P1474 Acura Low Fan Control Primary Circuit Malfunction

P1474 Acura Low Fan Control Primary Circuit Malfunction

Possible causes
  • FCV circuit open or shorted.
  • B+ or ground circuit fault to cooling fan.
  • VPWR open to cooling fan (if applicable).
  • Damaged cooling fan module.
  • PCM damaged.
    • Symptoms
    – Engine Light ON (or Service Engine Soon Warning Light)
    P1474 Acura Description

    This test checks the Fan Control – Variable (FCV) output circuit. The DTC sets if the PCM detects the voltage on the FCV circuit is not within the expected range.

    Acura Vehicle:

    Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura TL, Acura TSX, Acura ZDX, Acura CSX, Acura EL, Acura Integra, Acura RSX, Acura Legend, Acura Vigor, Acura CL, Acura SLX, Acura NSX, Acura RL, Acura ZDX