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What is pcm on chevy - 1999 Chevrolet Silverado 1500

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The letters PCM mean Powertrain Controls Management. This does what the letters say and controls the engine operation and trans shifts.

Posted on Dec 08, 2012

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Posted on Jan 02, 2017

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Hi it is me again with the 2007 chevy tahoe i change the fuel pump control module and the vehicle will not start when i turn on the key the check light staying on code p0602 what causing that?


P0602 CHEVROLET P0602 CHEVROLET - Powertrain Control Module Programming Error Repair Importance Level: 3/3 Repair Difficulty Level: 3/3 alt="What does this mean?"> Share alt="Share on Facebook"> alt="Share on Twitter"> alt="Share on Linkedin"> alt="Share on Google Plus"> alt="AutoCodes.com"> alt="Print Version"> alt="PDF Print"> alt="Share Code"> 0 alt="P0602 Chevrolet Comments"> ' Add Comment alt="Close Selection"> http://www.autocodes.com/p0602_chevrolet.html Forum Code Possible causes - Powertrain Control Module (PCM) not programed
- PCM program
- Faulty PCM
- Wrong PCM
alt="What does this mean?"> What does this mean? Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P0602 Chevrolet Description This diagnostic trouble code (DTC) indicates that the Powertrain Control Module (PCM) internal EEPROM is not flashed with any vehicle software. If you install a service PCM and do not flash the EEPROM, the engine will not run. This DTC indicates that an un-flashed PCM causes the engine cranks but will not run situation.


Read more: http://www.autocodes.com/p0602_chevrolet.html#ixzz3xAfHr3TX

and a video


2006 08 Chevy Cobalt Transmission Control Module FIX Easy BCM Problem...

Jan 13, 2016 | Cars & Trucks

1 Answer

Where is PCM of 2002 Chevy Malibu?


The PCM is located just next to the 16 pin OBD2 diagnostic connector under the driver's side dash. The PCM is perpendicular to the firewall with the electrical connector facing downward.

Jan 01, 2016 | 2002 Chevrolet Malibu

2 Answers

Where on chevy cavalier 2004 is pcm fuse


two fuses one on instrument panel fuse box the other on engine comparment fuse box

Oct 21, 2014 | 2004 Chevrolet Cavalier

1 Answer

Failed pcm causes lifter and cam failure


First I think you need to take your car to a different shop and get a second opinion. It's hard for me to see a cam failure unless you abuse your vehicle.

Sep 27, 2017 | GMC Sierra 1500 Cars & Trucks

1 Answer

Scanned pcm and found p1114,p0300 on chevy


The P1114 is telling you there is an intermittent problem with the temp sensor circuit. The P0300 is random misfire and probably resulting from over rich fuel mixtures triggered by the temp sensor problems. The problem could be the sensor itself or a wiring issue between the sensor and the computer.

Aug 17, 2013 | Chevrolet Colorado Cars & Trucks

1 Answer

1990 Chevy Carprice won't start no check engine


check pcm fuse sound like could be pcm problems have vechicle code scan look for code 51 which is faulty prom mem cal or ECM PCM

May 21, 2013 | Cars & Trucks

1 Answer

I have a 95 Chevy blazer s10. IM have a fuel problem. The fuel pump.in running and getting gas,to the fuel rail if I go out to start it for the first time it starts for about a min dies if I take the...


Is your "Service Engine Soon" light on?

Have you scanned for fault codes?

I would suspect low fuel rail pressure...caused by a tired fuel pump.

Before considering a faulty PCM see here for more information and diagnostic tips:

Courtesy of 2CARPROS -


Have 1995 Chevy Blazer V6 4 3 Vortec and It Ran Ok but We Had

Aug 31, 2017 | Cars & Trucks

1 Answer

Chevy Cavalier 91 - Dashboard symbol "check" lite


Some fault code is stored in the PCM (computer); to know what is the problem, I suggest scanned the PCM with some scanner reader codes. Autozone or AutoShop with this tools sometimes make this for free.

Hope this helps.

Jun 29, 2011 | 1991 Chevrolet Cavalier

2 Answers

What is the pcm in a 2004 chevy trailblazer? and how I can fix it.


PCM is what control's all of your engine sensor's, there's no repair for the PCM, but to replace.

Nov 09, 2010 | 2004 Chevrolet TrailBlazer

3 Answers

PCM module, ECM module 1996 Chevy Suburban K model


Powertrain Control Module = under right side of dash, near blower motor.
Engine Control Module = same as above
Vehicle Control Module = same as above

All Suburban vehicles are equipped with only one of these choices. Good luck.

Oct 04, 2008 | 1996 Chevrolet Suburban

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