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Powertrain control module no communication

I have no communication from my Powertrain Control Module, anyone know what I need to do. Replace or Reprogram? Where is it located, is is a different unit from the Engine Control Unit, the Body Control Unit, and the Transmission control unit. So many computer control units....

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1 Answer

You need a dealer or repair shop --with professional tools
& reference material,trouble charts, etc, to diagnose the issues

Posted on Nov 30, 2012

  • Matt Nov 30, 2012

    Thanks, I did call a dealer and was quoted 1200 dollars to swap in a new PCM. I wanted to thoroughly understand the procedure and process. Thanks for the input!!

  • Anonymous Nov 30, 2012

    First you never need a dealer to work on any vehicle Second you have no idea what if any repair is necessary until the problem is diagnosed & a solution is found What the dealer told you was pure nonsense You spoke to someone whom most likely doesn't even work on cars

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 39 Answers

SOURCE: changing out powertrain control module with identical used one

it depends on what vehicle it came off of. if it is off of the same vehicle you should be set but if it is off of a different vehicle it may not register with the ecm then you wil have to do a pcm relearn. but it should be really simple.

Posted on Mar 13, 2009

c17hydro
  • 2984 Answers

SOURCE: Location of powertrain control module on 01 PT Cruiser?

The PCM attaches to a bracket welded on the dash panel

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Posted on Oct 31, 2009

  • 46 Answers

SOURCE: engine light on.ran scanner code p0601 powertrain

MAY BE ABLE TO FLASH IT WITH NEW SOFTWARE AT
YOUR DEALER. OR WILL NEED TO REPLACE THE MODULE

Posted on May 20, 2010

Gozer
  • 435 Answers

SOURCE: 2004 Taurus SES with DOHC I need to replace PCM

It's located behing the lower kick panel on the passenger side.

Posted on Sep 18, 2011

mrcabbit
  • 49 Answers

SOURCE: P1627

take it to dealer

Posted on Sep 28, 2012

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1 Answer

Where is the hdm module on 2006 monte carlo ltz


HDM module ??????? No such module .
DTC U0100 00: Lost Communication With Engine/Powertrain Control Module (ECM/PCM)
DTC U0101 00: Lost Communication With Transmission Control Module (TCM)
DTC U0121 00: Lost Communication With Electronic Brake Control Module (EBCM)
DTC U0140 00: Lost Communication With Body Control Module (BCM)
DTC U0151 00: Lost Communication With Restraints Control Module
DTC U0155 00: Lost Communication With Instrument Panel Cluster (IPC) Control Module
DTC U0164 00: Lost Communication With HVAC Control Module
DTC U0168 00: Lost Communication With Vehicle Theft Deterrent (VTD) Control Module
DTC U0170 00: Lost Communication With Passenger Presence System (PPS)
DTC U0184 00: Lost Communication With Radio
DTC U0186 00: Lost Communication With Audio Amplifier
DTC U0194 00: Lost Communication With Digital Radio Receiver (DRR)
DTC U0198 00: Lost Communication With Communication Interface Module (OnStar®)
DTC U0209 00: Lost Communication With Heated Seat Module (HSM)
DTC U0214 00: Lost Communication With Remote Function Actuation (RFA)

These are all the modules onyour vehicle - no hdm module .

Oct 13, 2017 | Cars & Trucks

1 Answer

Code U1016 2000 Grand Am GT


DTC U1001-U1254 Loss of Communications
Powertrain Control Module (PCM) U1016

Vehicle not starting an running ?
Do you know anything about GM class 2 serial data network .

Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. When a module receives a message for a critical operating parameter, the module records the identification number of the module which sent the message for State of Health monitoring (Node Alive messages). A critical operating parameter is one which, when not received, requires that the module use a default value for that parameter. Once an identification number is learned by a module, it will monitor for that module's Node Alive message. Each module on the class 2 serial data circuit which is powered and performing functions that require detection of a communications malfunction is required to send a Node Alive message every 2 seconds. When no message is detected from a learned identification number for 10 seconds, a DTC U1016
The control module ID number list below provides a method for determining which module is not communicating. A module with a class 2 serial data circuit malfunction or which loses power during the current ignition cycle will have a Loss of Communication DTC set by other modules that depend on information from that failed module. The modules that can communicate will set a DTC indicating the module that can not communicate.
Control Module
ID Number
Powertrain Control Module (PCM)
016
Electronic Brake Control Module (EBCM)
040
Body Control Module (BCM)
064
Sensing and Diagnostic Module (SDM)
088
Instrument Panel Cluster (IPC)
096

Do you know how to do a loaded circuit test for the power an ground circuits for that module ?


The Trainer 61 DTC Diagnostics Pt1 How The ECM Thinks

ECM Inputs and Outputs Diagnosis

Feb 28, 2017 | Pontiac Grand Am Cars & Trucks

1 Answer

Where is the vaccum modular for transmition on the mercury sable 1999 3.0 dohc


Doesn't have one . all electronically controlled . An it was a vacuum modulator valve.
Transaxle Electronic Control System Electronic System Description
Shift timing, shift feel (line pressure) and torque converter clutch control in the AX4S are controlled electronically by the powertrain control module (PCM) (12A650) and its input/output network. The transmission control is separate from the engine control strategy in the powertrain control module, although some of the input signals are shared. Some input signals come from the engine-related sensors, for example, mass air flow sensor (MAF sensor) (12B579) and engine coolant temperature sensor (ECT sensor) (12A648) to give the powertrain control module an idea of the load and climate under which the engine is operating. Some other inputs are based on driver inputs, such as accelerator pedal position which is related to the powertrain control module by the throttle position sensor (TP sensor) (9B989). Still other inputs are provided by the transaxle itself, from sensors such as the vehicle speed sensor (VSS) (9E731), transmission range (TR) sensor (controlled by the placement of the selector lever) and the transmission fluid temperature sensor. Using all of these input signals, the powertrain control module can determine when the time and conditions are right for a shift or torque converter clutch application. The powertrain control module can also determine the line pressure needed to optimize shift feel. To accomplish these functions, the powertrain control module controls five electronic solenoids - three on/off solenoids for shifting, one pulse-width modulate solenoid for torque converter clutch control and an electronic pressure control (EPC) solenoid for line pressure control.

Mar 22, 2016 | Mercury Cars & Trucks

1 Answer

Where is the Body Control Module located?


I'm just curious if your aware of the BCM function's on your vehicle an if you know what the gate way module is ? An do you know about serial data communication between modules ? An do you know what the power mode master is ? And do you know the BCM needs programming ?
The body control module (BCM) in this vehicle functions as a gateway or translator. The purpose of the gateway is to translate serial data messages between the GMLAN high speed buss and the GMLAN low speed buss for communication between the various modules. The gateway will interact with each network according to that network's transmission protocol.
One example of this necessary communication is the communication between the engine control module (ECM)/powertrain control module (PCM) which is high speed serial data and Theft Deterrent Module which is low speed serial data. If these modules can not exchange information, the vehicle will not start.
Communication between the BCM and a scan tool can be on the high speed GMLAN network or low speed GMLAN network. If one network is lost, the BCM can still communicate with the scan tool. A lost communication DTC typically is set in modules other than the module with a communication failure.

Mar 04, 2016 | 2007 GMC Yukon XL Denali

1 Answer

Where is the automatic transmission modular located on 2001 buic centry


Do you mean the transmission control module ? It is incorporated into the engine control module . PCM - powertrain control module .

Powertrain Control Module (PCM) (L36/L67)
Left front of the engine compartment, inside the air cleaner assembly
Engine Controls Component Views in Engine Controls - 3.8L
Powertrain Control Module Connector End Views in Engine Controls - 3.8L
Powertrain Control Module (PCM) (LG8)
Left front of the engine compartment, inside the air cleaner assembly

Oct 04, 2015 | Cars & Trucks

1 Answer

P1627


take it to dealer

Sep 28, 2012 | 2000 Mazda MPV

1 Answer

Code: U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE What does this mean?


U0140 Lost Communication With Body Control Module

This generic "U" trouble code applies to all car makers and indicates a problem between the PCM and the body control module. This is likely the result of a problem in the data link between the two modules.

Is the U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE also set?
YES: Follow the diagnostics for U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE
Perform the POWERTRAIN VERIFICATION TEST. See: Verification Tests\Powertrain Verification Test
NO: Replace and program the Powertrain Control Module.
Perform the POWERTRAIN VERIFICATION TEST. See: Verification Tests\Powertrain Verification Test

Good luck.

Aug 24, 2010 | Jeep Liberty Cars & Trucks

2 Answers

What is the defination of PCM


Powertrain Control Module

Feb 18, 2010 | 2001 Ford Focus

1 Answer

2001 Dodge Dakota Engine Light


below is coped directly from Chrysler. sorry but if you have that code you need a PCM

Symptom:

P0601-PCM INTERNAL CONTROLLER FAILURE
POSSIBLE CAUSES
POWERTRAIN CONTROL MODULE
TEST ACTION APPLICABILITY

1 NOTE: This DTC indicates an internal PCM problem.
If there are no possible causes remaining, view repair.

All
Repair
Replace and program the Powertrain Control Module in accordance
with the Service Information.

Perform POWERTRAIN VERIFICATION TEST VER - 2.
38
COMMUNICATION

Mar 25, 2009 | 2001 Dodge Dakota

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