Sierra, Sierra C3,... Read More

Subject: Lack of Power Following a Wide Open Throttle 4-2 or 3-2 Downshift and Subsequent 2-3 Upshift (Reprogram PCM)Source: Chevrolet Dealer Technical Service BulletinNumber: 02-06-04-001Date: January 2002Models:  2001 Chevrolet Corvette with 5... Read More

Scanning the Instrument Panel Cluster (IPC) while driving the Corvette will tell you the speed of the car, how much fuel is in the gas tank, the temperature of the engine coolant and other vehicle information. But it's not the IPC that's really... Read More

This information applies to 1996-2005 passenger cars, trucks and utilities.In the past, star washers have been used under most ground connections. It was believed using a star washer would improve continuity to ground and prevent the ground fastener... Read More

Owners of some 2005 Chevrolet Corvettes and 2004 - 05 Cadillac XLRs may experience a no-crank condition, with no codes in any module. The concern may be followed by an inoperative transmission range indicator (PRNDL). The Tech 2 will show the... Read More

Service Bulletin #:  02-07-30-001D Date: December 2005 Subject:  Diagnostic Information on Diagnostic Trouble Code (DTC) P0894 and P1870 Model(s): 2000-2006 GM Passenger Cars and Light Duty Trucks2003-2006 Hummer H22006 Hummer H32005-2006... Read More

Subject:  OnStar Phone Number Concerns (Phone Number Incorrect/Assigned to Another Vehicle/Phone) That Occur During Diagnosis of OnStar System.Models:  2000-2006 GM Passenger Cars and Trucks2003-2006 HUMMER H22006 HUMMER H32003-2006 Saturn... Read More

DTC/DescriptionTypeIlluminate Indicator or Turn ON DIC Message DTC B2597 Traction Control System Switch CircuitBCMNone DTC C1214 Solenoid Valve Relay Contact or Coil Circuit OpenABSABS/TCS/DIC DTC C1217 Pump Motor Relay Contact Circuit OpenABSABS/TCS... Read More

DTC B0016, B0017, or B0018Right Front/Passenger Frontal Deployment Loop (Stage 1) CircuitDTC B0022, B0024, or B0026Left Front/Driver Frontal Deployment Loop (Stage 1) CircuitDTC B0051Deployment CommandedDTC B0053Deployment Commanded with Loop... Read More

DTC B0016, B0017, or B0018Right Front/Passenger Frontal Deployment Loop (Stage 1) CircuitDTC B0022, B0024, or B0026Left Front/Driver Frontal Deployment Loop (Stage 1) CircuitDTC B0051Deployment CommandedDTC B0053Deployment Commanded with Loop... Read More