P0911 code meaning
Gate Select Actuator Circuit Range/Performance
Powertrain system Generic code P09xx codes Check engine light
What P0911 means
Plausibility fault in the drive circuit of the gate select actuator of an automated manual gearbox. The circuit is neither open nor shorted, but the current, voltage or response measured on it does not fit the command, for example a current that is too high or too low for the requested movement. No manufacturer documents this code publicly. A Hyundai/Kia patent explains why controllers watch actuator current closely: jamming and sticking raise the motor load, and the motor can be damaged if this is not caught early. An Isuzu patent describes electric select actuators controlled by the transmission module. CARB requires functional checks on such outputs. P0910, P0912 and P0913 are the clear electrical faults, P0909 the failure to reach a gate. Gear changes become slow or are blocked.
P0911 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyHard
- Typical labor0.5 to 4 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P0911
- Check engine or transmission warning light on
- Slow, hesitant or aborted gear changes
- Gearbox enters fallback mode with limited gears
Common causes of P0911
- Most likelyWorn select motor drawing abnormal current
- PossibleStiff select mechanism overloading the actuator
- PossibleHigh resistance in actuator wiring or connector
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Gate select actuatorWiring harnessTCM
What each part of P0911 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 9 | Area: transmission. |
| 11 | The exact fault in that area. |
What to do next
- Note P0911 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P0911
What does P0911 mean?
P0911 means "Gate Select Actuator Circuit Range/Performance". Plausibility fault in the drive circuit of the gate select actuator of an automated manual gearbox. It is a generic code, so it means the same on every make.
Is it safe to drive with P0911?
Drive gently and only to a workshop. With P0911 the car can go into limp mode (reduced power) to protect itself.
Will P0911 fail an emissions test?
Yes, it can. P0911 is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P0911 to fix?
Difficulty: hard. A typical repair takes 0.5 to 4 hours of work. This is a job for a workshop.
Will P0911 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.