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.
2014 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE
Steering Column Components
Steering Column Components
| Items |
|---|
| 1: S78 Turn Signal/Multifunction Switch S78 Turn Signal/Multifunction Switch |
| 2: X85 Steering Wheel Air Bag Coil X85 Steering Wheel Air Bag Coil X1X85 Steering Wheel Air Bag Coil X2X85 Steering Wheel Air Bag Coil X3X85 Steering Wheel Air Bag Coil X4 (UVD)X85 Steering Wheel Air Bag Coil X5 (UVD) |
| 3: S82 Windshield Wiper/Washer Switch S82 Windshield Wiper/Washer Switch |
| 4: S39 Ignition Switch (without BTM) S39 Ignition Switch (without BTM) |
| 5: M93 Key Capture Solenoid Actuator (without BTM) M93 Key Capture Solenoid Actuator (without BTM) |
| 6: K89 Immobilizer Control Module K89 Immobilizer Control Module (BTM)K89 Immobilizer Control Module (without BTM) |
| 7: B99 Steering Wheel Angle Sensor B99 Steering Wheel Angle Sensor |
| 8: S71 Steering Column Tilt and Telescope Switch (N38) S71 Steering Column Tilt and Telescope Switch (N38) |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.