Fig 1: Wheel Speed Sensors Component Views

Courtesy of GENERAL MOTORS CORP.

Fig 2: Rear of the Engine Compartment Component Views

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Brake Fluid Level Switch
2	Brake Fluid Pressure Sensor (JL4)
3	Brake Pressure Modulator Valve (BPMV)
4	Electronic Brake Control Module (EBCM)

Fig 3: Steering Column Component Views

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Windshield Wiper/Washer Switch
2	Inflatable Restraint Steering Wheel Module Coil
3	Inflatable Restraint Steering Wheel Module Coil, C3
4	Inflatable Restraint Steering Wheel Module Coil, C2
5	Inflatable Restraint Steering Wheel Module Coil, C5
6	Inflatable Restraint Steering Wheel Module Coil, C4
7	Inflatable Restraint Steering Wheel Module Coil, C1
8	Multifunction Turn Signal Lever
9	Body Control Module, C3
10	Windshield Wiper/Washer Switch, Connector
11	Multifunction Turn Signal Lever, C1
12	Multifunction Turn Signal Lever, C2
13	Multifunction Turn Signal Lever, C3
14	Inflatable Restraint Steering Wheel Module Coil, C4
15	C201
16	Steering Angle Sensor (JL4)

Fig 4: Under the Floor Console Component Views

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	S238
2	S231
3	Head Up Display (HUD) Switch
4	S374
5	Traction Control Switch
6	Accessory Power Outlet - Front
7	Accessory Power Outlet - Rear

Fig 5: Left Rear of the Passenger Compartment Component Views

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Yaw and Lateral Acceleration Sensor (JL4)

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.

Safety Warning

Antilock Brake System Component Views