2008 GMC Sierra Transmission and drivetrain Problems
- Complaints
- 2about this part
- Share
- 3%of 68 total for the year
- Median mileage
- 71,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the transmission and drivetrain of the 2008 GMC Sierra, 3% of the 68 complaints for this model year. Where a mileage was given, the median is 71,500 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.
“While driving check engine light, service stabilitrac and service traction control on information center, followed by a reduced power notification. This clears and occurs without warning rendering the mv near useless.”
NHTSA complaint #10672892, filed 2015-01, 74,300 miles“Transmission lines leaking around crimped part of line. Researching this issue online,many Gmc/GM vehicles are having this issue. There should be an effort by GM to install better lines.”
NHTSA complaint #10489497, filed 2012-12, 68,700 milesRelated service bulletins
- 10028831Jun 1, 2015General motors: intermittent mil/ses/ dtc p2138 with reduced engine power (repair instrument panel (ip) to body harness connector). 2005-08 gm passengers cars/light duty trucks…
- 10113664May 29, 2015This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J-45096 TransFlow®.
- 10057959Mar 1, 2015This tsb comtains an owner notification letter . Select document search button below. General motors: 2008 chevrolet silverado, sierra hd diesel: some models are experiencing…
- 10043845Feb 1, 2014Gm: slips in reverse or third, delayed reverse or drive engagement, dtc p0776, p2715, p2723, harsh 2-3 shifts (inspect 1-2-3-/ 3-5-r housing and pump seal rings). This condition…
- 10112036Jan 28, 2014This Preliminary Information communication provides information to the technician about vehicles that have a groan, growl, or moan coming from the vehicle when operating the…
- 10112030Jan 24, 2014This Preliminary Information communication provides information to the technician about vehicles that have a groan, growl, or moan coming from the vehicle when operating the…
- 10037409Nov 1, 2013Gm: there are transmission problems that include trouble shifting and noises. There may be serpentine belt problems causing it. *rm updated on 06/27/2011. *kb updated 3/12/12…
- 10112437Oct 31, 2013This Preliminary Information communication provides information to the technician about vehicles that have a random bump, chuggle, or fishbite sensation when crowding the…
- 10112401Oct 9, 2013This Preliminary Information communication provides information to the technician about vehicles that have not engagement into drive, delayed, no engagement into reverse, and or…
- 10036204Oct 1, 2013Chevrolet/gmc: delayed or no drive and delayed or no reverse with dtc's, range inhibit. Model years 2001-2013. *pe updated on 06/08/2011. *kb updated on 06/16/2011. *kb updated…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2017 | 23 | 38% |
| 2015 | 6 | 11% |
| 2014 | 10 | 10% |
| 2013 | 5 | 13% |
| 2012 | 2 | 7% |
| 2011 | 6 | 14% |
| 2010 | 1 | 3% |
| 2008 | 2 | 3% |
| 2007 | 4 | 7% |
| 2006 | 2 | 4% |
| 2005 | 11 | 9% |
| 2004 | 18 | 10% |
| 2003 | 29 | 14% |
| 2002 | 18 | 7% |
| 2001 | 14 | 5% |
| 2000 | 26 | 6% |
| 1999 | 37 | 6% |
| 1998 | 15 | 8% |
| 1997 | 28 | 12% |
| 1996 | 24 | 10% |
| 1995 | 12 | 5% |
| 1994 | 6 | 3% |
| 1993 | 10 | 14% |
| 1992 | 2 | 7% |
| 1990 | 2 | 11% |
| 1988 | 1 | 17% |
Other parts of the 2008 GMC Sierra
29 complaintsElectrical system
15 complaintsBody and structure
12 complaintsLatches, locks and linkages
11 complaintsOther or unknown
3 complaintsBrakes
2 complaintsElectronic stability control
2 complaintsFuel system
2 complaintsSteering
2 complaintsEngine
1 complaintsSuspension
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2008 GMC Sierra
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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