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Lost communication with PCM - 2003 Pontiac Aztek

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My Toyta Previa model 2008 has its PCM prblem ( lost of communication with PCM)

Posted on Aug 24, 2013

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Posted on Jan 02, 2017

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1999 chevy malibu p1610 diagnostic code means what?


DTC P1610 Lost Communications with Body Multiple Control (BCM) System
Circuit Description
The PCM uses the serial data circuit to communicate with various other devices and systems in the vehicle. The PCM ensures that communication remains established by monitoring the serial data circuit for state of health messages from the other devices using the circuit. If the PCM detects a loss of the state of health serial data message from the Body Function Controller (BFC), DTC P1610 will be set.

Aug 12, 2017 | Cars & Trucks

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Lost current communication with fuel injector control module


Lost current communication with fuel injector control module ? Would you like to try and explain that a little better ? Lost communication with Engine computer PCM/ECM ? A scan tool won't talk with the PCM / ECM ? What type scan tool ? Can your scan tool talk with any other control module on the vehicle ? BCM , EBCM , SRS etc... if you know what those are ? Or current , are you talking about electrical current ? I know I only have thirty years experience as automotive Tech . I need terms that I can relate to .

Dec 01, 2016 | Cars & Trucks

1 Answer

Wiring diagram for code u0107 2004 avalanche


Do you even know what DTC U0107 involves ?
DTC U0107
Lost Communications With Throttle Actuator Control (TAC) Module

The throttle actuator control (TAC) module and the powertrain control module (PCM) communicate via a dedicated serial data circuit. This serial data circuit is separate from any other serial data circuit on the vehicle. Accurate transmitting and receiving of serial data requires not only good circuit integrity, but also adequate system voltage. This diagnostic test monitors the accuracy of the serial data transmitted between the TAC module and the PCM. If the PCM detects a loss of data or invalid data, this DTC sets.

Diagnostic Aids
Important: Reprogramming the PCM may cause a communication error between the PCM and the TAC. If the PCM detects a communication error, DTC U0107 sets. Clear any DTCs from the memory that may have been set by Reprogramming.
• DTC U0107 sets if the battery voltage is low. If the customer's concern is slow cranking or no crank because battery voltage is low, ignore DTC U0107. Clear any DTCs from memory that may have set from the low battery voltage condition.
• DTC U0107 sets when there is a short to B+ on the TAC module ground circuit. Inspect the fuses for the circuits that are in the TAC module harness--i.e. cruise, brake. An inspection of the fuses may lead you to the circuit that is shorted to the TAC module ground circuit.
Replace the TAC module. Refer to Electronic Throttle Actuator Control Module Replacement .
Did you complete the replacement?

Nov 20, 2016 | Cars & Trucks

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I have a 2003 bonniville sle i have a code U1040. Where is the EMCM AND PCM LOCATED


U1040
DTC U1001-U1254 IPC, PCM, SDM

Electronic Brake Control Module (EBCM)
040

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 cannot communicate. When no message is detected from a learned identification number for 5 seconds, a DTC U1??? where ??? is equal to the 3-digit identification number is set.
Control Module
ID Number
Powertrain Control Module (PCM)
016
Electronic Brake Control Module (EBCM)
040
Dash Integration Module (DIM)
064
HVAC Control Module or IPM
065
Rear Integration Module (RIM)
066
Inflatable Restraint Sensing and Diagnostic Module (SDM)
088
Instrument Panel Cluster (IPC)
096
Head Up Display (HUD)
098
Radio
128
Remote Playback Device - CD Changer
130
Digital Radio Receiver (DRR)
137
Vehicle Communication Interface Module (VCIM)
151
Driver Door Module (DDM)
160
Front Passenger Door Module (FPDM)
161
Left Rear Door Module (LRDM)
162
Right Rear Door Module (RRDM)
163
Memory seat Module (MSM)
166
Driver Door Switch Assembly (DDSA)
170
Remote Control Door Lock Receiver (RCDLR)
176
Theft Deterrent Control Module
192
The electronic brake control module is communicating , no need to bother the PCM . The code was set in pcm because it lost communication with EBCM , PCM not the problem .
Electronic Brake Control Module (EBCM)
Left Front lower corner of the engine compartment, under the air cleaner housing .
Check power's an ground's . Will a scan tool talk to it ?

Oct 03, 2016 | Cars & Trucks

1 Answer

Toyota codes u0100 and u0101


U0100 means lost of communication with ECM/PCM
U0101 means lost of communication with TCM

Feb 24, 2014 | 2007 Toyota Camry

1 Answer

Code means


U1096, Lost Communications With Instrument Panel Cluster
there is a circuit call data communication. the data wire could be cut. or short to ground between PCM and cluster.

Sep 22, 2013 | Chevrolet Cars & Trucks

1 Answer

How to fix code u0100 on a 2008 Chevy siverado no start no crank


you somehow lost communication to pcm , check all fuses, if all are ok then you may have a bad pcm

Feb 25, 2013 | Cars & Trucks

1 Answer

Lost communication with ecm/pcm lumina 2007


You will need to have the dealer fix this, it requires special equipment to diagnose and repair.

Sep 14, 2012 | Chevrolet Cars & Trucks

1 Answer

Took the car to emmissins it failed with p1636 code. trying to find out what that means


Inductive Signiture Chip Communication Error

The PCM has lost communications with a sensor that monitors devices such as relays, solenoids and coils. It's usually an indication that the PCM is faulty.

There is some excellent information that you can look at if you go to the following forum:
http://www.ford-trucks.com/forums/1083599-p1636-inductive-signature-chip-communication-help.html

Jul 18, 2011 | Ford Taurus Cars & Trucks

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

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