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.
2018 Buick Regal BaseFACTORY OEM SERVICE PROCEDURE
S70L Steering Wheel Controls Switch - Left (UDD/UHS)
WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | Not Required | J-35616-64B (LT BU) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | GN | 7556 | Headlamp Switch Reference | I | - |
| 2 | 0.35 | BU | 5737 | Distance Sensing Cruise Control Gap Up/Down Switch Signal | I | - |
| 3 | 0.35 | BK | 1884 | Cruise Control Set/Coast/Resume/Accelerate Switch Signal | I | - |
| 4 | 0.35 | YE | 240 | Secondary Fused Battery Positive Voltage 2 | I | - |
| 5 | 0.35 | WH/BK | 900 | Voice Command LIN SW | I | - |
| 6 | 0.35 0.35 |
BK YE |
1050 5884 |
Ground 10 Steering Wheel Heating Switch LED Control |
I I |
UDD UVD |
| 7 | 0.35 | BN | 900 | Phone Command LIN SW | I | - |
| 8 | 0.35 0.35 |
YE GN |
1444 5883 |
Steering Wheel Controls 12 Volt Reference Steering Wheel Heating Switch Signal |
I I |
UDD UVD |
| 9 | 0.35 0.35 |
GY WH |
5737 3892 |
Distance Sensing Cruise Control Gap Up/Down Switch Signal Indicator Dimming Control 2 |
I I |
UDD UVD |
| 10 | 0.35 | BK | 1550 | Ground 15 | I | - |
| 11 - 12 | - | - | - | Not Occupied | - | - |
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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