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ACC / B0194 38

Read the instructions below then start the fault diagnostic procedure.

Symptom: Faulty function of ventilation fan. No A/C function.

  B0194 38


Fan Blower Control Module, Internal Failure

Fault symptom

Faulty function of ventilation fan.

No A/C function.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ventilation fan activated.

Fault criteria:

Fault in the internal ventilation fan control unit.

System reaction to a fault:

A/C function switched off.

Diagnostic help

Diagnosis regards:

Electrical fault in the component.

Functions in the diagnostic tool related to the fault:

Test value:
Fan Feedback OK
Activation:
Fan PWM Control
(See also description of readings/activations in diagnostic tool)