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WHAT DOES PCM MEAN - 2006 Pontiac Grand Prix

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Powertrain Control Module

It's basically your car's brain.

Posted on Feb 09, 2014

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Posted on Jan 02, 2017

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How do I replace the shift control pack in transmission of 2001 ford Taurus SES?


Not sure what you mean. This may help. This is on the firewall, above the engine near the top center. Remember; for successful replacement, the same calibration code on the PCM must be used! PCM does control Trans but there are many sensors that feed this processor. Do you have a better description?

Powertrain Control Module (PCM) Removal and Installation
  1. Disconnect the battery ground cable.
  1. Remove the powertrain control module (PCM) electrical connector.
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  1. Remove the PCM.
    • Remove the stud bolts.
    • Remove the cover and the PCM.
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Sep 18, 2014 | 2001 Ford Taurus

1 Answer

What does no bus means when it showing in your automobile display in a chrysler 300 year 2006


"No Bus" means the data cable going to the (PCM) computer is unplugged, or the PCM has failed.
Maybe a bad crank or cam sensor could be the reason.
Try wriggling the PCM / wiring
Disconnect the battery negative then unplug and plug back in the PCM connectors. Reconnect battery and run engine.

Aug 06, 2014 | 2006 Chrysler 300

2 Answers

Code po 441 and po 446 what does these mean 2000 toyota tundra


A code P0441 could mean one or more of the following has happened:

Bad vacuum switch Broken or damaged EVAP line

canister Open in PCM purge command circuit

Open short in Voltage feed circuit to Purge Solenoid

Faulty purge solenoid

Restriction in EVAP solenoid, line or canister

Corrosion or resistance in purge connector

Bad PCM




A code P0446 could mean one or more of the following has happened:

Faulty vent valve

Open short or excessive resistance on Vent valve control circuit Blockage of vent valve

Bad PCM

Jul 03, 2014 | 2000 Toyota Tundra

1 Answer

What dose it mean when engin light falshes contstantly


Flashing Diag Code P0122
TP circuit low input
DETECTION CONDITION
• If PCM detects TP sensor voltage at PCM terminal 89 below 0.10 V after engine start, PCM determines
that TP circuit has a malfunction.
POSSIBLE CAUSE
• TP sensor malfunction
• Connector or terminal malfunction
• Open circuit between TP sensor terminal C and PCM terminal 89
• Short to ground circuit between TP sensor terminal C and PCM terminal 89
• Open circuit between TP sensor terminal A and PCM terminal 90
• Short to ground circuit between TP sensor terminal A and PCM terminal 90
• PCM malfunction

Flashing Diag Code P0123
TP circuit high input

DETECTION CONDITION
• If PCM detects TP sensor voltage at PCM terminal 89 is above 4.77 V after engine start, PCM determines
that TP circuit has a malfunction.
POSSIBLE CAUSE
• TP sensor malfunction
• Connector or terminal malfunction
• Open circuit between TP sensor terminal B and PCM terminal 91
• Short to reference voltage (Vref) supply circuit between TP sensor terminal C and PCM terminal 89
• PCM malfunction

Jun 26, 2014 | 2000 Mazda Protege

1 Answer

Don't know where the fuse is located for the 4 wheel drive actuator on a 2004 Tracker!


2004. chevy tracker
yes, i have the FULL FSM.
actuator , you mean the front axle pump?
there is non, err, not directly
the PCM drives the pump direct, Page 9-a19(FSM)
pinsc51-2 pin 15, drives and pin 18 the PCM senses if it did.?
the pump is grounded, the PCM drives it on
the PCM has many rules for , not activating 4wd.
speed, load.,.RPM, etc.
and the switch is not on. C51-2,pin 11 is pcm 4wd switch input
and goes to 12v, for 4wd demand, then the PCM glow the lamp
and maybe turns on the pump.
post symptoms for better help.

Jan 04, 2014 | 1995 Geo Tracker

1 Answer

Whats a pcm for a 95 cadillac deville


PCM is the Powertrain Control Module. If you use the fan down button it will scroll through the different systems ACP ICP TCS etc. The PCM is the one you want to worry about though. Pushing the fan up button will select the pcm. Then it will give you options from there. The PCM controls ignition, shifting points, and a whole bunch of other related things.

Feb 03, 2013 | 1995 Cadillac DeVille

1 Answer

What does pcm mean on a 99 ford


(PCM) Powertain Control Module

Before PCM--the (EEC) Electronic Engine Control Processor

Other mfg use different terms

That is your main processor, people like to call a computer

There are several others, on most vehicles since 1996 on

Jun 09, 2012 | 1999 Ford Crown Victoria

1 Answer

Check engine light has been on for a long time. 4 diagnostic codes: PO128, PO315, PO604, PO62F I can't find what the codes mean.


p0128 is coolant temperature sensor below range, change sensor. p0604 is pcm random access mem ( ram error. it may mean the pcm has failed, have it checked out..

Aug 04, 2011 | 2007 Chevrolet Cobalt Coupe

1 Answer

What does it mean when my car goes into engine fail safe mode?


It mean that the PCM received a bad reading from one of the sensors
most common fix would be
Either a bad flash in the PCM or a bad PCM or a bad TPS
go to the dealer and have them fix it
only the dealer can flash your PCM
also have them check the throttle body
and be cairful when they get that code they have a tendency to just stall out

Jan 22, 2011 | 2006 Ford Expedition

3 Answers

What does PCM stand for?


PCM stands for Powertrain Control Modual. The "no bus" is a communication error between for insterment cluster & the PCM.

Aug 08, 2009 | 1999 Dodge Durango

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