Question about 2002 Cadillac Deville
You can try resetting any vehicle error codes (DTCs) with a code scanner. Depending on which instrument panel (IPC) you have, you may be able to put your IPC in diagnostic mode and reset any DTCs from there. Simultaneously hold the top of the Info button and the On/Off buttons for several seconds to go to diagnostic mode; then use these buttons to navigate the options showing on the IPC. Before resetting the DTCs, make sure you record the DTCs - you can look them up on the internet. If resetting doesn't solve your problem, the IPC is probably toast.
Posted on Sep 28, 2014
SOURCE: Error Codes
These may have been set by the battery change and are what GM calls phamtom codes, clear the codes with the following.
Try this and see if the codes go away.
1. Re-enter diagnostics via the climate control panel and after all the codes appear you will see .7.0
2. Simultaneously push and hold the OFF and HI (^) buttons on the climate control panel until you see E.0.0 and release both buttons.
3. Turn ignition key OFF, Wait 15 seconds and re-enter diagnostics and see if the codes reappear. If they do NOT reappear, You are good to go.
After you have done this try starting the engine and see what codes re-appear, also run and OBD 2 test of the system at the diagnostic connector, this will give P codes that we are better able to find definitions for, the E codes are unique to just a few GM cars.
Posted on Oct 13, 2008
SOURCE: 2003 cadillac deville want start
check battery voltage, if battery voltage is ok, you may need to check fuses under hood on passengers side, if start fuse is ok, you may need to have your starter replaced
Posted on May 28, 2009
the problem is caused by a defective gas gauge sending unit, this part is located inside the gas tank, you must remove the gas tank to replace it.
Posted on Dec 02, 2009
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