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 Red LineFACTORY OEM SERVICE PROCEDURE
Body Control Module (BCM) C5 (UE1)
WARNING: This page is about a different car, the 2007 Saturn Ion Red Line, 2007 Saturn Ion 3, and 2007 Saturn Ion 2. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM) C5 (UE1) Connector & Terminal Parts Information
Connector Part Information
|
Terminal Part Information
|
Body Control Module (BCM) C5 (UE1) Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| A | OG | 1340 | Battery Positive Voltage |
| B-C | - | - | Not Used |
| D | PU | 1807 | Class 2 Serial Data (UE1) |
| E-F | - | - | Not Used |
Factory Service Tools
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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.
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