The P210B: Throttle Actuator ‘B’ Control Motor Circuit Range/Performance fault code indicates that the throttle actuator ‘B’ control motor is operating outside its expected range or is experiencing performance issues. This can lead to improper throttle control, affecting engine performance. The issue could be caused by a faulty throttle actuator motor, control module issues, or wiring problems.
P210B – Quick Overview
Code | Information |
---|---|
Meaning | P210B: Throttle Actuator ‘B’ Control Motor Circuit Range/Performance |
Is it serious? | Yes, this can cause throttle control issues, leading to poor engine performance and potential drivability problems. |
Possible causes | – Throttle actuator ‘B’ control motor out of range or performance issues – Faulty throttle actuator motor – Issues with the control module |
How to diagnose? | – Test the throttle actuator ‘B’ motor for proper range and performance – Inspect the control module functionality – Check wiring and connections |
P210B Meaning
The P210B fault code signifies that the throttle actuator ‘B’ control motor is not performing within its expected range, or its performance is compromised. This could lead to incorrect throttle positioning, affecting the engine’s ability to deliver power correctly. Possible causes include a malfunctioning throttle actuator motor, issues with the throttle control module, or wiring problems.
Step-by-step diagnostic guide
Action | Description | Tools Needed |
---|---|---|
Check for Other Codes | Use an OBD-II scanner to check for additional codes that might provide further details about the performance or range issue in the throttle actuator circuit. | OBD-II Scanner |
Test the Throttle Actuator ‘B’ Motor | Use a diagnostic tool to test the throttle actuator motor for proper operation, ensuring that it is moving through its full range of motion without errors. | Multimeter, Diagnostic Tool |
Inspect the Control Module Functionality | Use diagnostic software to check the throttle control module and ensure it is correctly communicating with the throttle actuator motor. | Diagnostic Tool |
Check Wiring and Connections | Visually inspect the wiring and connectors between the throttle actuator motor and the control module for signs of damage, loose connections, or corrosion. | Flashlight, Multimeter |
Repair or Replace Faulty Components | If performance issues with the motor or control module are identified, or if wiring faults are found, repair or replace the affected components. | Replacement Parts, Tools |
Clear the Code and Test Drive | After completing repairs, clear the code using an OBD-II scanner and test drive the vehicle to ensure that the issue has been resolved. | OBD-II Scanner, Vehicle Manual |
Recheck for Codes | After the test drive, rescan the vehicle to ensure the P210B code does not return. | OBD-II Scanner |
Free PDF: How to choose OBD2 scanner

I’ve made you a free PDF to choose the OBD2 scanner in 5 minutes.
✅ Which OBD2 scanner is best?
✅ Which type should you get (DIY, Pro, Hobby)
✅ What is the best scanner for the exact brand/feature (e.g best for BMW)
✅ How to get a Bi-Directional tool for as cheap as $40
✅ Discount coupons for scanners
PDF is 100% free and it is designed to help you pick a scanner in less than a few minutes! Not a boring 50-page guide.
Just tell me where to send it.