2012 GMC Sierra Engine cooling Problems
- Complaints
- 1about this part
- Share
- 3%of 29 total for the year
- Median mileage
- 1,200miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2012 GMC Sierra, 3% of the 29 complaints for this model year. Where a mileage was given, the median is 1,200 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.
“The contact owns a 2012 Gmc Sierra. The contact stated that whenever the vehicle was idling the contact noticed that the vehicle would vibrate without warning. The vehicle was taken to the dealer where the contact was informed that the failure could not be repaired. The current and the failure mileages were 1,200. ..updated 04/16/12 updated 05/07/12”
NHTSA complaint #10451290, filed 2012-03, 1,200 milesRelated service bulletins
- 10113792Aug 4, 2015This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage.
- 10059084Aug 1, 2015Gmc/chevrolet: to assist engineering product feedback, parts for duramax diesel engine, has been placed on restrictions, by product quality center (pqc). Model 2010-16 duramax.
- 10043893Aug 1, 2015Gm: gauge fluctuation, various dtcs, and the wiring harness may be chafing/rubbing on a/c line. *js updated 5/22/12. *js updated 2/5/16.
- 10113703Jun 23, 2015This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL)…
- 10113658May 22, 2015This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
- 10113657May 21, 2015This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage.
- 10113738Mar 6, 2015This informational bulletin provides technicians with diagnostic tips for preventing oil leaks after changing oil and filter.
- 10114354Jan 21, 2015This Preliminary Information communication provides information to the technician that some vehicles may have a Service Engine Soon lamp, engine misfire on cylinder 1, 4, 6, or 7…
- 10112228Sep 15, 2014This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0…
- 10056354Sep 1, 2014Gmc/chevrolet: engines, with egr system, has leakage from egr cooler engine coolant into the combustion chamber. Model 2002-15 silverado, sierra, 2004-09 kodiak c4500-c5500…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2015 | 1 | 2% |
| 2012 | 1 | 3% |
| 2011 | 1 | 2% |
| 2010 | 1 | 3% |
| 2009 | 1 | 3% |
| 2007 | 2 | 3% |
| 2006 | 1 | 2% |
| 2005 | 9 | 8% |
| 2004 | 4 | 2% |
| 2003 | 9 | 4% |
| 2002 | 22 | 9% |
| 2001 | 22 | 8% |
| 2000 | 21 | 5% |
| 1999 | 17 | 3% |
| 1998 | 11 | 6% |
| 1997 | 15 | 6% |
| 1996 | 11 | 4% |
| 1995 | 6 | 2% |
| 1994 | 6 | 3% |
| 1993 | 7 | 10% |
| 1992 | 1 | 3% |
| 1990 | 1 | 6% |
| 1989 | 1 | 6% |
Other parts of the 2012 GMC Sierra
7 complaintsBody and structure
6 complaintsEngine
5 complaintsAir bags
4 complaintsBrakes
4 complaintsOther or unknown
3 complaintsSteering
3 complaintsElectronic stability control
2 complaintsSuspension
2 complaintsTransmission and drivetrain
2 complaintsVehicle speed control
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaints
← All problems reported for the 2012 GMC Sierra
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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