2003 Jeep Liberty p1491

2003 JEEP LIBERTY
11,000 MILES • 6 CYL • 2WD • AUTOMATIC
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DESTINY304
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  • 1 POST
my engine code comes up p1491, but is not overheating. i did notice some smoke from under the hood. i have not driven it since the problem started. is it just the fan relay?
Sep 28, 2009 at 10:07 PM
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BLUELIGHTNIN6
  • ✓ASE Certified Mechanic
  • 16,542 POSTS
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DTC P1491 : Radiator Fan Control Relay Circuit

Possible Causes:

Intermitten Condition

Ground Circuit

Fused B+ Output Circuit

Radiator Fan Relay Control Circuit

PCM



Most suspected cause would be faulty / sticking control relay.
Sep 28, 2009 at 11:10 PM
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