Table 1 shows five common power train related problems of the 2003 Cadillac Deville. The number one most common problem is related to the power train (four problems). The second most common problem is related to the automatic transmission torque converter (three problems).
In September of 2014, I received a recall from the state of massachusetts about (1) part that must be repaired in my 2003 Cadillac Deville sedan: (1) ignition switch 14v355000, the only recall showing up on the gm web-site is the ignition switch and the other three and the first are listed here Read details...
Service engine soon light comes on frequently. . . . . I had vehicle checked a several auto shops and received the diagnosis that my torque converter was possibly slipping. I was quoted between $900 to $ 2100 to repair. I stated for this price I could really just buy a remanufactered transmission. Read details...
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 Read details...