Chevrolet Tahoe Hybrid - Problems, Statistics, and Analysis

Chevrolet Tahoe Hybrid owners have reported a total of 116 problems for their cars built in the 5 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 Chevrolet Tahoe Hybrid. The 2008 Chevrolet Tahoe Hybrid cars have the most problems reported (68 problems).

Table 1. Total number of problems by model year for Chevrolet Tahoe Hybrid

  Common problems of Chevrolet Tahoe Hybrid

The following chart shows the 16 most common problems for Chevrolet Tahoe Hybrid cars. The number one most common problem is related to the vehicle's electrical system (20 problems). The second most common problem is related to the vehicle's equipment (18 problems).

Table 2. Common problems of Chevrolet Tahoe Hybrid

Problem Category Number of Problems
  Electrical System
20
  Equipment
18
  Air Bag
14
  Service Brakes
11
  Engine And Engine Cooling
8
  Steering
8
  Structure
7
  Power Train
6
  Vehicle Speed Control
5
  Electronic Stability Control
5
   
  Latches/locks/linkage
4
  Other Fuel System
3
  Suspension
2
  Exterior Lighting
2
  Hybrid Propulsion System
2
  Seats
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Chevrolet Tahoe Hybrid 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 Tahoe Hybrid 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 Chevrolet Tahoe Hybrid 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 Tahoe Hybrid Model Years

Tahoe Hybrid
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2012 14346    
0.38
  2011 95757    
2.24
  2010 65378    
1.40


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