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XC90 '02'15 General Forum for the P2-platform XC90 model |
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Transmission performance lowViews : 819 Replies : 2Users Viewing This Thread : |
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Feb 16th, 2019, 07:20 | #1 |
New Member
Last Online: Feb 16th, 2019 09:09
Join Date: Jan 2019
Location: Sydney
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Transmission performance low
Hi guys
I went to look at a xc90 today, the seller reported that the car was having problems with the transmission. I connected vida and got the attached error messages I cleared the error messages and took the car for a drive. The car was driving fine and changing gears until it started flaring between gears, then came up with a message that transmission performance was low. I checked vida and it was only displaying this error message. TCM-012D gear shift function. Wrong gear ratio The car then would not move...it would not go into gear. Yet the display on the dash was changing from N to D and R. We switched the car off and on again and the car only went into gear once then dropped out again. I'm assuming there is an issue with the TCM but not sure what's involved with replacing a tcm and getting it programmed. Any help would be great. Thanks |
Feb 16th, 2019, 08:57 | #2 |
Bungling Amateur
Last Online: Today 20:55
Join Date: Aug 2014
Location: Beverley, East Yorks
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The display on the dash is driven by the gear selector, not the TCM, so thats a red herring.
I am 99% sure the clutches and/or solenoid valves in the gearbox are knackered. The incorrect ratio errors are derived from the input and output speed sensors in the gearbox and because of the flare or inability to shift the differences have gone out of tolerance. You might improve it with a fluid change, but if you buy the car it needs to be cheap enough to fund a gearbox overhaul.
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2011 XC90 D5 Executive 2003 C70 T5 GT 2012 Ford Ranger XL SC 1977 Triumph Spitfire 1500 1976 Massey Ferguson 135 |
Feb 16th, 2019, 09:09 | #3 |
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Last Online: Feb 16th, 2019 09:09
Join Date: Jan 2019
Location: Sydney
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Thanks for your reply....I live in Australia and labor is very costly so best to steer away from this deal.
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