P0911
PowertrainTransmission Shifthigh severityGate Select Position Circuit Range/Performance
What P0911 Means
The gate select position sensor signal is out of its expected range or not matching commanded position. This affects the transmission's ability to move between shift gates in automated manual gearboxes.
Symptoms
- Hard or failed shifting
- Transmission warning light
- Stuck in gear
Common Causes
- Faulty gate select position sensor
- Damaged wiring or connectors
- Worn shift actuator mechanism
- Failed transmission control module
Diagnostic Steps
- Scan for related transmission codes
- Inspect gate select sensor wiring and connectors
- Measure sensor voltage against spec during shifts
- Test shift actuator operation
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