Question about 1993 Cadillac DeVille
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Posted on Jan 02, 2017
Powertrain Control Module = under right side of dash, near blower motor.
Engine Control Module = same as above
Vehicle Control Module = same as above
All Suburban vehicles are equipped with only one of these choices. Good luck.
Posted on Oct 04, 2008
the low oil pressure light can be a faulty oil pressure sensor.But mostly its the pump itself. open the oil pan and check if the net is chocked if not then replace the oil pump and do install the new o ring supplied with the pump. And try changing the oil on time and a good brand is important. (if the problem still exists then u need to replace the crank barring and the cam bushings..Just kidding).
Posted on May 21, 2010
SOURCE: where is the ecm-pcm located
For 1994 Cadillac Deville 4.9L SFI 8cyl the Engine Control Computer is located front seating area, passenger side, under dash, mounted behind glove compartment cavity on firewall.
Good luck (remember to rate and comment this free answer).
Posted on Sep 25, 2011
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Please read the owners manual on this first then read on here.
Whenever this warning light or any other stays on in the dash it is indicating that the systems control module (or the system sensor in the case of lights like low oil pressure, door open indicators etc.) has detected a fault, it then disables the system (this applies to ABS,TCS, TCM, SRS and BCM faults and others) as long as the light is on. You must now have the dealer hook up a special electronic diagnostic tool and "scan" the system for the fault code that is stored for the problem(s)
of Abbreviations. ABS Antilock brake system.TCS Traction control
system, TCM Transmission control module, SRS Supplemental restraint
system, BCM Body control module
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