HomeTrouble CodesP2562

P2562 — Turbocharger Boost Control Position Sensor Circuit

Manufacturer-specificPowertrain (engine & transmission)

P2562 indicates an electrical fault in the turbocharger boost control position sensor circuit. This sensor monitors the position of the variable geometry turbocharger vanes or wastegate actuator. The code sets when the powertrain control module detects a signal voltage outside the expected range or a circuit continuity issue.

Symptoms

What causes it — most likely first

1. Failed boost control position sensor

The sensor itself is the most common failure point due to heat, vibration, and contamination exposure.

2. Damaged wiring or connectors

Chafed, melted, or corroded wires and terminals in the sensor circuit disrupt signal integrity.

3. Loose or corroded electrical connections

Poor contact at the sensor connector or PCM connector creates intermittent or out-of-range signals.

4. Mechanical binding of turbocharger vanes or actuator

Carbon buildup or wear prevents the actuator from moving freely, causing position feedback errors.

5. Failed turbocharger actuator or solenoid

Internal actuator motor or solenoid failure prevents proper vane positioning despite correct commands.

6. PCM software or internal fault

Rare; only considered after all sensor, wiring, and mechanical issues are ruled out.

How it's diagnosed

  1. Scan for additional codes and review freeze frame data for operating conditions at fault set
  2. Visually inspect sensor wiring harness and connectors for damage, heat exposure, or corrosion
  3. Test sensor resistance and signal voltage per manufacturer specifications using a multimeter
  4. Verify proper sensor supply voltage and ground at the connector with the ignition on
  5. Inspect turbocharger actuator for mechanical binding, carbon buildup, or physical damage
  6. Confirm PCM operation by substituting a known-good sensor if all circuit and mechanical checks pass

Code facts & related codes

SystemPowertrain (engine & transmission)
StandardizationManufacturer-specific (P1/B1/C1/U1)

Frequently asked

Is the PCM usually the cause of P2562?

No, PCM failure is a rare cause. The sensor, wiring, or turbocharger mechanical issues are far more common.

Can I continue driving with this code active?

The vehicle will likely enter reduced-power mode. Extended driving risks further turbocharger or engine damage.

Does this code always require turbocharger replacement?

Not necessarily. Often only the position sensor or wiring needs repair, though severe mechanical wear may require turbocharger service.

Will clearing the code fix the problem?

No, clearing the code without repairing the underlying fault will result in the code returning, usually immediately.