P0913 Gate Select Actuator Circuit High

P0913 points to a high gate select actuator circuit. The actuator control path is open, shorted to voltage, or reporting above expected electrical range.

Code status

Needs verification

Not yet verified against SAE J2012_202509 / J2012DA. Treat unverified rows as a lookup aid, not repair authority.

System: Transmission
Scope: iso-sae-controlled-p0
Standard: SAE J2012 / ISO 15031-6
Source: legacy-import

Diagnostic boundary

A diagnostic trouble code reports that a monitored test failed. It does not prove one specific part is bad, and manufacturer logic can add vehicle-specific conditions.

Do not perform a relearn before correcting a high actuator circuit fault.

Useful checks before replacing parts

Check actuator circuit voltage, continuity, ground, connector fit, open circuits, short-to-voltage faults, and module driver state.
Inspect transmission connector terminals, actuator connector sealing, harness rub points, and recent service that may have disturbed wiring.
Compare gate actuator command with position feedback to decide whether the actuator is electrically disconnected or mechanically stuck.

Related OBD-II codes

These nearby transmission entries can help compare wording and fault area. They may share the same verification status as the source database.