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U0100,u0155, u0121, u0101 - MAZDA6 Mazda Cars & Trucks

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Posted on Jan 02, 2017

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SOURCE: Emission test found some trouble codes

U0121 Communication error to ABS HU/CM

Posted on Apr 06, 2009

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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 (OnStarĀ®)
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

2005 Mazda 6 4cylinder codes u0101 & u0155


Common problem with several causes including bad ground wire or bad tcm/pcm. Highly recommend you check one of the many mazda forums for specific details

Aug 28, 2016 | Mazda Cars & Trucks

1 Answer

What should i look for when getting engine codes u0121,u0101,u0155,u0073,u0100. plus all lights on clusters on. some times car only goes 5mph till i shut off and restart.


All these " U " codes are communication issues amongst modules. These modules communicate on bus wiring from one to another. You have a communication issue with one or more modules. You will most likely have to have the vehicle proffessionaly scanned with a vehicle scan tool to be able to identify the source of this communication issue. You may have a bad module/wiring/power/ground issue to be repaired

Nov 29, 2015 | Cars & Trucks

1 Answer

How to fix code U0155 for 06 Ford f350


Gas or diesel ?
U0155 - Lost Communication With Instrument Panel Cluster Control Module Description: Missing message concerns are logged by a module upon failure to receive a message from another module within a defined retry period. Possible Causes:
  • Open VPWR circuit to the sending module
  • Open GND circuit to the sending module
  • Open network circuits to the sending module
Diagnostic Aids: Carry out the diagnostics for the associated network module. Application Key On Engine Off Key On Engine Running Continuous Memory All Refer to the Workshop Manual Section 413-01, Instrument Cluster. Do you have a scan tool that can talk to the I/P cluster ?
  • The instrument cluster does not respond to the diagnostic tool
  • Circuit or connection in the controller area network (CAN)
  • Instrument cluster
  • Go To Pinpoint Test H .

May 12, 2015 | Ford Cars & Trucks

1 Answer

What U1411 code means?


U1411 Implausible Fuel Volume Signal ReceivedPossible Causes Setting Conditions
CAN 'C' Bus circuit is open or shorted to ground
Cluster module has failed
FCM has failed
PCM has failed
Key on or engine running; and the PCM determined that the Fuel Volume signal it received was implausible.
This code sets in 1 Trip(s).
This code will turn on the MIL (Malfunction Indicator Lamp) Vehicle Application: 2005 Jeep Grand Cherokee Laredo 4.7L, Vin N, Eng Cfg V8

Customer Concern: Has 11 codes. U0101, U110C, U0121, P0480, U1120, U0103, U1411, U110E, P000B, U0100, U0002. At this time there is a no crank condition.
Tests/Procedures: 1. Clear the codes and see what comes back. These are all communication codes.
2. Disconnect the modules one at a time when it is acting up and see when the communication comes back.
Potential Causes: Controller Area Network (CAN) C Module

Tech Tips: On this vehicle it turned out the Occupant Restraint Controller (ORC) which is on the Controller Area Network (CAN) B bus was actually causing the problem. It was also taking down the Controller Area Network (CAN) C bus at times. I hope this helps.

Apr 01, 2015 | 2006 Jeep Liberty

3 Answers

What do these codes U0100, U0155, U0101 and P2187 mean for my mazda?


U0100 - Lost Communication with ECM/PCM "A"
U0155 - Lost Communication with Instrument Panel Cluster (IPC) Control Module
U0101 - Lost Communication with TCM
All of them are Geniric Codes 4 Mazda, I would say who ever was working on the car last, posobly forgot or missted 1 or 2 connection
plugs along the way near the last repairs. So just trace yr last steps 2 see if ther any unpluged connectors, cos looks like they all are part of same chane in that line.
P2187 - Sys To Lean at the idle Bank 1
Hope that helpes you. Good luck.
Tony D:-)

Aug 03, 2014 | 2004 Mazda 6

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

Mazda 6 2005 u0101,u0155,u0121,u0073,u0100 codes coming up


I got the same problem. u ever figure it out? ive cleared codes and there the same. light on cluster lit up . plus some time after pulln away from stop car goes five mph. turn off start up drives fine. im about to burn this thing.

Apr 21, 2013 | 2005 Mazda 6

1 Answer

2004 Maxda RX8 codes U0101 & U0155


These are transmission control module can communications codes. ealer will need to repair these for sure.

Sep 10, 2012 | 2004 Mazda RX-8

1 Answer

Emission test found some trouble codes


U0121 Communication error to ABS HU/CM

Apr 06, 2009 | 2005 Mazda 6

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