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Body Control Module: Application and ID

Distinguishing between Type A and B in Wiring Diagram

Verify the BCM part number (first 4 digits), and distinguish between Type A and B.
- Type A : GS3L or GS3M
- Type B : GEA1 or GEA2

Procedure for verifying BCM part number using M-MDS

1. Connect the M-MDS to the DLC 2.







2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
- When using the IDS (laptop PC)
1. Select "DataLogger".
2. Select "Modules".
3. Select "BCM/GEM".

- When using the PDS (Pocket PC)
1. Select "Module Tests".
2. Select "BCM/GEM".
3. Select "DataLogger".

3. Select the PART#_PFX
4. Verify the PID data according to the directions on the screen.

Procedure for verifying BCM part number without using M-MDS

1. Remove the front scuff plate (driver-side).







2. Remove the front side trim (driver-side).
3. Disconnect the connector at the position shown in the figure.
4. Remove tab A as shown in the figure,pull the fuse block in the direction of the arrow (1), and remove tab B.







5. Remove the fuse block.
6. Verify the part number indicated on the label on the BCM.