95 Pathfinder CEL code 55 over and over...

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DS - 06 Jun 2007 15:03 GMT

I've had a check engine light on my truck for a while now. Every time I've
checked it I get a code 55 which means no problem. I then reset the CEL. As
soon as I start the engine, the CEL comes back on - code 55 again. What
gives? Any insight?

DS

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NissTech - 07 Jun 2007 21:16 GMT

sounds to me like your not doing it correctly, instructions for the mode
screw retrieval of codes must be followed exactly.

Also once you cycle through all 5 modes all stored codes are erased

> I've had a check engine light on my truck for a while now. Every time I've
> checked it I get a code 55 which means no problem. I then reset the CEL. As
> soon as I start the engine, the CEL comes back on - code 55 again. What
> gives? Any insight?
>
> DS

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DS - 08 Jun 2007 16:21 GMT

Here's what I'm doing:
-turn on ignition
-turn screw and hold
-cycle through Mode 1, Mode 2 then Mode 3
-release screw (turn back to original position
-count green and red flashes
-set to Mode 4 to erase stored code
-turn off ignition

Every time I get 55. I am following the procedure in the service manual. Am
I doing something wrong?

DS

> sounds to me like your not doing it correctly, instructions for the mode
> screw retrieval of codes must be followed exactly.
[quoted text clipped - 8 lines]
>>
>> DS

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DS - 13 Jun 2007 17:26 GMT

Bump. Still looking for some insight here.

Thanks,
DS

> Here's what I'm doing:
> -turn on ignition
[quoted text clipped - 22 lines]
>>>
>>> DS

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