P1490

Power To Fan Circuit Overcurrent

DTC P1490, sometimes indicated as P149000 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the auxiliary emissions system causing power to fan circuit overcurrent.

  • P1490: Power To Fan Circuit Overcurrent
  • P1490 00: Auxiliary cooling pump relay - circuit malfunction

DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • E178 - ENGINE AND ENGINE COOLING
    PACCAR: Fix-as-fail - on the mx-13 epa13 engine, water may buildup and freeze on the egr pressure difference sensor (f751), causing a P1490 (egr - valve stuck in open position fault) and resulting in a stop engine lamp.
  • CB-14-L-001 - ENGINE AND ENGINE COOLING:ENGINE:DIESEL
    ISUZU: Isuzu: see document search button for owner letter. Special policy adjustment regarding the various diagnostic trouble codes (dtc) P2201, P2206, P2207, P1490 or P2000, have been set due to an internal failure of selective catalyst reducti
  • 05053 - ELECTRICAL SYSTEM
    NISSAN: Malfunction indicator lamp (mil) on with diagnostic trouble codes (dtcs) stored P0444, P0447, P0605, P1122, P1444, P1490. *tt
Previous Code: P1487 | Next Code: P1491