2000 Chevrolet Corvette 2D Convertible, AutomaticFACTORY OEM SERVICE PROCEDURE

Instrument Panel DTCS

INSTRUMENT PANEL DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Circuit Affected
B0516 Speedometer Signal Circuit Malfunction
B0521 Tachometer Signal Circuit Malfunction
B1512 DIC Switch 1 Signal (Short To Ground)
B1517 DIC Switch 2 Signal (Short To Ground)
B1522 DIC Switch 3 Signal (Short To Ground)
B1527 DIC Switch 4 Signal (Short To Ground)
B1532 DIC Switch 5 Signal (Short To Ground)
B1537 DIC Switch 6 Signal (Short To Ground)
B1542 Oil Temperature Circuit (Short To Ground)
B1543 Oil Temperature Circuit (Open)
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.