2005 Chevrolet Cobalt Power Train Problems

Source: NHTSA · Updated Feb 12, 2026 · 99 complaints analyzed

Owners have filed 99 complaints with NHTSA about power train problems on the 2005 Chevrolet Cobalt, 6% of all complaints for this model year. Half of the reports with a mileage happened before 65,000 miles. The words owners use most often: “traction control” (11% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Traction control: mentioned in 11 of 99 complaints (11%)
  • Transmission shift: mentioned in 6 of 99 complaints (6%)
  • Key ignition: mentioned in 6 of 99 complaints (6%)
  • Loss power steering: mentioned in 5 of 99 complaints (5%)

At what mileage do power train problems happen?

Based on 89 complaints that reported the odometer reading.

Under 10k miles5 · 6%
10k–25k miles13 · 15%
25k–50k miles12 · 13%
50k–75k miles19 · 21%
75k–100k miles13 · 15%
100k–150k miles19 · 21%
150k+ miles8 · 9%

How serious are the reports?

Of 99 complaints, 1 mention a crash.

Chevrolet Cobalt power train complaints by model year

Peak: 2006, with 137 complaints
2005: 992005992006: 13720061372007: 432007432008: 292008292009: 292009292010: 31201031

n = 368 complaints · Source: NHTSA

Model yearPower Train complaintsShare of that yearMedian miles
2010 Cobalt315%94,000
2009 Cobalt294%64,000
2008 Cobalt293%75,000
2007 Cobalt433%51,581
2006 Cobalt1376%66,175
2005 Cobalt996%65,000

When owners reported it

Peak: 2010, with 16 complaints
2005: 5200552006: 772007: 3200732008: 442009: 102009102010: 16162011: 5201152012: 332013: 7201372014: 12122015: 9201592016: 662017: 5201752018: 332019: 2201922020: 112021: 120211

n = 99 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists power train for the 2005 Chevrolet Cobalt. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

Tl* the contact owns a 2005 chevrolet cobalt. The contact stated that the transmission failed. The contact stated that the transmission shift point failed and caused the vehicle to shift gears incorrectly and causes the vehicle to jerk and stall. The contact also stated that the power steering…

Received Feb 19, 2021 · NHTSA complaint 11396948

While driving through an intersection car shut off. This loss of power while driving has happened several times over the last few months. I called chevy dealership today and was notified ignition switch was already repaired previously and that i may be charged a diagnostic fee if i bring the car in…

Received Oct 8, 2020 · NHTSA complaint 11363362

TL* THE CONTACT OWNS A 2005 CHEVROLET COBALT. WHILE DRIVING AT ANY SPEED, THE POWER STEERING SEIZED. THE CONTACT HAD TO USE EXCESSIVE STRENGTH TO TURN THE VEHICLE. THE VEHICLE ALSO LOST FUEL. THE FAILURES OCCURRED WITHOUT WARNING. THE VEHICLE ALSO HESITATED AND JERKED VIOLENTLY, AND "FAULTY POWER…

Received Aug 8, 2019 · NHTSA complaint 11242483
Chevrolet Cobalt
2005-2007 Chevrolet Cobalt photographed in USA.. Representative photo; appearance varies by model year. Photo: IFCAR, Public domain, via Wikimedia Commons.

Frequently asked questions

Do all 2005 Chevrolet Cobalts have power train problems?

No. NHTSA has 99 owner complaints about power train for the 2005 Chevrolet Cobalt (6% of the 1,649 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2005 Chevrolet Cobalt power train?

No recall currently lists power train for this vehicle.

At what mileage do power train problems start?

The median reported mileage is 65,000 miles: half of the reports with a mileage came before that.

What do owners say about power train problems on the 2005 Chevrolet Cobalt?

The most frequent phrase is “traction control”, in 11 of 99 complaints, followed by “transmission shift” (6).

Other 2005 Chevrolet Cobalt problems

See all 2005 Chevrolet Cobalt problems or power train problems across all Cobalt years.