The P0905: Gate Select Position Circuit Range/Performance refers to a problem where the gate select position circuit is not performing within its expected range. This could lead to incorrect gear selection or difficulty shifting gears, caused by issues with the gate select sensor, actuator, or wiring.
P0905 – Quick Overview
Code | Information |
---|---|
Meaning | P0905: Gate Select Position Circuit Range/Performance |
Is it serious? | Yes, this can lead to incorrect gear selection and drivability issues. |
Possible causes | – Range or performance issues with the gate select position circuit – Faulty gate select sensor or actuator – Wiring or connector issues |
How to diagnose? | – Test the circuit for range and performance – Inspect wiring and connectors – Replace faulty components if needed |
P0905 Meaning
The P0905 code indicates that the gate select position circuit is not performing within its expected range, meaning the transmission control module (TCM) is receiving an incorrect or abnormal signal regarding gear selection. This could be due to faulty sensors, actuators, or wiring issues affecting the transmission’s ability to select gears properly.
Step-by-step diagnostic guide
Action | Description | Tools Needed |
---|---|---|
Check for Other Codes | Use an OBD-II scanner to check for any other related codes that may provide more details about the issue. | OBD-II Scanner |
Inspect Wiring and Connectors | Visually inspect the wiring and connectors related to the gate select position circuit for damage, corrosion, or loose connections. | Flashlight, Multimeter |
Test the Circuit for Range and Performance | Use a multimeter to test the gate select position circuit for correct voltage and performance within the specified range. | Multimeter, Vehicle Manual |
Test the Gate Select Sensor or Actuator | Use a diagnostic tool to test the functionality and performance of the gate select sensor or actuator. Replace if necessary. | Diagnostic Tool, Replacement Sensor/Actuator |
Replace Faulty Components | Replace any damaged wiring, connectors, or faulty sensors or actuators found during testing. | Replacement parts, Tools |
Clear Code and Test Drive | After repairs, clear the code and take the vehicle for a test drive to confirm the issue is resolved. | OBD-II Scanner, Vehicle Owner’s Manual |
Recheck for Codes | Re-scan the vehicle after the test drive to ensure the P0905 code does not return. | OBD-II Scanner |

OBD-II scanner Buyer’s Guide
- Scanner features explained
- Different types of scanners
- Scanners for coding/odometer/ECU/checks
- Best picks + discount codes

Hi, I am Juraj “Yuri” Lukacko. I got frustrated by unhelpful and scammy mechanics, so I decided to learn everything about car diagnostics myself. I test dozens of new car diagnostic tools every month along with learning new strategies to fix and customize cars. About Juraj Lukacko (Yuri)