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 MANUALSCHEVROLET1996TAHOE 2D UTILITY, 6.5 SREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM & COMPONENT TESTING - DIESELA & C CHART REFERENCE TABLE
1996 Chevrolet Tahoe 2D Utility, 6.5 S
A & C Chart Reference Table
1996 Chevrolet Tahoe 2D Utility, 6.5 SSECTION A & C Chart Reference Table
NOTE:
The following table provides the location of commonly used diagnostic information. These former "A" and "C" charts are now written in text and inserted into the appropriate location in the new Engine Performance workflow. To familiarize yourself with the Engine Performance workflow, see HOW TO USE THE ENGINE PERFORMANCE SECTION
in this section.
GENERAL MOTORS A & C CHART REFERENCE
| System Or Component | Diagnostic Information Location | ||
|---|---|---|---|
| A-1, Malfunction Indicator Light | See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK in BASIC TESTING article | ||
| A-2, DLC & MIL On Steady | See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK in BASIC TESTING article | ||
| A-2, No Scan Tool Data | See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK in BASIC TESTING article | ||
| A-3, No-Start Diagnosis | See A-3, NO-START - ENGINE CRANKS OKAY in BASIC TESTING article | ||
| A-4, Injector Circuit Diagnosis | See appropriate BASIC FUEL SYSTEM CHECKS in BASIC TESTING article | ||
| A-5, Fuel Pump Relay | See RELAYS, SOLENOIDS, MOTORS & MODULES | ||
| A-6, Fuel System Diagnosis | See appropriate BASIC FUEL SYSTEM CHECKS in BASIC TESTING article | ||
| C-1, Power Steering Pressure Switch | See ENGINE SENSORS & SWITCHES | ||
| C-1, Park/Neutral Switch | See ENGINE SENSORS & SWITCHES | ||
| C-4, Ignition Control Circuit | See IGNITION SYSTEM | ||
| C-5, ESC Ignition Check | See IGNITION SYSTEM | ||
| C-7, EGR System | See EMISSION SYSTEMS & SUB-SYSTEMS | ||
| C-8, Torque Converter Clutch | See MISCELLANEOUS PCM/VCM CONTROLS | ||
| C-8, Manual Transmission Shift Lights | See MISCELLANEOUS PCM/VCM CONTROLS | ||
| C-10, A/C Clutch Control | (1) See MISCELLANEOUS PCM/VCM CONTROLS | ||
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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.