Jeep Commander - Problems, Statistics, and Analysis

Jeep Commander owners have reported a total of 4,397 problems for their cars built in the 6 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 Jeep Commander. The 2006 Jeep Commander cars have the most problems reported (2,367 problems).

Table 1. Total number of problems by model year for Jeep Commander

Model Year Number of Problems
  2010 Commander
50
  2009 Commander
68
  2008 Commander
541
  2007 Commander
1,365
  2006 Commander
2,367
  2005 Commander
6

  Common problems of Jeep Commander

The following chart shows the 26 most common problems for Jeep Commander cars. The number one most common problem is related to the vehicle's electrical system (1,468 problems). The second most common problem is related to the vehicle's engine and engine cooling (913 problems).

Table 2. Common problems of Jeep Commander

Problem Category Number of Problems
  Electrical System
1,468
  Engine And Engine Cooling
913
  Power Train
503
  Equipment
224
  Structure
197
  Vehicle Speed Control
147
  Steering
129
  Air Bag
114
  Service Brakes
112
  Visibility
99
   
  Seat Belt
92
  Exterior Lighting
79
  Electronic Stability Control
75
  Unknown Or Other
62
  Latches/locks/linkage
42
  Seats
33
  Other Fuel System
29
  Suspension
24
  Gasoline Fuel System
15
  Wheel
14
  Tire
13
  Interior Lighting
6
  Parking Brake
3
  Air Brake
2
  Child Seat
1
  Traction Control System
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Jeep Commander 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 Commander 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 Jeep Commander 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 Commander Model Years

Commander
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2010 503,7779    
1.47
  2009 682,33610    
2.91
  2008 5419,28811    
5.30
  2007 1,36514,85612    
7.66

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Jeep Commander 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 Commander
1
  2009 Commander
2
  2008 Commander
25
  2007 Commander
85
  2006 Commander
170


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