GMT900 (3rd gen) 2007–2013
Driver's side, under the dashboard above the brake pedal and to the left of the steering column. No cover — exposed and directly accessible. Standard 16-pin OBD-II connector.
Chevrolet Silverado 1500 OBD port location
Four generations, 1999–2024. Pick yours.
2019–2024
T1XX (5th gen)
Illustration — use it to know where to look.
Location
Left-hand-drive US trucks: driver's-side footwell, under the lower edge of the dash directly above where your feet rest, just left of the brake pedal and below the kick-panel/interior fuse block. Standard 16-pin DLC, faces down, no cover. Same position across all trims and across both the 2019–2022.0 (Global A) and 2022.5+ (Global B) builds.
Also on this Silverado 1500
- KeysSmart key · Transponder
- Tools confirmed5
- Transponder chipSubscribers
- Programming procedureSubscribers
2014–2018
GMTK2
Illustration — use it to know where to look.
Location
Under the driver's side dashboard, below and to the left of the steering column. No cover — accessible without removing any trim. Standard 16-pin OBD-II connector.
Also on this Silverado 1500
- KeysRemote head key · Transponder
- Tools confirmed7
- Transponder chipSubscribers
- Programming procedureSubscribers
GMT800 1999–2007
LHD (US market only): under the lower edge of the dash on the driver's side, just left of the steering column, facing down into the driver's footwell above the pedals. On 1999-2002 trucks it sits on the left lower dash directly below the column. On 2003-2006 and 2007 Classic trucks (revised dash) it sits at the lower left of the dash next to the end-of-dash fuse block and the BCM connectors. Same position on regular, extended and crew cab and on all trims, including Sierra Denali.
Questions
Chevrolet Silverado 1500 OBD questions
T1XX (2019–2024): Left-hand-drive US trucks: driver's-side footwell, under the lower edge of the dash directly above where your feet rest, just left of the brake pedal and below the kick-panel/interior fuse block. GMTK2 (2014–2018): Under the driver's side dashboard, below and to the left of the steering column. GMT900 (2007–2013): Driver's side, under the dashboard above the brake pedal and to the left of the steering column. GMT800 (1999–2007): LHD (US market only): under the lower edge of the dash on the driver's side, just left of the steering column, facing down into the driver's footwell above the pedals.
Other Chevrolets
Found the port. Now program the key.
Step-by-step add-key and all-keys-lost procedures for every Silverado 1500, which of your tools will do it, and what catches people out.
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