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 MANUALSCHEVROLET2009TAHOE 2WD V8-5.3LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULELOCATIONS
2009 Chevrolet Tahoe 2WD V8-5.3L
Engine Control Module: Locations
2009 Chevrolet Tahoe 2WD V8-5.3LSECTION Locations
Front of Vehicle/Engine Compartment Component Views
Left Side of Engine Compartment Components
1 - Windshield Wiper Motor
2 - Power Brake Booster (JD9)
3 - Windshield Washer Solvent Heater (XA7)
4 - Fuse Block -Underhood
5 - Engine Control Module (ECM)
6 - Transmission Control Module (TCM) (M30)
7 - Brake Booster Vacuum Sensor
8 - Brake Fluid Level Switch
Under Front Engine Compartment
1 - Engine Control Module (ECM)
2 - Engine Cooling Fan -Left
3 - Engine Cooling Fan -Right
4 - Inflatable Restraint Front Sensor -Right
5 - Inflatable Restraint Front Sensor -Left
6 - Transmission Control Module (TCM) (M30)
7 - Automatic Level Control (ALC) Relay (Z55)
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.