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 MANUALSCHEVROLET2006EQUINOX FWD V6-3.4L VIN FREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIR
2006 Chevrolet Equinox FWD V6-3.4L VIN F
Engine Control Module: Service and Repair
2006 Chevrolet Equinox FWD V6-3.4L VIN FSECTION Service and Repair
POWERTRAIN CONTROL MODULE (PCM) REPLACEMENT
REMOVAL PROCEDURE
1. Using a scan tool, retrieve the percentage of remaining engine oil and the remaining automatic transmission fluid life. Record the remaining engine oil and the remaining automatic transmission fluid life.
IMPORTANT:
- It is necessary to record the remaining engine oil life. If the replacement module is not programed with the remaining engine oil life, the engine oil life will default to 100%. If the replacement module is not programmed with the remaining engine oil life, the engine oil will need to be changed at 5000 km (3,000 mi) from the last engine oil change.
- It is necessary to record the remaining automatic transmission fluid life. If the replacement module is not programed with the remaining automatic transmission fluid life, the automatic transmission fluid life will default to 100%. If the replacement module is not programmed with the remaining automatic transmission fluid life, the automatic transmission fluid will need to be changed at 83000 km (50,000 mi) from the last automatic transmission fluid change.
2. Remove the powertrain control module (PCM) (1) and PCM bracket (2) from the battery box cover.
3. Remove the PCM bracket (2) from the PCM (1).
4. Disconnect the PCM wire harness (4) from the battery box cover.
5. Disconnect the negative battery cable.
6. Remove the PCM connectors (2) from the PCM (3).
7. Remove the PCM (3) from the vehicle.
INSTALLATION PROCEDURE
1. Install the PCM (3) to the vehicle.
2. Install the PCM connectors (2) to the PCM (3).
3. Connect the negative battery cable.
4. Connect the PCM wire harness (4) to the battery box cover.
5. Install the PCM bracket (2) to the PCM (1).
6. Install the PCM bracket (1) to the battery box cover.
7. Reprogram the PCM. Programming and Relearning
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.