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 MANUALSCHEVROLET1995SPORTVAN G20, 6.5 PREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 30 (ENGINE CONTROLS - TESTS W/CODES - ELECTRONIC TRANSMISSION)TROUBLE CODE CHARTSNOTES
1995 Chevrolet Sportvan G20, 6.5 P
Trouble Code Charts: Notes
1995 Chevrolet Sportvan G20, 6.5 PSECTION Notes
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1994 GMC Yukon, 1994 GMC Suburban, 1994 GMC Pickup, 1994 GMC Cab & Chassis, and 1994 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
The following diagnostic flow charts and circuit schematics are provided courtesy of General Motors Corp.
NOTE:
Some charts require the use of a bidirectional (Tech 1) scan tester. If a bidirectional scan tester is not available, the PCM/TCM-controlled relays and solenoids may be energized by grounding DLC diagnostic terminal "B" with ignition on and engine off.
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.