The PCM on all newer cars cut cruise for many reasons
top reason is Toyota $2 Billion lawsuit, hummmmmmmm
you can be sure all car co. listened to this with burning ears...
(if the pcm goes to limphome it cuts cruise, same with a/t box.)
so not scanning the PCM is why you dont know why.
for sure. (vss dead, and lots more, brake switch dead sure) and more... not scanning , you work blind....
and 10x that for TBW.
Throttle by wire (generic name )
after all if the PCM cant control idle or throttle , its not going to let you run Cruise, not like back in 1993. sorry not.
Cruise controls are controlled by several units
VSS or road speed sensor, clutch and brake sensors , engine speed (tacho) and the on/off switch
cruise controls will disengage automatically if the road speed is too slow ( higher for manuals than autos ) so if the road speed is below around 20mph it may not engage at all as the VSS says it is too slow for the engine rpms
check all sensors for adjustment
On
this case, to troubleshoot this problem, there are solved help links. Click the
link directly and refer the details to solve this problem yourself, with help
of diagrams: ------
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http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working.html
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Horn
and cruise control not working on Plymouth Grand Voyager?
http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-not-working-on.html
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http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working-on.html
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http://whoisbyme.blogspot.in/2012/07/cruise-control-stops-workingexcessive.html
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http://technoanswers.blogspot.in/2012/02/cruise-control-stop-working-on-1994.html
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http://schematicsdiagram.blogspot.com/2011/12/cruise-control-not-working.html
--------------
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These
will help.
Thanks.
http://technoanswers.blogspot.in/2012/02/ford-ranger-cruise-control-not-working.html
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Horn and Cruise control quit working?
http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working.html
--------
Horn and cruise control not working on
Plymouth Grand Voyager?
http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-not-working-on.html
------------------
Horn and Cruise control quit working on 2003
Jaguar S-Type?
http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working-on.html
-------------
Cruise
Control stops working, Excessive cranks to start the engine and RPM goes max
2500
http://whoisbyme.blogspot.in/2012/07/cruise-control-stops-workingexcessive.html
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Cruise control stop working on 1994 Ford ranger?
http://technoanswers.blogspot.in/2012/02/cruise-control-stop-working-on-1994.html
----------
Cruise control not working?
http://schematicsdiagram.blogspot.com/2011/12/cruise-control-not-working.html
--------------
1996 Ford Explorer: Cruise Control Wiring
Diagram?
http://schematicsdiagram.blogspot.in/2012/06/1996-ford-explorer-cruise-control.html
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These will help.
Thanks.
http://technoanswers.blogspot.in/2012/02/ford-ranger-cruise-control-not-working.html
-----------Horn and Cruise control
quit working?
http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working.html
--------------
Horn and cruise control not
working on car?
http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-not-working-on.html
------------
Horn and Cruise control
quit working suddenly?
http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working-on.html
----------
Cruise control stop working ?
http://technoanswers.blogspot.in/2012/02/cruise-control-stop-working-on-1994.html
---------
ford ranger cruise control not working?
http://technoanswers.blogspot.in/2012/02/2005-ford-ranger-cruise-control-not.html
-------------
My Cruise control not working?
http://schematicsdiagram.blogspot.com/2011/12/cruise-control-not-working.html
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This troubleshooting help links will help you to confirm the problem.
Thanks.
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