IPC DTC Definitions

2001 Chevrolet Cavalier LS, 2.4 TSECTION IPC DTC Definitions
WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
IPC DTC DEFINITIONS

Code No. 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)
U1000 & U1255 (1) Class 2 Communication Malfunction
U1001-U1254(1) Loss Of Communication With XXX
U1300 (1) Serial Data Line Short To Ground
U1301 (1) Serial Data Line Short To Battery
(1) See appropriate diagnosis and repair procedure under DIAGNOSTIC TESTS in BODY CONTROL MODULES - CORVETTE article.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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