🚗 AutoDefect IQ

2003 Gmc Sierra 1500 problems, complaints & recalls

Most-reported problem areas: Service Brakes (53) · Electrical System: Instrument Cluster/Panel (31) · Service Brakes, Hydraulic (29)

🧭 Reliability snapshot

93 /100
✓ Typical or better for this model

Compared against other Gmc Sierra 1500 model years — complaint volume vs the model's median year, recalls and severity. How we score →

🛣️ Complaints by mileage

<25k miles: 9 complaints <25k 25–50k miles: 26 complaints 25–50k 50–75k miles: 44 complaints 44 50–75k 75–100k miles: 38 complaints 75–100k 100–125k miles: 22 complaints 100–125k 125–150k miles: 10 complaints 125–150k 150k+ miles: 13 complaints 150k+

162 NHTSA complaints that reported an odometer reading.

180
Complaints
0
Recalls
181
Service bulletins
13
Crashes reported
4
Fires reported
0
Deaths

Safety recalls (0)

No recalls on record for this model year (campaigns announced since 2010).

Service bulletins (181)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Unknown Or Other 2025-07-18 · PIP5601C · Service Bulletin/Repair Instructions

this pi communicates the requirement to provide a pico file to receive diagnostic assistance from tac.

Unknown Or Other 2025-03-28 · 23-NA-001 · Service Bulletin/Repair Instructions

this service bulletin provides information for dealers/technicians on onstar module 2g sunset information.

Unknown Or Other 2025-02-20 · PIP5358D · Service Bulletin/Repair Instructions

this preliminary information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. technician should get record a sound clip or take a video of the noise for assessment by engineering. technician will need to

Engine 2024-12-18 · 03-06-01-023I · Service Bulletin/Repair Instructions

this service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

Electrical System 2024-10-25 · PIP4723J · Service Bulletin/Repair Instructions

this preliminary information communicates to the dealer the process for downloading or updating operating software for the tire pressure monitor, active fuel injector tester, multi media tester, pico scope, gr8 starting/charging tester  and vehicle data recorder tools, giving website address and ste

Engine 2024-10-07 · 03-06-01-023H · Service Bulletin/Repair Instructions

this service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.

Showing the 6 most recent of 181 bulletins. Search all of them free at nhtsa.gov.

What owners report

2023-06-11 · Unknown Or Other

“an accident has not occurred yet, but it something i'm concerned deeply about. awhile back there was a recall on the instrument cluster of the gmc sierra 1500 (possibly othets on the list, im sure). i did wind up having the cluster replaced, there didn't seem to be any issues at the time. now...the replacement cluster has gone haywire. i notice no …”

2019-04-20 · Service Brakes · 90,000 mi

“hydraulic brake lines corroded causing leaks and brake failure…”

2019-02-02 · Service Brakes · 76,000 mi

“76000 miles; issue ongoing beginning in november 2018 on dry pavement at low speed (under 10 mph) braking is compromised by abs system engagement issue. below 10 mph, the abs system engages causing dry pavement braking to be double or triple the normal distance to stop prior to the abs issue. this is a safety issue since abs system pulsing of the…”

2018-07-08 · Service Brakes · 203,000 mi · 💥 crash

“while driving approximately 35 mph in town, the vehicle in front of me signaled to make a left hand turn. i began to slow down the vehicle and then i lost all brake pressure. i was unable to stop the truck to avoid an accident due to complete brake failure! there were no previous lights or warning signals notifying of a brake problem prior to this…”

2018-06-05 · Service Brakes · 127,600 mi

“tl* the contact owns a 2003 gmc sierra 1500. while driving approximately 15 mph in a parking lot, the contact slammed on the brake pedal to avoid another vehicle that abruptly pulled in front of his vehicle. the brake pedal traveled to the floor without stopping the vehicle immediately. there were no warning indicators illuminated. the dealer was n…”

2018-04-30 · Service Brakes · 82,000 mi

“loss of brakes due to rusted through brake lines. while pulling a trailer with pontoon boat, all of a sudden when stopping i suddenly had no brakes. just came off the freeway but was going slow when the failure occurred. need to replace now. also, rusted through power steering lines. already replaced. also, rusted trans cooler lines. will need to…”

2017-11-30 · Engine And Engine Cooling:exhaust System:manifold/Header/Muffler/Tail Pipe · 80,000 mi

“tl* the contact owns a 2003 gmc sierra 1500. when the vehicle was started, exhaust fumes entered the vehicle. there were no warning indicators illuminated. the vehicle was taken to john paul's buick gmc (3615 s 108th st, greenfield, wi 53228 (414) 482-6246) where it was diagnosed that there was a fractured exhaust manifold gasket. the vehicle was n…”

2017-06-13 · Engine · 46,000 mi

“my 2003 gmc sierra 1500 presently has 67,631 miles on it. with about 46,000 miles on my truck at the end of 2011, i noticed low coolant, but could not find a noticeable leak. i continued to add coolant, but could never find the leak. while having my oil changed in june 2016, the dealer (where vehicle had been purchased and serviced) said coolant…”

2017-06-05 · Service Brakes · 117,000 mi

“tl* the contact owns a 2003 gmc sierra 1500. the contact observed an abnormal sound from the rear brakes without warning. the contact took the vehicle to the local dealer (betten baker gmc located at 749 w main st, lowell, mi, 49331) where it was diagnosed that the rear brakes had failed. the vehicle was repaired. two weeks later, the contact obse…”

2017-01-08 · Service Brakes · 180,000 mi

“my truck hadn't been driven for a couple of weeks, but there was no indication of anything amiss the last time i drove it. the truck is parked at the top of a approx. 40ft. long driveway that is moderately steep. i started the truck and slowly began backing down the driveway and the brake pedal went all the way to the floor. it flew down the drivew…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Gmc Sierra 1500 years