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Author Topic: Need an expert on Auto Transmission Fault Codes  (Read 815 times)

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PxMetro

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Need an expert on Auto Transmission Fault Codes
« on: 24 December 2010, 17:55:18 »
Tonight I experienced a problem with my Auto Transmission. It made a slight clonk when changing up to top gear (I think it was top) and then I noticed the orange car / spanner warning light had come on. It does not now seem to want to change into top gear. It seems to be stuck in third, as if in Snow mode, but the snow light is not on, and I have not used it today but have quite often of late. I checked for the fault codes and I am getting 0700. Can anyone clarify what this is please? I have checked the codes posted on here by MDTMC which showed P0700 as "Transmission control system range/performance" but when checking on other sites for GM fault codes I found 

* P0700 Transmission Control System Malfunction
* P0701 Transmission Control System Range/Performance

Which ever meaning it is, it sounds like it will cost money.

Just typical that this happens on Christmas eve when the kids want ferrying around the place.  :'( :'(




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TheBoy

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Re: Need an expert on Auto Transmission Fault Codes
« Reply #1 on: 24 December 2010, 21:05:28 »
What are the codes from the TCM?
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PxMetro

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Re: Need an expert on Auto Transmission Fault Codes
« Reply #2 on: 24 December 2010, 22:10:28 »
Quote
What are the codes from the TCM?

Sorry TCM?
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tunnie

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Re: Need an expert on Auto Transmission Fault Codes
« Reply #3 on: 24 December 2010, 22:12:04 »
Those codes are engine codes (they say gearbox is fubared)

The gearbox itself should give you more detailed codes saying whats stuffed...
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PxMetro

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Re: Need an expert on Auto Transmission Fault Codes
« Reply #4 on: 25 December 2010, 01:39:35 »
Quote
What are the codes from the TCM?

The actual code I am seeing using the pedal trick is 1700
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feeutfo

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Re: Need an expert on Auto Transmission Fault Codes
« Reply #5 on: 25 December 2010, 02:08:59 »
As Tunnie says, in effect, the pedal trick only reads the engine ecu.

Needs a reader to see the auto box ecu.
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