Two problems related to automatic transmission have been reported for the 2003 Cadillac Deville. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Cadillac Deville based on all problems reported for the 2003 Deville.
2003 Deville 83k miles taken for emission test will not past untill code po741 is fix. Po741 torgue converter cluth excessive slip transaxle cost $2000 to $4500 to repair but is not an emission part.
The "service engine soon" appeared many times on the dash of my 2003 Cadillac Deville. After 4 diagnoses it was decided that the transmission was defective and required a $4200 repair.
| Power Train problems | |
| Automatic Transmission Torque Converter problems | |
| Automatic Transmission problems | |
| Transmission Fluid Leaking problems | |
| Transmission Solenoid problems |