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 MANUALSCHEVROLET2004MALIBU V6-3.5L VIN 8REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULEDESCRIPTION AND OPERATIONTHROTTLE ACTUATOR CONTROL (TAC) SYSTEM
2004 Chevrolet Malibu V6-3.5L VIN 8
Throttle Actuator Control (Tac) System
2004 Chevrolet Malibu V6-3.5L VIN 8SECTION Throttle Actuator Control (Tac) System
POWERTRAIN CONTROL MODULE
The PCM determines the drivers intent and then calculates the appropriate throttle response. This information is sent to the TAC module through a dedicated serial data line.
The PCM determines the drivers intent and then calculates the appropriate throttle response. This information is sent to the TAC module through a dedicated serial data line.
RENDER: 1.0x
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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.