Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 10 (ANALOG INSTRUMENT PANELS)SELF-DIAGNOSTIC SYSTEMIPC DTC DEFINITIONS
2001 Chevrolet Cavalier LS, 2.4 T
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 | ||
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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.