The OBD-II diagnostic code P1702 is triggered when your vehicle's Engine Control Unit (ECU) detects an issue described as: "Turbo Control Solenoid Circuit Malfunction".
This is a generic powertrain code, which means it applies to most makes and models manufactured since 1996. However, the exact repair steps, severity, and cost can vary radically depending on whether you drive a Ford, Toyota, BMW, or any other brand.
To read the telemetry, identify this fault, and clear the check engine light yourself, you need to connect an OBD2 Bluetooth scanner to your car.
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