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.
Module PROXI Requirements
When replacing a module, a PROXI Alignment Procedure may need to be completed for that module.
The PROXI Alignment Procedure is needed to learn the PROXI Configuration from the BCM. This PROXI information configures the modules based on the content of the vehicle.
Refer to the table below for the list of which modules do and do not require the PROXI Alignment Procedure.
| MODULE | REQUIRES PROXI |
|---|---|
| ABS | YES |
| AMP | YES |
| BCM | MASTER OF THE PROXI CONFIGURATION DATA |
| CSWM | YES |
| CTM (Magnetti Marelli) | YES |
| CTM (Pieker) | NO |
| EDM | YES |
| EPS | YES |
| ESM | YES |
| HVAC | YES |
| ICS | NO |
| IPC | YES |
| LBSS | YES |
| OCM | YES |
| ORC | YES |
| PAM | YES |
| PCM (1.4L) | NO |
| PCM (2.0L) | YES |
| PCM (2.4L) | YES |
| RADIO | YES |
| RBSS | YES |
| RFH | YES |
| SCCM | NO |
| TCM | NO |
Some modules require several steps to replace the ECU. Refer to the appropriate ECU replacement procedure Service Information for a full list of replacement steps.
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.