P0907high severityPowertrain
Gate Select Actuator Circuit Range/Performance
on 1998 Toyota Tacoma 2.7L I4 · RWD
What this code means
The gate select actuator response does not match commanded values during shifts. This causes inaccurate or slow gate positioning in the transmission.
Symptoms
- Slow shifts
- Wrong gear engagement
- Performance loss
Common causes
- Sticking actuator mechanism
- Degraded wiring
- Low transmission fluid
- Faulty control module
Diagnostic steps
- Read live actuator data
- Compare commanded vs actual position
- Inspect actuator and linkage
- Check fluid condition and level
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