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Tranny problem 2004 cl600. help.

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Old Mar 20, 2015 | 04:43 PM
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Tranny problem 2004 cl600. help.

2004 cl600 bi-turbo, 5 speed tranny. w215

hi, i did a search and so far haven't found the answer. today after waiting at at a pick up window at wendys i drove the car and when i hit the gas the tranny revved to 4000 and wouldn't go down. i pulled off and the car went back down to 600 rpm. pulled out and as soon as tranny shifted it went back up to 4000 rpm and would not shift out of the existing gear. i assume car was in limp mode? pulled off again and this time shut car off. immediately restarted and all was well. i uses both comfort and sports mode and everything worked as it should. no check engine light, no codes. i remember reading about possibly the crank position sensor, or throttle position sensor possibly causing this. is one of these possibly the culprit, or is there something else i should be looking at. hopefully this doesn't reoccur as this is the only time this has happened so far. looking forward to some feedback.

checked and no oil leakage, wirring harness is not leaking under tranny, no fluid wicking to ecu. tranny fluid is at correct level, conductor plate was scanned.
i scanned with a star c3 and didn't get any error codes, but i did get ! (exclamation marks) on the following items.
Electronic Selector Module !
Suspension !
ICM instrument cluster with maintenance interval display !
Electronic Stability Control !

explanations-1- it was not possible to establish communication with module N47-5 (ESP, SPS, pml) with BAS control unit.

possible cause and remedy

Voltage to supply ( circuit 30) for the control unit is not okay.
Voltage to supply ( circuit 87) for control unit is not okay.
The K-wire from control module to diagnosis socket is not okay.
The control unit is faulty.

Electronic Selector Module.

1-error during initializing.
2-no link between diagnosis gateway and control unit
Possible causes
1- voltage to supply of the control module is not okay.
2- control module not part of standard configuration.

the above is what i was able to get from star. No fault codes., just exclamation marks.
there is no history of errors either.
any ideas? i've driven the car 3 times since the first occurrence and everything seems to be back to normal. could this be a computer glitch? and why am i getting exclamation marks and no error codes. btw, last time i scanned the car about a month ago everything checked Okay in the quick test, now i get the exclamation marks (!) next to the above listed items.
any help and feed back is greatly appreciated.

Last edited by biker349; Mar 20, 2015 at 04:53 PM.
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