2003 GMC Sierra 1500 HD Transmission and drivetrain Problems
- Complaints
- 1about this part
- Share
- 6%of 16 total for the year
- Median mileage
- 120,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the transmission and drivetrain of the 2003 GMC Sierra 1500 HD, 6% of the 16 complaints for this model year. Where a mileage was given, the median is 120,000 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.
“The contact owns a 2003 Gmc SIERRA 1500 HD. The contact stated that while entering the driveway at various speeds, the vehicle failed to respond to deceleration attempts. The vehicle was not diagnosed or repaired. The manufacturer was contacted about the failure. The failure mileage was 120,000.”
NHTSA complaint #10551927, filed 2013-11, 120,000 milesRelated service bulletins
- 11006421Jul 24, 2024GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or…
- 10249579Jan 12, 2024This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- 10242843Sep 1, 2023The 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…
- 10222770Sep 16, 2022This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
- 10220319Sep 1, 2022This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the…
- 10201098Dec 1, 2015OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
- 10190503Dec 1, 2015OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
Transmission and drivetrain: other model years
Other parts of the 2003 GMC Sierra 1500 HD
6 complaintsElectrical system
4 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsEngine
2 complaintsEngine cooling
1 complaintsEquipment
1 complaintsSteering
1 complaints
← All problems reported for the 2003 GMC Sierra 1500 HD
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