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.
Cam Profile Solenoid (Cps)
The function of the solenoid is to control (trigger) oil pressure to the hydraulic valve depressors.
The solenoid is supplied with voltage from the system relay via fuse and ground (control) internally in the engine control module (ECM).
The system has two solenoids that each supplies a number of cylinders.
The solenoids are located on each side of the engine between the camshafts.
The solenoids can be diagnosed by the Engine control module (ECM).
See also FUNCTION
Use the Manual With the Right Hardware
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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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