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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2008SILVERADO 3500 2WD V8-6.0LREPAIR AND DIAGNOSISDIAGRAMSCONNECTOR VIEWSENGINE CONTROL MODULEENGINE CONTROL MODULE (EXCEPT RPO LY6)
2008 Chevrolet Silverado 3500 2WD V8-6.0L
Engine Control Module (Except RPO LY6)
2008 Chevrolet Silverado 3500 2WD V8-6.0LSECTION Engine Control Module (Except RPO LY6)
Engine Control Module (ECM) X1
Engine Control Module (ECM) X1 (Gas) (Pin 1 To 30):
Engine Control Module (ECM) X1 (Gas) (Pin 31 To 64):
Engine Control Module (ECM) X1 (Gas) (Pin 65 To 73):
Engine Control Module (ECM) X2
Engine Control Module (ECM) X2 (4.8L/5.3L/6.0L/6.2L) (Pin 1 To 49):
Engine Control Module (ECM) X2 (4.8L/5.3L/6.0L/6.2L) (Pin 50 To 80):
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.