Skip to content
P239B Powertrain

Diesel Intake Air Flow B Control Motor Current Range or Performance

The motor current of the actuator on diesel intake air flow B is outside the calibrated window - typically excessive (sticky valve), or too low (worn brushes).

Affected components

  • Diesel intake air flow b

Common causes

  • High likelihood: Motor overloaded by jammed valve

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • This code can affect emissions

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

You might like