Question about 1996 Ford F350 Crew Cab

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Looking for the Power Control Module, PCM, on 1996 F350 7.3L

I am trying to find where the PCM is on this truck and how to replace it.

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  • jcherry9099 Jan 31, 2009

    Sorry, I forgot to post that I fixed the problem. I just had a wire that disconnected sitting right on top of my transmission. My upper ball joint went bad and my brakes all at the same time, when my truck hit a bump it would shake violently and I think that is what made it shake loose.



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Wire shorting out from to aircompressureto the battery on my sevice truck Icut it off now it will not start

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The PCM will be to the right side of the steering column where it comes through the firewall as you look under the hood. there will be 2 wire looms, one is the back side of the fuse box and the other is the PCM.

Posted on Jan 30, 2009


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Where the ecm/pcm located on a chevy avalanche 2002

The pcm is just under the battery on the left side of the engine compartment. The PCM need to be calibrated to the truck and motor. If you just put it in the motor may not start. Read over the information I have attached before you do this. Ken Powertrain Control Module Replacement Service of the powertrain control module (PCM) should consist of either replacement of the PCM or electrically erasable programmable read only memory (EEPROM) programming. If diagnostic procedures call for the PCM to be replaced, the replacement PCM should be checked to ensure that the correct part is being used. If the correct part is being used, remove the faulty PCM and install the new service PCM.
Important: To prevent internal PCM damage, the ignition must be OFF when disconnecting or reconnecting power to the PCM. For example, when working with a battery cable, PCM pigtail, PCM fuse, or jumper cables. • Remove any debris from the PCM connector surfaces before servicing the PCM. Inspect the PCM module connector gaskets when diagnosing or replacing the PCM. Ensure that the gaskets are installed correctly. The gaskets prevent contaminant intrusion into the PCM. • The replacement PCM must be programmed.

Removal Procedure

    Important: It is necessary to record the remaining engine oil life. If the replacement module is not programed with the remaining engine oil life, the engine oil life will default to 100%. If the replacement module is not programmed with the remaining engine oil life, the engine oil will need to be changed at 5000 km (3,000 mi) from the last engine oil change.
  1. Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.

Nov 30, 2016 | Cars & Trucks

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Test alternator inside pcm

if the regulator is inside the ECM/PCM then it will require a special tester
try replacing the pcm with a working unit to see if that fixes the fault

Jun 01, 2016 | 1999 Dodge Durango

3 Answers

No communication with pcm on 95 buick lesabre 3.8 have replaced pcm checked powers and grounds any ideas would be appreciated

What did you replace with used or new pcm ? has to be programed . Important:: Replacement PCM must be programmed. Refer to Powertrain Control Module Replacement/Programming
In 95 they used UART serial data pin 9 at DLC a tan wire.No class two yet.

Jan 23, 2015 | 1995 Buick LeSabre

1 Answer

Why does my pcm fuse keep blowing on my ford f150

Check the Powerbox for a group of Relays and try replacing the PCM Relay.

Mar 15, 2014 | 2004 Ford F150

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Reprogram computer f350

you need scan tool to reprogram new PCM and keys to PCM before vechicle will start the PCM dont recognize keys.if you used factory scan tool try reprogramm keys again.

Sep 20, 2013 | Ford F-350 Cars & Trucks

1 Answer

2011 f350 pcm problems

PCM is probably under the 7/70,000 EPA emission warranty and can be replaced for free if it is the PCM. If it is under 7 years, 70,000 miles and the PCM is bad, then the EPA warranty kicks in. The average dealership will try to scam out of this one, but if you stick to your guns, you can get it replaced. If they refuse, ask the question "Can you prove that this bad PCM is not causing pollution when the engine is not running correctly?". Most cannot prove it so you can get it replaced.

Jan 14, 2013 | 2001 Ford F350 Super Duty SuperCab

1 Answer

95 Dodge Dakota 3.9 , voltage regulator is over chargeing battery.

Hate to say it, but probably a faulty PCM.
The regulator is directly controlled by the PCM on most models.
You might try a used PCM to make sure, or exchange the rebuilt under warranty.

Jul 01, 2012 | 1995 Dodge Dakota

1 Answer

2005 GMC Yukon XL will not start. Took starter off and had it tested. The starter is good. However, the PCM fuse is blowing when attempting to start truck or turning turning the switch to start the tr

There is a dead short to ground on that circuit . There are videos on youtube showing how to find an fix a short . Do you know how to do automotive electrical testing ? How to find automotive electrical shorts Look at the wiring harness under the hood for rubbed through wire's , harness going to the PCM , also find out what if any thing else is powered by that fuse . Which PCM fuse ? There are a few PCM 1 , PCM B , etc...

PCM 1 Fuse
Powertrain Control Module (PCM), Mass Air Flow (MAF) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid, Fuel Composition Sensor, Secondary Fuel Pump Relay

PCM B Fuse
Powertrain Control Module (PCM)

Any one of these fuse will cause the engine not to crank . The PCM energizes the starter relay which supply's power to the starter .

Mar 11, 2017 | 2005 GMC Yukon XL

2 Answers

I have to replace thermostat and the PCM

Thats WAYYYYYYY too much money!!!!! I changed the PCM and thermostat on my Impala myself for about $125. Even if you had someone install it for you it shouldn't be much more than 2 hours labor. I'm not sure what car you own but the PCM shouldn't run that much.

May 01, 2009 | 2003 Cadillac CTS

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