Faulty boost control solenoid (wastegate or bypass valve solenoid); Damaged or disconnected vacuum hoses to the wastegate actuator or boost control solenoid; Corroded or damaged electrical connectors at the boost control solenoid; Open or short circuit in the wiring between the ECM and the boost control solenoid; Failed turbocharger wastegate actuator or stuck wastegate flap; Clogged or restricted boost pressure sensor or intercooler; ECM internal fault (rare)

DTC codes / Toyota codes / P1510

P1510 · ToyotaBoost Pressure Control Circuit

Q: What does code P1510 mean?

Boost Pressure Control Circuit. 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.

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.

SystemPowertrain

Code typeToyota specific

SeverityMedium

Fix difficultyIntermediate

AreaVehicle speed, idle control and auxiliary inputs

Symptoms you may notice

Illumination of the check engine light, often with no other noticeable symptoms
Reduced engine power or limp mode, especially under acceleration
Poor acceleration or sluggish throttle response
Decreased fuel economy
Audible whistling or hissing from the turbocharger area
Rough idle or stalling in some cases

Common causes, most likely first

Faulty boost control solenoid (wastegate or bypass valve solenoid)
Damaged or disconnected vacuum hoses to the wastegate actuator or boost control solenoid
Corroded or damaged electrical connectors at the boost control solenoid
Open or short circuit in the wiring between the ECM and the boost control solenoid
Failed turbocharger wastegate actuator or stuck wastegate flap
Clogged or restricted boost pressure sensor or intercooler
ECM internal fault (rare)

How to diagnose and fix it

Inspect all vacuum hoses and connections at the turbocharger, wastegate actuator, and boost control solenoid for cracks, leaks, or disconnections
Check the electrical connector and wiring at the boost control solenoid for corrosion, damage, or loose pins
Test the boost control solenoid with a multimeter for resistance and compare to factory specifications
Measure voltage and ground signals at the solenoid connector with the key on and engine running to verify circuit integrity
Perform a bidirectional scan tool test to command the boost control solenoid on and off and listen for activation
If the solenoid fails testing, replace it and clear the code; if wiring is faulty, repair the harness
Clear the diagnostic trouble codes and perform a road test to confirm the repair and ensure the code does not return

Common Misdiagnosis Traps for P1510

A stuck-open wastegate can mimic a faulty boost control solenoid, so always inspect the actuator rod for free movement before replacing electrical parts.
On many Toyota turbo engines, a dirty mass airflow sensor or a boost leak at the intercooler can cause the ECM to set P1510 indirectly by skewing boost pressure calculations.
The boost control solenoid often fails intermittently, so a resistance check when cold may pass; perform a wiggle test on the harness while monitoring live data to catch intermittent faults.
Replacing the turbocharger without first verifying the control circuit is a costly mistake; the code points to the circuit, not necessarily the turbo itself.
After repairs, the ECM may require a relearn procedure or several drive cycles before the monitor runs and the code clears permanently.

Can I keep driving with P1510?

You can usually drive the vehicle with P1510 set, but avoid heavy acceleration and sustained high-speed driving because the engine may enter limp mode or suffer reduced power. Have the fault diagnosed promptly to prevent potential damage to the turbocharger or catalytic converter from incorrect boost levels.

Tools that help

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Guidance is general and written for Toyota vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.