2003 Cadillac CTS electrical system problems

56 owner complaints filed with NHTSA name the electrical system on the 2003 Cadillac CTS — 18% of all complaints for this model year.

Electrical System complaints

18%

share of all complaints

90,000 mi

median reported incident mileage

4 / 4

crash / fire reports

What owners report

“The contact owns a 2003 Cadillac CTS. The contact stated that when driving at various speeds the vehicle would suddenly stalled and the instrument panel would illuminate. The message stating "starting disabled remove key" would display. The contact stated that they would be able to coast and…”
filed Jul 5, 2022
“The computer isn’t telling the alternator to charge the battery so the batteries are being all of the way drained without anything recharging them. Beans new batteries get ruined fast.”
filed Jun 25, 2021

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

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