P0909High SeverityTransmission

Gate Select Control Error

What This Means

The gate select control error has been detected. This relates to the automated manual transmission gear selection and clutch control system.

Common Symptoms

Gear selection difficulty
Clutch engagement issues
Warning light on
Limp mode

Common Causes

Faulty actuator or sensor
Hydraulic system leak
Wiring damage
Connector corrosion
TCM failure

Estimated Repair Cost

$200 – $1200

Parts and labor (varies by vehicle and location)

Difficulty:Professional

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.