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OBD II Fault Code P0638 :

Description of Fault code P0638

INTAKE SHUTTER VALVE (ISV) ACTUATOR CONTROL MODULE RANGE/PERFORMANCE PROBLEM

Possible failuer P0638

  • Intake Shutter Valve (ISV) Actuator Control Module
  • Intake Shutter Valve (ISV) Actuator Control Module (DC motor)
  • Intake Shutter Valve (ISV) Position Sensor A/B
  • Intake Shutter Valve (ISV) Body

Diagnostic Procedure using AutoHex II Scan Tool

  • The deviation between the Intake Shutter Valve (ISV) position target and the actual value of the Intake Shutter Valve (ISV) Position is detected more than a specified value.
  • The power current running into the Intake Shutter Valve (ISV) Actuator Control Module is detected more than a specified value, or the temperature of the Motor Driver is detected more than a specified value.

Test Conditions using AutoHex tester

  • Continuously

Clear Fault codes Conditions

  • The deviation between the Intake Shutter Valve (ISV) position target and the actual value of the Intake Shutter Valve (ISV) Position is detected more than a specified value.
  • The power current running into the Intake Shutter Valve (ISV) Actuator Control Module is detected more than a specified value, or the temperature of the Motor Driver is detected more than a specified value.

MIL Status

  • Check Engine Light ON

Programming BMW F Series


Note:

  • AutoHex II is a professional Auto diagnostic.
  • This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
    To get the accurate fault code description you may use AutoHex II

More Fault codes:

OBD II Fault Code P0639
OBD II Fault Code P063A
OBD II Fault Code P063B
OBD II Fault Code P063C
OBD II Fault Code P063D
OBD II Fault Code P063E
OBD II Fault Code P063F
OBD II Fault Code P0640
OBD II Fault Code P0641
OBD II Fault Code P0642
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