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Fault code u1900 for mazda 6

Adjusting the vehicle fuses a light table presents the AT and an image of the vehicle when cornering, the car is normally turned on the speed but when I put the box gives a heavy blow or speed avnaza no

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Posted on Jan 02, 2017

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SOURCE: 2004 Mazda 6, battery light is on.

what has this got to do with the battery light coming on

Posted on May 11, 2009

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SOURCE: Vehicle is a 2003 Mazda MPV- Radio and door

you might find the fuse diagram on the inside the fuse box cover under the hood.....hope this helps..... cheers

Posted on Aug 07, 2010

tunde007
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SOURCE: Mazda 626 (Capella) ABS fault. I

Hi,
Code 44
Oxygen sensor voltage was under 0.25 volts for up to 4 1/2 minutes of closed loop operation, lean exhaust. Check the ECM wiring connections. Check for vacuum leaks at the hoses and intake manifold gasket.

Code 48
Misfire Diagnosis. Check the ignition and fuel systems.

Posted on Jan 31, 2011

wickedways62
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SOURCE: 2001 Mazda Milleniacheck engine light came on.

check all spark plug wires and replace. age and wear and tear will cause them to crack and therefore create the misfire in your cylinder causing the engine to run rough

Posted on Apr 05, 2011

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After diagnosis i get code u1900 for mazda 6 2007model.


This is a communication error code. One or more modules within the vehicle is/was not communicating with the vehicles computer. Possible loose connections/wiring issues or defective modules. This code may be also set if the battery was replaced/disconnected. Try erasing the code and see if it returns. If it comes back, it could take some time diagnosing the problem.

Nov 21, 2015 | Mazda Cars & Trucks

1 Answer

Code u1900


Hello Friends need help and advice have Mazda Tribute 2 3 2005... Problems Solutions for Mazda code u1900

Hopefully these links will work. The u1900 code is described, and there are suggestions on how to address the code issue.

Apr 29, 2014 | 2000 Mazda Demio

1 Answer

Flashing airbag light 4 blinks 6 blinks


This is a code 46 LH Crash Sensor - Not Mounted to Vehicle Properly. Often there is a poor contact on one of the wiring connectors. Some of the problems can happen from a poor connection where everything connects under the drivers side seat.
Here is a list of codes for the airbag light issues.

Air Bag Fault Code Table

AIR BAG DIAGNOSTIC MONITOR FAULT CODE PRIORITY TABLE

Priority Code Component/Fault Description

Highest -- No Air Bag Lamp - Inoperative Lamp Circuit or No Ignition Voltage to Diagnostic Monitor

' -- Continuous Air Bag Lamp - Diagnostic Monitor Disconnected or Inoperative

' 12 Low Battery Voltage

' 13 Air Bag Circuit or Crash Sensor Circuit - Shorted to Ground

' 21 Safing Sensor - Not Mounted on Vehicle Properly

' 22 Safing Sensor Output Circuit - Shorted to Battery Voltage

' 23 Safing Sensor Input Feed/Return Circuit Open

' 24 Open in Circuit 944B or Low Resistance in Crash Sensor(s)

' 32 Driver Side Air Bag/Safing Sensor Circuit - High Resistance or Open

' 33 Pin 7 Not Grounded at Diagnostic Monitor

' 34 Driver Side Air Bag/Safing Sensor Circuit - Low Resistance or Shorted

' 35 Low Resistance Across Pins 8 and 9 at Diagnostic Monitor

' 41 Crash Sensor Circuit - High Resistance or Open

' 44 RH Crash Sensor - Not Mounted to Vehicle Properly

' 45 Center Radiator Crash Sensor - Not Mounted to Vehicle Properly

' 46 LH Crash Sensor - Not Mounted to Vehicle Properly

' 51 Diagnostic Monitor Internal Thermal Fuse - Blown and Short to Ground No Longer Exists

' 52 Backup Power Supply - Voltage Boost Fault

' 53 Internal Diagnostic Monitor Fault

Lowest -- Rapid Continuous Flashing of Air Bag Lamp - All Crash Sensors Disconnected

Hope this helps...

May 05, 2011 | 2003 Ford Escape

1 Answer

9@how to fix dtc p1178 and p1118 on a 2002 hyundai xg350


I live in Australia & have a Hyundai Grandeur XG 3LT V6 2002 model (US equivalent is Hyundai XG300).
Fault codes are P1118 (ETS motor fault) & P1178 (ETS motor battery voltage open). An intermittent fault.
The first code denotes general area of the fault & the second code denotes the specific fault.
So the specific fault is that the ETS-PCM computer is not receiving 12V on pin 2 with ignition on.
'Check engine' light remains on & car is in 'limp home mode' with very little power & poor performance.
I had purchased the Hyundai service manual online (ebook about $8) for the US model. Could not find any
manual for the Australian model. On page FLA-52 found the block diagram for the whole ETS system.
I am a retired electrical engineer so now it became easier for me to find the fault.
There are 2 computers behind the center console. PCM & ETS-PCM.
Pin 2 of the ETS-PCM should have 12V present when ignition is on.
In fault mode 12V was not present. This 12V is supplied from ETS 15A fuse (fuse box under dashboard)
via a relay (i will call this relay the ETS relay). The 15A fuse was OK but the 12V was only
intermittently being passed through the relay points. Relay is located near ignition switch on a
sub panel which has about 6 relays on it. ETS relay was at right bottom corner of sub panel.
Yellow wire feeds the 12V (which is always present even with ign. switch off) to the relay points.
White wire is the output wire from the relay points which feeds 12V to pin 2 of the ETS-PCM computer.
Measure if 12V is present at white wire when ign. switch is turned on (no need to start engine)
I only had the 12V present intermittently. So pulled out the ETS relay - tested contacts with
ohmmeter & found to be only making contact intermittently when relay lever depressed
- removed relay case by grinding away one corner of the case - cleaned the relay points with fine sandpaper.
replaced the relay case & taped with black insulating tape to keep out dust. Tested relay with ohmmeter & points
now OK. Fault is now cleared & car is operating normally.
Also had previously purchased on Ebay a Can OBD11 scanner for $15 which read the fault codes OK.
Hope this helps other people with similar problem.

Mar 15, 2011 | Hyundai Motor 2003 XG350

2 Answers

Need to know what these code means p1118,p1110,p1178


Hi Friend:

In checking your Codes heres the Data.

#1) P1118 -->> this code is sending a signal that your ETCS =Throttle Motor is Either Damaged or it has Failed.

#2) P1110-->> this code is showing that your PCM (Control Module) has received a Signal that your you have a problem with your Throttle Body.

#3) P1178-->> this Code is Indicating that Your Electronic Throttle Motor Battery has a Open Circuit.

Sir, I would start checking your Fuses before you Spend a Bunch of Uneccessary money. It could be that your ETCS Fuse is blown, This could be causing All these Codes.but theres is still a chance that you'll get a Code after changing the ETCS Fuse.

Note: you have Fuse Blocks inside your Vehicle and Under your Hood as well, They'll be Labelled Fuses and Relays.

I hope this Fuse solves ALL your Problems sir.Please let me know how my Solution has helped you by Voting for me and a Testamony would be Appreciated.

Thank You for Using FixYa From: d_hubbs

Aug 17, 2010 | 2004 Hyundai Santa Fe

1 Answer

I have a ford explore 4wd v-6 engine. i had a diagnostic test done and the codes are U1900, B2900 and U2023. The mechanic didn't tell me what they meant. Told me I need to replace my battery for $200.00,...


U1900 - is a continuous code = C.A.N. communication bus fault - receive error

B2900 - can't find

U2023 - can't find

none of these are powertrain codes. if you have no symptoms, clear codes and drive car. I think you can clear by disconnecting battery for 2 hours. then drive for 10 miles to relearn. may run rough for 10 miles.

Jan 08, 2010 | 2004 Ford Explorer

1 Answer

Hi we have a Mazda Eunos 800M 1994 vehicle how do u clear fault codes as we do it by the book way but the codes are still there. Plus if you drive the car for 5 - 10 minutes they rev limiter kicks in and...


if you look under the hood there is a fuse box that will have a large fuse that is labeled btn. what you need to do is pull this fuse and then hold the brake pedal for about a minute. we call this fuse the back to normal fuse because when you do this it will clear every thing in the memory and put it back to normal operating specs

Aug 26, 2009 | Mazda Millenia Cars & Trucks

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