Cadillac DTS - Problems, Statistics, and Analysis

Cadillac DTS owners have reported a total of 552 problems for their cars built in the 8 model years listed in the chart below. The chart shows the number of problems reported across all service years for each given model year of the Cadillac DTS. The 2006 Cadillac DTS cars have the most problems reported (283 problems).

Table 1. Total number of problems by model year for Cadillac DTS

Model Year Number of Problems
  2011 DTS
14
  2010 DTS
24
  2009 DTS
35
  2008 DTS
87
  2007 DTS
93
  2006 DTS
283
  2005 DTS
9
  2004 DTS
7

  Common problems of Cadillac DTS

The following chart shows the 21 most common problems for Cadillac DTS cars. The number one most common problem is related to the vehicle's electrical system (147 problems). The second most common problem is related to the vehicle's exterior lighting (94 problems).

Table 2. Common problems of Cadillac DTS

Problem Category Number of Problems
  Electrical System
147
  Exterior Lighting
94
  Engine And Engine Cooling
61
  Steering
47
  Air Bag
28
  Service Brakes
27
  Equipment
25
  Seats
19
  Vehicle Speed Control
16
  Other Fuel System
14
   
  Power Train
13
  Structure
12
  Visibility
10
  Suspension
9
  Tire
9
  Seat Belt
8
  Wheel
5
  Electronic Stability Control
5
  Traction Control System
1
  Latches/locks/linkage
1
  Unknown Or Other
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Cadillac DTS of an older model year to newer model years since older vehicles have been in service longer and thus are expected to have more problems. In order to compare the reliability across DTS model years, we use the PPMY index which is defined as the problems reported per thousand vehicles per Year. A smaller PPMY index indicates greater reliability of the given model year cars.

    PPMY = P / S / Y * 1000,

where P = total problems reported during the life of a Cadillac DTS model year; S = total units sold of the model year; Y = years since the debut of the model year (the age of the vehicle).

The results are shown in Table 3.

Table 3. Use PPMY Index to Compare Reliability Across DTS Model Years

DTS
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2011 1418,4608    
0.09
  2010 2416,6099    
0.16
  2009 3517,65210    
0.20
  2008 8742,48011    
0.19
  2007 9349,05412    
0.16
  2006 28367,39513    
0.32

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Cadillac DTS is to use the total number of problems reported during the vehicle's first year in service, as shown in the Table 4.

Table 4. Number of problems in vehicle's; first service year

Model YearProblems Reported
  2010 DTS
5
  2009 DTS
4
  2008 DTS
8
  2007 DTS
11
  2006 DTS
29
  2005 DTS
1


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