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Trans range selector switch 

 

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 Post subject: Trans range selector switch
Posted: Sun Jan 06, 2008 5:00 pm 
Stock as a Rock
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Location: Palmerston North
Oustide Australia

hey all. I'm getting e 27 error code on the trans diagnostics (EF XR8). From what I understand when you put the gear selector into gear a specific voltage is sent to the ECU so it knows what gear it is and then this is sent to the TCM via the serial link.

When you move the switch it goes into gear, reverse, park & neutral but if the voltages are screwing up could this cause the trans to go into limp mode?

I haven't probed the ECU pin to see if the voltages are buggered but thought I would ask anyhow.

Any ideas?
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Posted: Sat Jan 12, 2008 1:45 am 
Parts Gopher
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Age: 29

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Ride: ED V8 5LTR

Location: Perth
WA, Australia

change the gear position switch and check the shifter it lined up properly. Undo the shifter from the box and put the box in park move the shifter to park and put it back on and make sure it all lines up.
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Posted: Sat Jan 12, 2008 2:19 pm 
Stock as a Rock
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Joined: 4th Jun 2006

Gallery: 5 images

Location: Palmerston North
Oustide Australia

Thanks man, I tested the voltages from the switch and they are all within range. It turned out to be the VSS causing the limp mode. I had a USA VSS in the car but have since put the original one back in.
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