Question about 2003 Chevrolet Silverado 1500

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Where can I get a powertrain control module for a 2003 silverado outside the dealership?

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Posted on Jun 04, 2010


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Service 4wd light is on. Lights on selector switch flash when key on but go out.

You may need to bring it to the chevrolet dealership the control module may have to be calibrated. I would call the dealership and ask them if the control module needs calibration...

Mar 15, 2015 | 1999 Chevrolet Silverado 1500

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The Powertrain Control Module (PCM) detects the engine operating and driving conditions, along with the exhaust gas oxygen content. Various switches, sensors and components provide the PCM with information which allows it to control the air/fuel ratio (mixture), emissions and drivability.

To get to the PCM you would have to remove the parking brake and shift consoles and then the gearshift knob and and boot...I know, GREAT place to put a part needing to be serviced!

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2006 duramax TCM location?

the TCM (transmission control module) is part of PCM (powertrain control module)

Nov 05, 2013 | 2002 Chevrolet Silverado

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Location of ECM

Hi James:
The PCM (Powertrain Control Module) also called ECM (Engine Control Module) is located on a bracket on the side of the engine compartment...


Fig. Powertrain control module (1), radiator support (2), left frame rail (3), wiring harness connectors (4) (zooming link)

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

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Dec 21, 2011 | 2003 Chevrolet Silverado 2500HD

1 Answer

Where is the pcm located on a 2003 chevy trailblazer

5.3L Engine

The Powertrain Control Module (PCM) is located on the left front frame rail.

4.2L Engine

The Powertrain Control Module (PCM) is located in the engine compartment. It is mounted on the left side of the engine.

Nov 28, 2011 | 2003 Chevrolet TrailBlazer

2 Answers

Gauges going wacko 2003 chevy silverado 1500hd

I would buy a gauge cluster of Ebay and do a swap. If this doesn't fix it then then follow the cable back to a module. Either the cable of the module you follow it back to is defective.

I hope this helps.

Sep 18, 2011 | 2003 Chevrolet Silverado 2500HD

1 Answer

Where is the powertrain module located on a 2003 silverado

I believe it is mounted on the left frame rail of the radiator support.

Oct 18, 2010 | 2003 Chevrolet Silverado 2500HD

3 Answers

Can not get windshield wipers to turn off on 2003 Silverado 1500. They will turn on high speed when switch is moved but will not quit working in off position.

You have a bad wiper module.Just go under the hood and remove the connector at the wiper motor and remove the cover.You need a 20 torx bit.Pry the module out and replace it per the instructions in the new module box.You can get this part at the dealership.You will need to add sealer to the edges of the cover to keep water out.Hope this helps.Good luck.

Mar 23, 2010 | 2003 Chevrolet Silverado 1500

1 Answer

2003 silverodo odometer scrolls in different languages

I have found alot of times when a setting does that there is a powertrain control module {pcm} update that is avalible but the problem is you must take it to the dealership to get done and they will charge an hour labor time...

Mar 26, 2009 | 2003 Chevrolet Silverado 1500

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