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 MANUALSCHEVROLET2000S10/T10 P/U 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSINFORMATION BUS
2000 Chevrolet S10/T10 P/U 2WD V6-4.3L VIN W
Information Bus
2000 Chevrolet S10/T10 P/U 2WD V6-4.3L VIN WSECTION Information Bus
Description and Operation
Testing and Inspection- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Symptom Related Diagnostic Procedures
- Scan Tool Testing and Procedures
- Data Link Connector Diagnosis
- Serial Data Communications
- Class 2 Serial Data
- Clearing Diagnostic Trouble Codes
- Control Module Learning Ability
- Data Link Connector (DLC)
- Diagnostic Information
- DTC Info Mode
- DTC Modes
- DTC Status
- Fail This Ign. (Fail This Ignition)
- Failed Last Test
- Failed Since Clear
- Failed This Ign. (Failed This Ignition)
- History
- History DTC
- Intermittent Malfunction Indicator Lamp
- Last Test Fail
- Malfunction Indicator Lamp (MIL)
- MIL Request
- MIL Requested
- MIL Requests and History Codes
- Not Run SCC (Not Run Since Code Clear)
- Not Run Since Cl (Not Run Since Cleared)
- Not Run This Ign. (Not Run This Ignition)
- On-Board Diagnostic Tests
- Reading Diagnostic Trouble Codes
- Reprogramming (Flashing) the Control Module
- Special Cases of Type A Diagnostic Tests
- Special Cases of Type B Diagnostic Tests
- Specific DTC Mode
- Storing and Erasing Freeze Frame Data
- Test Fail SCC (Test Failed Since Code Clear)
- Test Ran and Passed
- The Diagnostic Executive
- Trip
- Warm-Up Cycle
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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.