One problem related to tank assembly has been reported for the 2006 Cadillac CTS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Cadillac CTS based on all problems reported for the 2006 CTS.
Fuel gauge indicates more fuel than what is in the tank. For example the fuel gauge reads 1/2 tank when there is only a few gallons in the tank.
| Gasoline Fuel System problems | |
| Tank Assembly problems |