Error code P0495

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Error code P0495

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Error code P0495 - 2/1/2006 2:03:27 PM

tshunt01

Posts: 1
Joined: 2/1/2006
Status: offline

I have a 2002 trailblazer LS. The check engine light is on. Checked the cooling fan relay sensors and changed them out. It's still making the high idle noise. Any ideas?

_____________________________

Miss. Hunt

Post #: 1

RE: Error code P0495 - 2/16/2007 8:34:59 PM

John86

Posts: 254
Joined: 2/16/2007
Status: offline

it's prolly ur fan clutch they r bad about going out.

(in reply to tshunt01)

Post #: 2

RE: Error code P0495 - 2/16/2007 9:44:33 PM

golfer

Posts: 610
Joined: 10/8/2006
Status: offline

quote:

ORIGINAL: tshunt01

I have a 2002 trailblazer LS. The check engine light is on. Checked the cooling fan relay sensors and changed them out. It's still making the high idle noise. Any ideas?

You'll have to describe what P0495 is ??

(in reply to tshunt01)

Post #: 3

RE: Error code P0495 - 2/18/2007 10:26:44 PM

John86

Posts: 254
Joined: 2/16/2007
Status: offline

DTC P0495
Circuit Description
The cooling fan relay sends a pulse width modulation (PWM) signal (12-14 volts) to the cooling fan by the cooling fan clutch supply voltage circuit. The powertrain control module (PCM) uses the PWM signal, which controls the speed of the cooling fan by controlling the position of the oil control valve inside the clutch. If the cooling fan RPM is to high when the PCM is commanding 0%, DTC P0495 will set.

according to the flow chart if u already replaced the relay next to replace is ur fan clutch.

(in reply to golfer)

Post #: 4