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 MANUALSBUICK2005RENDEZVOUS AWD V6-3.6L VIN 7REPAIR AND DIAGNOSISTESTING AND INSPECTIONPROGRAMMING AND RELEARNINGENGINE CONTROL MODULE (ECM) - PROGRAMMING AND SETUP
2005 Buick Rendezvous AWD V6-3.6L VIN 7
Engine Control Module (ECM) - Programming and Setup
2005 Buick Rendezvous AWD V6-3.6L VIN 7SECTION Engine Control Module (ECM) - Programming and Setup
ENGINE CONTROL MODULE PROGRAMMING AND SETUP
The following service procedures require either a programming or a setup event performed for a complete repair.
ECM Replacement
If the engine control module (ECM) is replaced, the following procedures must be performed:
1. ECM Reprogramming-Refer to Service Programming System (SPS).
2. Idle Learn Procedure-Refer to Idle Learn Procedure in Computers and Control Systems - 3.6L (LY7).
3. Engine Oil Life Remaining-When available, use a scan tool to reset the Engine Oil Life Remaining back to the original percentage recorded before the module was replaced.
ECM Reprogramming
- If the ECM needs to be reprogrammed, refer to Service Programming System (SPS).
- Engine Oil Life Remaining-When available, use a scan tool to reset the Engine Oil Life Remaining back to the original percentage recorded before the module was reprogrammed.
Setup For Component Replacement
The replacement of some components will require a setup procedure for complete repair.
If any of the following components are replaced, an Idle Learn Procedure must be performed. Refer to Idle Learn Procedure in Computers and Control Systems - 3.6L (LY7).
- Throttle body assembly
- ECM
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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.