2010 Chevrolet Avalanche Engine Problems
- Complaints
- 6about this part
- Share
- 5%of 111 total for the year
- Median mileage
- 71,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the engine of the 2010 Chevrolet Avalanche, 5% of the 111 complaints for this model year. Where a mileage was given, the median is 71,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Immediately upon starting my truck, while in park, the dashboard indicated the vehicle was in reduced engine power mode and the check engine light came on and the stabilitrak was disabled. The truck would not accelerate properly and would only drive approximately 25 MPH. This is the 5th time this has occurred on this vehicle. The dealership informed me that it is the accelerator pedal positioning sensor, which is the same issue it has had each of the previous 4 times time. …”
NHTSA complaint #10786336, filed 2015-10, 59,000 miles“I was driving on a bridge when the check engine light came on and the engine power reduced. The truck immediately dropped to below 30 MPH and I could not accelerate up the bridge and barely avoiding an accident, as this was in a heavy traffic area. I was able to get it to the dealership and are working on it now. This if the fifth time this has happened to my truck. My wife and I just sold our 2007 Chevrolet tahoe and the only reason was the engine power reduced error occurred on it seven times, three in month prior to selling it. …”
NHTSA complaint #10629336, filed 2014-08, 46,500 miles“After I purchase the car brand new in 2010 under my brother in law's name, I have probably fix the car 5 times for engine power reduce, stabilitrak and all every service lights at the dealer but it had happen again on highway again yesterday, saw that GM recall car on feb 13 for faulty ignition switch for losing power and its happening to chevy Avalanche too. One worst case was in 2011 driving to maryland at 12 midnight on highway the speed dropped to 30mph. Took it to dealer next day but it seams I loss power every year and have to fix it every year.”
NHTSA complaint #10569459, filed 2014-03, 100,000 miles“I was on vacation and had my Avalanche running while I packed it up to return home. After about 5 minutes of running idle, the check engine light came on and the display showed reduced engine power, service traction control, and service stabilitrak. This had happened to the truck three times before and each time they replaced the accelerator pedal positional sensor. (I also had a 2007 Chevrolet tahoe, and after having it repaired seven times for failing sensors and going into reduced engine power while on the highway three times we were forced to sell it). We are very familiar with this issue! …”
NHTSA complaint #10630027, filed 2014-09, 46,000 miles“Stabilitrac and traction control lights came on along with service both and the check engine light is on and sometimes flashes. Truck is idling very rough and seems to downshift hard from 2nd to 1st.”
NHTSA complaint #10936083, filed 2016-12, 108,200 milesRelated service bulletins
- 11026017Jun 5, 2025This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
- 11024485May 15, 2025The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the…
- 11012907Dec 18, 2024This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
- 11011205Oct 28, 2024This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
- 11010544Oct 7, 2024This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
- 11010490Oct 5, 2024This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
- 11009532Sep 27, 2024This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
- 11009531Sep 27, 2024This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
- 11009756Sep 17, 2024This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and…
- 11008906Aug 19, 2024This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2013 | 4 | 5% |
| 2012 | 3 | 8% |
| 2011 | 9 | 7% |
| 2010 | 6 | 5% |
| 2009 | 1 | 1% |
| 2008 | 15 | 6% |
| 2007 | 24 | 6% |
| 2006 | 1 | 9% |
| 2005 | 3 | 4% |
| 2004 | 1 | 1% |
| 2003 | 2 | 1% |
| 2002 | 3 | 1% |
Other parts of the 2010 Chevrolet Avalanche
53 complaintsOther or unknown
52 complaintsBody and structure
16 complaintsElectrical system
8 complaintsElectronic stability control
3 complaintsTransmission and drivetrain
3 complaintsVehicle speed control
3 complaintsBrakes
1 complaintsSuspension
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2010 Chevrolet Avalanche
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology