Error code

OBD2 P0910

OBD2P0910
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Gate Select Actuator Circuit/Open.

Severity

highDrive cautiously and seek repair immediately if symptoms worsen.

Summary

P0910 indicates an issue with the transmission gate select actuator circuit, typically involving wiring or the actuator itself in dual clutch and automated manual transmissions.

Symptoms

  • Illuminated check engine light
  • Transmission not shifting properly

Common Causes

  • Wiring problems
  • Faulty TCM/TCM programming
  • Faulty select solenoid

Diagnosis

  1. Clear the code, drive the vehicle to see if it returns.
  2. Check for technical service bulletins (TSBs).
  3. Inspect the gear shift actuator module (GSAM) and wiring visually.
  4. Test the solenoid using a digital multimeter or jumper wire method.
  5. Check continuity between TCM and solenoid.

Fixes

  • Replace faulty select solenoid or repair wiring issues.

FAQ

What should I do if P0910 appears?

Clear the code, drive to see if it returns. If symptoms persist, inspect and test the GSAM and related wiring.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.