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.
Steering Angle Sensor Centering and Software Endstop Learning
An inaccurate or not centered steering angle sensor could limit the operation of the electric power steering and may result in personal injury.
Centering of the steering angle sensor and software endstop learning might be required after certain service procedures are performed. Some of these procedures are as follows:
- Steering angle sensor replacement
- Steering gear replacement
- Power steering assist motor replacement
- Steering column replacement
- Steering linkage inner tie rod replacement
- Steering linkage outer tie rod replacement
- Battery Disconnect
It is necessary to perform the steering angle sensor centering BEFORE the software endstop learning.
Steering Angle Sensor Centering
For electronic power steering equipped vehicles WITH electronic stability control program and EXTERNAL Steering Angle Sensor, refer to Steering Wheel Angle Sensor Centering .
The centering procedure of the internal steering angle sensor (w/o electronic stability program) can be completed with the following steps:
Conditions: Front axle measured and set, engine running, vehicle speed 0 km/h (0 MPH), internal steering angle sensor is activated.
- Using the steering wheel, align the front wheels in the center forward position.
- Using a scan tool, perform the Configuration/Reset Functions, Steering Wheel Angle Sensor Offset Calibration procedure.
- Steer from the center position slowly 90° to the left.
- Steer slowly back to the center position and then slowly 90° to the right.
- Steer slowly back to the center position.
- Perform the steering movements again.
- Centering procedure is completed.
Software Endstop Learning
The software endstop learning procedure can be completed with the following steps:
Conditions: Front axle measured and set, vehicle speed 0 km/h (0 MPH), internal steering angle sensor is calibrated or external steering angle sensor sends a valid CAN signal.
- Using a scan tool, perform the Configuration/Reset Functions, Power Steering Soft stops Reset procedure and follow the on-screen instructions.
- Using a scan tool, perform the Configuration/Reset Functions, Power Steering Soft stops Learn procedure and follow the on-screen instructions.
- Software endstop learning procedure is completed.
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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.