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.
2004 Saturn ION L4-2.2L VIN FFACTORY OEM SERVICE PROCEDURE
Body Control Module - Revised Connector Illustrations
File in Section: 08 - Body and Accessories
Bulletin No.: 04-08-45-002
Issue Date: March, 2004
Subject:
Service Manual Update - BCM Connector C3 and C4 Illustrations
Models Affected:
2003-2004 Saturn ION Vehicles
Attention: Fixed Operations Manager and Technician
Purpose:
The purpose of this bulletin is to update the connector face description of the body control module (BCM) connectors C3 and C4 in the printed 2003 and 2004 Saturn ION Service Manuals. The cavity numbering shown in the illustration is incorrect. However, the numbering and description in the table are correct.
The eSI website has been updated and future Service Stall System SI CD releases will include this and other Service Manual updates. To view the correct connector face information on eSI, refer to SI Document ID # 883120 (for 2003 model year vehicles) or # 1257552 (for 2004 model year vehicles).

Illustrations shown are the correct illustrations (containing the correct cavity numbers) for the C3 and C4 connector of the BCM. Please make copies of these illustrations and place the correct illustrations over the existing illustrations in the 2003 Saturn ION Service Manual, Vol. 3 (pages 8-108 through 8-110 and 8-418 through 8-421) and the 2004 Saturn ION Service Manual, Vol. 3 (pages 8-18 through 8-21 and 8-1059 through 8-1061).

Disclaimer
Bulletin No.: 04-08-45-002
Issue Date: March, 2004
Subject:
Service Manual Update - BCM Connector C3 and C4 Illustrations
Models Affected:
2003-2004 Saturn ION Vehicles
Attention: Fixed Operations Manager and Technician
Purpose:
The purpose of this bulletin is to update the connector face description of the body control module (BCM) connectors C3 and C4 in the printed 2003 and 2004 Saturn ION Service Manuals. The cavity numbering shown in the illustration is incorrect. However, the numbering and description in the table are correct.
The eSI website has been updated and future Service Stall System SI CD releases will include this and other Service Manual updates. To view the correct connector face information on eSI, refer to SI Document ID # 883120 (for 2003 model year vehicles) or # 1257552 (for 2004 model year vehicles).
Illustrations shown are the correct illustrations (containing the correct cavity numbers) for the C3 and C4 connector of the BCM. Please make copies of these illustrations and place the correct illustrations over the existing illustrations in the 2003 Saturn ION Service Manual, Vol. 3 (pages 8-108 through 8-110 and 8-418 through 8-421) and the 2004 Saturn ION Service Manual, Vol. 3 (pages 8-18 through 8-21 and 8-1059 through 8-1061).
Disclaimer
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
