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Bad coolant temp sender or bad ECU? S80 2001

posted by  KlausC on  Thu Dec 4 15:40 CST 2014
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last visit: Fri Oct 24 10:15 CST 2014
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Don't tear apart the ABS controller just yet. Only do that if you did have the ABS/STC lights on. Plug it back in and see what happens. The ABS codes will NOT reset with power off.

You have no temp gauge but does the thermostat work? Is the upper radiator hose hot? A failed temp sender will present all sorts of problems as the ECM will be told the engine is either real hot or real cold.

Your 2001 could have a problem with the DIM, driver information module better known as the instrument cluster. But without a good code reader, you won't know.
--
My back feels better when I sit in a Volvo seat






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New Bad coolant temp sender or bad ECU? [S80][2001]
posted by  interstition  on Thu Dec 4 13:55 CST 2014 >


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