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 MANUALSCHEVROLET2002CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 8.1 GREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 7 (ENGINE CONTROLS - REMOVAL, OVERHAUL & INSTALLATION - 6.5L DIESEL)COMPUTERIZED ENGINE CONTROLSPOWERTRAIN CONTROL MODULEREMOVAL (C3500 HD)
2002 Chevrolet Chevy Express G3500, Van Passenger Extended, 8.1 G
Removal (C3500 HD)
2002 Chevrolet Chevy Express G3500, Van Passenger Extended, 8.1 GSECTION Removal (C3500 HD)
WARNING: This page is about a different variant/trim than selected.
Remove the negative battery cables. Remove the PCM from the passenger compartment behind the glove box. Remove the connectors from the PCM. Remove the PCM from the mounting bracket.
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.