Steering Assist Control Actuator
Table of contents
C0450 GMC Possible Causes
- Faulty Steering Assist Control Actuator
- Steering Assist Control Actuator harness is open or shorted
- Steering Assist Control Actuator circuit poor electrical connection
How do I fix code C0450 GMC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- – C0450 01 Steering Assist Control Actuator Circuit Short to Battery
- – C0450 02 Steering Assist Control Actuator Circuit Short to Ground
- – C0450 04 Steering Assist Control Actuator Circuit Open
Cost of diagnosing the C0450 GMC code
The cost of diagnosing the C0450 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C0450 GMC Description
The actuator is a variable electromagnetic actuator, which consists of one multiple-pole ring-style permanent magnet, with a pole piece, and an electromagnetic coil assembly. By commanding currents between -3 to +3 A through the coils the steering effort will be adapted accordingly.