DTC codes / Toyota codes / P1510
P1510 on Toyota vehicles indicates that the engine control module (ECM) has detected an abnormal condition in the boost pressure control circuit, which manages the turbocharger or supercharger wastegate or bypass valve. The ECM monitors the circuit for expected voltage or resistance and sets this code when the signal falls outside the programmed range, often due to a wiring fault, a failed solenoid, or a mechanical issue with the turbocharger actuator.
Guidance is general and written for Toyota vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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