Subjects>Auto>Automotive Services

Where is the obd reader switch on a 2003 trailblazer?

Anonymous

∙ 14y ago

Updated: 7/27/2025

On a 2003 Chevrolet Trailblazer, the OBD (On-Board Diagnostics) reader port is located beneath the dashboard on the driver's side. It is typically found near the steering column, just above the brake pedal. You may need to remove a cover or panel to access the port.

AnswerBot

∙ 1mo ago

What else can I help you with?

Where is the obd switch for Jeep Compass 2008?

There is no OBD switch.

How do you get the check engine light reset after your 2003 trailblazer was jumped?

Have the on board diagnostics (OBD) reset by using an obd tester or go to a mechanic and have them clear the codes and reset it for you. Some places will do it for free, possibly a parts store also.

Can you use an obd-2 reader on a 05 Dakota?

Yes you can OBD 2 reader/scanner are the only thing that will work to get codes

Is obd used on a 94 Camry?

Yes you use a OBD 1 reader

How do I get the obd readout?

plug a obd 2 code reader into your car and activate it.

Where is the obd port on a 2008 Chevy Trailblazer?

It is under the dash on the driver side.

2003 GMC sierra check engine light BLINKING?

You need to rent / borrow / purchase an OBD II code reader to check the code.

How do you reset computer on 2003 Tahoe after replacing knock sensor?

You need an OBD-II code reader. Some parts stores can do it for free if you do not have this tool.

What code reader was used on a 1996 Thunderbird?

OBD I, but for the most part, you can use OBD II

How do you clear OBD codes on a 2004 Cadillac?

You need a OBD 2 scanner/reader to erase the codes

What is obd port?

Obd-on board diagnostic. The port is the plug the scan tool or code reader connects to.

What code reader works on a 86 Chevy s10?

A code reader that will work on the OBD I system.

Trending Questions

What tools do you need to change a tire? Where can one find reviews on Mounts and More's customer service? Safe drivers always yield the right-of-way to pedestrians even when they are violating the law. True or False? How do you get a warrenty replacement ratchet wrench for Stanley tools? Is autoglym product good for leather? Can you install laminate floor over ceramic tile? Where is Pluto located in the solar sytem? How do you avoid over heating your brakes on a steep downhill? Why does a 95 Mazda Millenia shut off when put in gear? What services does G Online offer? What does error code -24 mean? Where do you get a massage with hand relief in Lincoln? After brakes are bleed does the brake fluid need to be refilled? How much does a Lamborghini mechanic make? How do you now a bad starter? What causes a 5-speed to slip after in gear and smell like rubber burning? How many rpm does a starter turn? Does a 2007 grand vitara 2.0l petrol have a timing belt or chain? Why coupling are located near bearing? Are head gasket leaks expensive to repair?