CEL light
09-20-2005, 06:13 PM
#11
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Its hard to say what the problem is going to be.... Its possible to have some wear in the valvebody causing the TCC to leak pressure, Its also possible that the Torque Converter is wearing, and or the fluid can be oxidised...
What we need to know is what the PCM is calling for and whats happening..
You'd have to look for the slip RPM'* at 100% TCC duty cycle... If the slip RPM'* do not drop a certain degree the PCM will see this as a problem and ses the SES light...
Before you reset the code did you write it down so you could figure it out, or was this also a P1870 codes...
This stands for Transmission Component Slipping
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What we need to know is what the PCM is calling for and whats happening..
You'd have to look for the slip RPM'* at 100% TCC duty cycle... If the slip RPM'* do not drop a certain degree the PCM will see this as a problem and ses the SES light...
Before you reset the code did you write it down so you could figure it out, or was this also a P1870 codes...
This stands for Transmission Component Slipping
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09-20-2005, 06:37 PM
#13
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Originally Posted by willwren
Don, I don't think the 9135 will tap the data stream realtime. It'* just a code reader.
Just stating some of the things that need to be known to help point them in the right direction..
And yep, the CP9135 is merely a code reader
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09-20-2005, 06:53 PM
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Originally Posted by willwren
We need to get both of the cars being discussed scanned, eh?
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09-21-2005, 10:26 AM
#16
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Originally Posted by jr's3800
Before you reset the code did you write it down so you could figure it out, or was this also a P1870 codes...
This stands for Transmission Component Slipping
This stands for Transmission Component Slipping
Yes, I should get it scanned. However, shouldn't I expect the code to come back if it happens again? I am thinking it was one of those fluke things. It'* been running OK for last 2 months (including 2 three hour hwy/country drives).
09-25-2005, 02:32 PM
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I just looked it up on Alldata and your right, trans slippage.
Sellncars
Sellncars
Originally Posted by jr's3800
I believe that P1870 is a code for slip in the tranny... I 'll dig a little more..
The poertrain control module monitors the TCC slip by calculating the diffrence between the engine speed and the transmission output shaft speed, if the PCM detects an excessive amount of slip when the TCC is engaged then DTC 1870 sets...
Action taken when the dtc sets
The PCM inhibits TCC operation
The PCM inhibits 4th gear if the transmission is in hot mode
The PCM illuminates the MIL
The poertrain control module monitors the TCC slip by calculating the diffrence between the engine speed and the transmission output shaft speed, if the PCM detects an excessive amount of slip when the TCC is engaged then DTC 1870 sets...
Action taken when the dtc sets
The PCM inhibits TCC operation
The PCM inhibits 4th gear if the transmission is in hot mode
The PCM illuminates the MIL
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