Gate Select Actuator Circuit High
Your engine's variable valve timing actuator control circuit is sending a signal that's too high, like a dimmer switch stuck at maximum brightness. The ECU can't properly adjust the valve timing because the electrical signal is out of range.
The ECU monitors the voltage signal from the gate select actuator solenoid control circuit. It expects the signal to stay within a specific voltage range; when it exceeds the upper threshold, the fault triggers. This typically indicates a short to power, wiring fault, or solenoid failure.
| Parameter | Normal Range | Fault Condition |
|---|---|---|
| Actuator Control Voltage | 0.5–4.5 volts | Above 4.8 volts or continuously high |
| Solenoid Resistance | 6–14 ohms | Below 4 ohms or open circuit |
Code P0913 is a moderate fault. You can generally drive to a workshop, but avoid long trips or high-load driving (motorway, uphill towing) until it is diagnosed. If the code keeps returning after clearing, or if you notice the symptoms listed above worsening, do not delay professional diagnosis. Many moderate codes have multiple possible root causes — a mechanic with live OBD data can identify the exact fault more efficiently than part-by-part trial and error.
Once the fault is repaired, P0913 can be cleared using any OBD-II scanner. Connect the scanner, navigate to "Clear Codes" or "Erase DTCs," and confirm. The check engine light turns off immediately.
The code will return if the root cause was not actually fixed. The ECM re-detects the fault within 1–3 drive cycles and sets the code again.