No complaints are listed for the 2006 GMC Sierra Classic. Zero is not confirmed in this build. See the source and coverage notes below.
Data build 2026-10-09.
NHTSA lists this vehicle as GMC SIERRA CLASSIC.
Complaints per 100k sold unavailable. No sales source is available for this record.
Model-generated complaint tags: No complaints are listed for tagging.
See new recalls and investigations this week.
0 recalls.
0 investigations; 0 open.
17 manufacturer communications.
| System | Count |
|---|---|
| ENGINE AND ENGINE COOLING | 7 |
| ELECTRICAL SYSTEM | 3 |
| POWER TRAIN | 3 |
| STEERING | 2 |
| EQUIPMENT | 1 |
| FUEL SYSTEM, GASOLINE | 1 |
| SEAT BELTS | 1 |
| SEATS | 1 |
Date: 2015-06-01. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING, POWER TRAIN.
GENERAL 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 (INCL. SATURNS). *PE UPDATED 11/5/10. *PE UPDATED 4/4/11. *PE UPDATED 2/3/16. *PE
Date: 2014-07-01. Type: Service Bulletin/Repair Instructions. Systems: STEERING, TIRES.
GENERAL MOTORS: DIAGNOSING POWER STEERING CONCERNS. IN RARE CASES, CUSTOMERS MAY COMMENT ON A LACK OF STEERING ASSIST WHEN STOPPED OR DURING PARKING LOT TYPE OF MANEUVERS. *JS UPDATED 09/02/14*LJ
Date: 2013-10-01. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CHEVROLET/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 11/26/12. *PE UPDATED 12/4/2013 *JS
Date: 2012-10-29. Type: Service Bulletin/Repair Instructions. Systems: SUSPENSION, WHEELS.
This Preliminary Information communication provides information to the technician about vehicles that have grease leaking from front hub bearings. Technician should not replace the bearing for grease purge. Technician should be advised to not clean the purged grease from the area immediately on or a
Date: 2012-04-01. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.
GM: ON SOME TRUCK MODELS THERE IS SOME FRAME CORROSION. *RM UPDATED ON 5/2/2012. *KB
Date: 2012-04-01. Type: Service Bulletin/Repair Instructions. Systems: EQUIPMENT.
BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE: IF BLOWER MOTOR IS SET TO ANY SPEED POSITION AND WHEN KEY IS OFF, IT BECOMES INOPERATIVE AND MAY STILL BE INOPERATIVE AFTER KEY IS TURNED ON. *PE UPDATED ON 5/1/12. *JS
Date: 2011-12-01. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
GM/HUMMER/SAAB: INTERMITTENT ILLUMINATION OF MIL, SERVICE LAMPS, SERVICE MESSAGES, OR DTC SET BY VARIOUS CONTROL MODULES-DIAGNOSING AND REPAIRING FRETTING CORROSION (DISCONNECT AFFECTED CONNECTOR AND APPLY DIELECTRIC LUBRICANT). *PE UPDATED 3/26/10. *PE UPDATED 6/6/11. *PE UPDATED 3/1
Date: 2011-11-01. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CADILLAC/CHEVROLET/GMC/HUMMER: SOME SUVS AND TRUCKS ARE EXHIBITING A CONDITION WHERE BY GRINDING/RATCHETING TYPE NOISE COMING FROM AUTOMATIC TRANSMISSION WHEN SHIFTING INTO PARK WHILE IN 4WD LOW (4LO) RANGE. *PE
Date: 2011-10-01. Type: Service Bulletin/Repair Instructions. Systems: SEAT BELTS.
GM: SERVICE BULLETIN EXPLAINING WHEN THE SAFETY BELTS ARE SUPPOSED TO LOCK. *RM UPDATED 12/6/11. *PE
Date: 2011-05-01. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
GM: AN 'ENGINE POWER IS REDUCED' MESSAGE APPEARS AND THERE IS A STORED TROUBLE CODE. THIS IS CAUSED BY WEAR OF THE INTERNAL FUEL INJECTOR. *RM
None listed.
| NHTSA model label | Complaints |
|---|---|
| SIERRA CLASSIC | 0 |
The free rate-limited demo needs no key.
curl "https://api.theusedcarindex.com/v1/demo/vehicle_risk?make=GMC&model=Sierra+Classic&year=2006"Paid endpoint: https://api.theusedcarindex.com/v1/vehicle_risk. MCP endpoint: https://api.theusedcarindex.com/mcp.