BW:BMW 118i:GH-UF18:DTC:A0B4:HAT:no Starting:

DTC:OBD2:DIAG:ENG:ABS:SRS:EPS:ESC:MIL:

BW:BMW 118i:GH-UF18:DTC:A0B4:HAT:no Starting:

[05]

2006MY


WN14No7,p24B
E81:E82:
E87:E88:

http://www.cardiagnostics.be/-now/GT1-MODIC-DIS_bestanden/BC_CAS_DTC.htm

does not start (till after a break)
http://www.m3post.com/forums/showthread.php?t=652539&page=2

 

コメント（57）

  

顔アイコン

BMW E90 Starting Problems A0B4 Engine Start Starter Operation?

https://answers.yahoo.com/question/index?qid=20120123094541AAX4ejx

i have a E90 2006 325i i got this code of the scanner 

A0B4 CAS Engine Start Starter Operation 

the car starts and drivers perfectly but sometimes when i try to start it just wont crank...削除

2014/5/16(金) 午後 4:13ogw*og*2返信する

  

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i tried for over 10 mins trying to push the button the start and all the sudden it started again! day or two later same problem! iv tried with and with out jumpers and same problem after 15-20 mins it starts again,削除

2014/5/16(金) 午後 4:15ogw*og*2返信する

  

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I got a remmanufactured Bosch Starter and its a 3-4 job to replace this starter, once i installed it everything worked for 2-3 days then same exact problem, i checked to see if power is going to the starter when i push the button and it is! so im like shoot this starter is defected! so i order one from the dealer $300.00 ( reman not new )削除

2014/5/16(金) 午後 4:15ogw*og*2返信する

  

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another 3 hour of work installed the new * Reman * starter from the dealer which is Bosch again but the crank sounded much more stronger then just the Bosch Reman from part stores so im like WallAa , this is it 

2-3 days later same exact problem! i changed the alternator & the battery ** From Dealer ** Same Exact problem!削除

2014/5/16(金) 午後 4:19ogw*og*2返信する

  

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when the problem happens there is power to the car igniton turns on, but no crank! power going to the starter when button pushed! 

iv spent to much money and hours of labor on this car, 
id appreciate any help 
Thank you in advance!削除

2014/5/16(金) 午後 4:21ogw*og*2返信する

  

顔アイコン

1) Make sure the car is in Park with the Emergency Brake on and the wheels chocked. 
2) Get a friend to help you. 
3) When your friend presses the Start button, measure whether voltage appears at the Solenoid terminal of the starter. If no voltage, then you know it isn't the starter. (You can prove this by jumping some voltage directly to the solenoid terminal).削除

2014/5/16(金) 午後 4:24ogw*og*2返信する

  

顔アイコン

4) If this is a manual transmission, then there is a switch connected to the brake system that will disable the starter if it thinks that the brake is not depressed. Sometimes that switch fails to activate. 
Source:
e90post.com削除

2014/5/16(金) 午後 4:25ogw*og*2返信する

  

顔アイコン

I HAVE A BMW E88 AND WONT START SHOWING FAULT CODE A0B4 ON DIAGNOSTICS, HOW CAN I SOLVE THIS STARTING PROBLEM

http://www.fixya.com/cars/t14005394-bmw_e88_wont_start_showing_fault_code削除

2014/5/16(金) 午後 4:27ogw*og*2返信する

  

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125 BMW WONT START, FUEL PRESSURE IS GOOD BUT SHOWING AOB4 ON DIAGNOSTICS AS FAULT. ENGINE DOES CRANCK, SEEMS LIKE SPARK IS MISSING.削除

2014/5/16(金) 午後 4:28ogw*og*2返信する

  

顔アイコン

check timing marks on cam sprocket,could be one tooth 'retarded'.


Then the fuel injectors are not pulsing,replace the crankshaft sensor,it controls the spark,but also the pulse for the injectors.削除

2014/5/16(金) 午後 4:30ogw*og*2返信する

  

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Re:"truck try to start but,look like not caching all cylinders cause while crank, if i puhs acelerator to the floor then try to start i remove plugs they, are wet i clean then reinstall,"

If you are saying that the cylinders are flooding and there is misfire, check the coil packs.削除

2014/5/16(金) 午後 4:31ogw*og*2返信する

  

顔アイコン

This get tested reading Ohms on primary and secondary coils, reading volts in. Ohms on primary coil terminal (B+) must be in range of 0.3-1Ohms, secondary resistance reads between 5K and 15K. There are different kind of coil packs for this engine. Their ratio is always about 90:1, to return 45K Volts.削除

2014/5/16(金) 午後 4:33ogw*og*2返信する

  

顔アイコン

On this one impedances should be 0.2 ohm primary resistance; 6.7 KOhms secondary resistance.

Other way to test coil packs is swapping the two packs in this engine (not swapping spark cables, swapping the modules).

Also do a code scan. If there is misfire this is reported as P03xx OBDII code.削除

2014/5/16(金) 午後 4:33ogw*og*2返信する

  

顔アイコン

Reading codes you can also find out if there is any rich or lean code detected by the O2 sensor. If car is not starting at all there will be no mixture code reported from O2 sensors, as there is no ignition.

Regarding mixture, if ignition and distribution is OK, check the factors that determine mixture.削除

2014/5/16(金) 午後 4:35ogw*og*2返信する

  

顔アイコン

Check MAP/MAF sensor and IAT sensor. Test starting with new air filter , test with no fuel cap and check the vacuum. If vacuum has a hole it will **** air in the mixture, mixture will be lean, you have pressure but the engine does not ignite even if there is spark.
To test vacuum use the fuel gauge in vacuum lines and spray carb cleaner on hoses, if there is a hole pressure will go up.削除

2014/5/16(金) 午後 4:36ogw*og*2返信する

  

顔アイコン

If still nothing check and eventually replace the AC delco EGR valve. Valve stuck open is a common failure, car will not start, engine will flood. In that case the mixture is rich.

PS:Please stop telling everybody "if you dont know dont answer" There are two kind of answers, the ones from people who does not have a clue and go for the few bucks, and the one from people that may help you. There is no way to filter them.削除

2014/5/16(金) 午後 4:37ogw*og*2返信する

  

顔アイコン

Most of the answers are from experts but some idio t is also posting. Simply discard the bad ones and stick to the good ones. 
You should stick with an expert and keep troubleshooting, not keep arguing.

I know you are discarding everything, and probably going for r., but who cares. I am out of here.

All the best, good luck with your GM engine.

G.削除

2014/5/16(金) 午後 4:38ogw*og*2返信する

  

顔アイコン

E90 Problem Tried to many solutions need help 
Hello!
I'm new to this forum 
i have a E90 2006 325i i got this code of the scanner 

A0B4 CAS Engine Start Starter Operation


http://www.e90post.com/forums/showthread.php?t=639153削除

2014/5/16(金) 午後 4:48ogw*og*2返信する

  

顔アイコン

Bump.... Any one???

So iv changed the following

IBS New
3 Starter 1 Used 1 Rebuild by Bosch & One From The Dealer 
New Starter Cable
Alternator

http://www.e90post.com/forums/showthread.php?t=639153削除

2014/5/16(金) 午後 4:58ogw*og*2返信する

  

顔アイコン

New Battery From The Dealer
I registered the battery as well
CAS New & Re Alined CAS > DME
Start Stop Button New
Brake Switch new
I Have Checked All The Fuses & The ones in the Engine ECU Box

And Still NO LUCK!削除

2014/5/16(金) 午後 4:59ogw*og*2返信する

  

顔アイコン

Some times the car starts up fine there are times i drive 200 miles or 10 miles & when i go back to my car to start it up NO Start and when i check the codes with the GT1 it says A0B4 Engine Start, Starter operation Currently Present i clear stand it comes back! also NO check engine light when problem occurs but stored IN the DME

When the car does start up fine the A0b4 Code doesn't come on and clears just fine!

Any Help will be very appreciated and respected..

Thank You!削除

2014/5/16(金) 午後 5:00ogw*og*2返信する

  

顔アイコン

Sorry but one more thing... 
Also when i scan with the GT1 CANSYS System Analysis it gives these codes
FFF Cansys: Communication Fault
Fault Details in info memory

And in the DSC Dynamic Stability Control MK shows this codes
D35A Cansys : DSC No Message ( CAS 304 ) 

Thank you again!削除

2014/5/16(金) 午後 5:03ogw*og*2返信する

  

顔アイコン

Perhaps it is the solenoid in the electric steering lock system that does not disengage properly and is intermittent. Do you hear a low level click sound when the fob is inserted?削除

2014/5/16(金) 午後 5:04ogw*og*2返信する

  

顔アイコン

Hello queensfield.
Right now the car is starting up. So it will be hard diagnosing it. 
I need to try what you said when the problem happens and car won't start. 
Happens hourly to weekly. Its killing me 
When car is running no problem it won't turn off on me. But when I turn it off and restart the car that's when randomly won sart :(削除

2014/5/16(金) 午後 5:06ogw*og*2返信する

  

顔アイコン

Hey George. When it refuses to start, perhaps listen to the disengage sound of the solenoid when you insert the key fob. If the starter is good, IBS is OK, battery is providing voltage, then electronic lock steering is a real possibility and it might be intermittent. Hope you fix your problem soon. Let us know.削除

2014/5/16(金) 午後 5:07ogw*og*2返信する

  

顔アイコン

ive got an issue where i had the engine taken out of the car and now when it has been put back in and everything assembled....the car turns over but does not start!!!! the car was running and starting everytime perfectly before we took the engine and now will not start...any help?


http://www.e90post.com/forums/showthread.php?t=639153削除

2014/5/16(金) 午後 5:08ogw*og*2返信する

  

顔アイコン

Hi Queensfield. 
will try and let you know

HI G Jonblaze > you probably need to check fuse and if you have a scanner scan it maybe something to do with the immobilizer , usually when car turns and just turns with no start i get a immobilizer code which is built in the with the CAS Module under the drivers side dash, you can RE- Aline CAS - DME and it should work.削除

2014/5/16(金) 午後 5:09ogw*og*2返信する

  

顔アイコン

Hello, 

the car is starting right now & i hear the steering lock clicking, 
im waiting for it to stop again and if i hear it still 

Auto logic is connected & here is the battery voltage its reading 

Car started on Idle Battery Voltage 11.88V
Terminal 15 Wake Up PT CAN 12.60 - 11.44V
Terminal 15 Wake Up ACC .13V削除

2014/5/16(金) 午後 5:12ogw*og*2返信する

  

顔アイコン

Car Turned Off Battery Voltage .10V ? and some times it goes up i think and back down..
Terminal 15 Wake Up PT CAN 0.0V
Terminal 15 Wake Up ACC 0.0V 

Car Turned on With AC & Lights ON
Battery Voltage 12.70V削除

2014/5/16(金) 午後 5:12ogw*og*2返信する

  

顔アイコン

But The Battery Voltage Is in the range of 11.50-13.10 car started it fluctuating 
is this normal? and car off its going down to .13- 0 Volts is it because the car is sleeping?削除

2014/5/16(金) 午後 5:13ogw*og*2返信する

  

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how do you realign these? via a scan tool or something of the sort? any instructions? sorry, a bit of a noob with electrics but would like to know what im talking about when narrating to someone else削除

2014/5/16(金) 午後 5:14ogw*og*2返信する

  

顔アイコン

Hi George,

I think i may have a similar issue like you...see my post here:

http://www.e90post.com/forums/showthread.php?t=686114

I have only had one issue of not starting on the first push of the button in the last week (only had the car for 3 weeks)削除

2014/5/16(金) 午後 5:15ogw*og*2返信する

  

顔アイコン

Just monitoring the situation at the moment, i don't have any fault code readers so don't know if i'm getting any errors being logged.

I will let you know how things develop and have subscirbed to your thread.

One thing was mentioned on my post was to check whether your brake light switch is working (assuming that you have an auto)削除

2014/5/16(金) 午後 5:16ogw*og*2返信する

  

顔アイコン

Any progress towards resolution George?削除

2014/5/16(金) 午後 5:17ogw*og*2返信する

  

顔アイコン

Pulled this from manual. Maybe give it a shot....

PROBLEM: Engine does not crank. Only the SRS (Supplemental Restraint System) and red brake lights show in the instrument cluster with ignition on. FC A111 (ELV voltage supply fault) is stored in the CAS (Car Access System).

NOTE: As a result of a change in government requirements, the ELV was deleted in most 2007 and later models. Anti-theft protection continues to be provided by drive-away protection in EWS.削除

2014/5/16(金) 午後 5:18ogw*og*2返信する

  

顔アイコン

SOLUTION: Disconnect the IBS connector (3 pin connector with 2 wires) at the negative battery terminal. Follow the white/blue and gray wires from the IBS to locate the connector. 

Now try starting the vehicle. If the vehicle starts, replace the faulty IBS.


-----------------------
The IBS is connected to the negative battery terminal. Be careful as it is sensitive to mechanical stress and strain.
------------------------削除

2014/5/16(金) 午後 5:19ogw*og*2返信する

  

顔アイコン

Here's more information:

If the starter and solenoid click repeatedly without starting vehicle:
-Check battery state of charge
-Inspect battery and starter cables, terminals, amd ground connections for good contact. In particular, make sure ground connections between battery, body, and engine are completely clean and tight. 
-If no faults are found, starter may be faulty and should be replaced.

If starter fails to operate, check the following:削除

2014/5/16(金) 午後 5:20ogw*og*2返信する

  

顔アイコン

-Car Access System. Try another ignition key. If no faults can be found, have CAS checked using BMW scan tool.
NOTE: Automatic transmission neutral safety switch function is built into the transmission mechatronics electronics. Failure of this function causes a no-start condition.削除

2014/5/16(金) 午後 5:21ogw*og*2返信する

  

顔アイコン

Hi, is that taken from a workshop manual? If so, I may grab one off eBay as they are quite cheap削除

2014/5/16(金) 午後 5:22ogw*og*2返信する

  

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From the Bently service manual. Cost about 80 bucks but well worth it.削除

2014/5/16(金) 午後 5:23ogw*og*2返信する

  

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Hello gchild Still nothing

i changed the fuse box since terminal 15 relay is built in....

3-4 days later same damn problem i still have not found a solution !

IBS New 2 times 
3 Starter 1 Used 1 Rebuild by Bosch & One From The Dealer 
New Starter Cable 
Alternator
New Battery From The Dealer
I registered the battery as well削除

2014/5/16(金) 午後 5:25ogw*og*2返信する

  

顔アイコン

CAS New & Re Alined CAS > DME
Start Stop Button New 
Brake Switch new 2 times
I Have Checked All The Fuses & The ones in the Engine ECU Box
Changed the fuse box 


im thinking maybe the DME or the JBE Junction box? 
Any one削除

2014/5/16(金) 午後 5:25ogw*og*2返信する

  

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kfrazie1 > thanks for your post i tried the IBS and changed it Two times 

When the problem occurs i can start the starter by feeding power so starter isnt the problem also replaced it two 2 times lol.....削除

2014/5/16(金) 午後 5:27ogw*og*2返信する

  

顔アイコン

Here is some information maybe it will help you guys and in future

http://tis.spaghetticoder.org/s/view.pl?1/10/97/15

also go Google.com Type E90 Voltage 

click on 
03_E90 Voltage Supply and Bus.qxd

it has very very good info on E90 voltage / power management information削除

2014/5/16(金) 午後 5:28ogw*og*2返信する

  

顔アイコン

Hey George. A thought- try updating the DME software. Dealer might charge you $80-120 or so for getting a software update.削除

2014/5/16(金) 午後 5:29ogw*og*2返信する

  

顔アイコン

Hello. 
Do you thing might be the problem ? 
Only option left DME or JBE.削除

2014/5/16(金) 午後 5:30ogw*og*2返信する

  

顔アイコン

Here's some more information:

Symptom - Engine does not vrank
Probable Cause - Fault in CAS.
Solution - Try another key

Symptom - Engine cranks slowly or not at all, solenoid clicks when starter is operated削除

2014/5/16(金) 午後 5:31ogw*og*2返信する

  

顔アイコン

Cause - 1. Battery cables loose, dirty, corroded. 2. Battery discharged 3. Battery to body ground cable in trunk loose, dirty, or corroded. 4. Poor connection at starter motor terminal X6512 5. Starter motor or solenoid faulty.

Obviously, you've ruled out a lot of these. I know the starter is good, but double check your connection is tight.
__________________削除

2014/5/16(金) 午後 5:33ogw*og*2返信する

  

顔アイコン

Montego Blue E90 335i
7" VRSF IC | OFT Tune | DCI | RB PCV | Secondary CAT Delete & CYBA 3.75" Tips | M3 Front | CSL Trunk | 19" LC Dyna Wheels削除

2014/5/16(金) 午後 5:34ogw*og*2返信する

  

顔アイコン

Help with understanding Autologic fault codes...

http://forums.m3cutters.co.uk/showthread.php?t=76624


Hi,

The following codes were thrown up on a E92 M3, would appreciate if someone could explain (in laymans terms!) what they mean please:

1 - Function Centre, Roof (FZD) - A670 Fogging sensor

2 - Instrument Cluster (INSTR) - A559 Supply was switched off (terminal 30g-f)削除

2014/5/16(金) 午後 5:43ogw*og*2返信する

  

顔アイコン

3 - Central Information Display (CID) - A46D Open circuit, supply voltage

4 - CAR Access System (CAS) - A0B4 Engine start, starter operation

5 - Digital Motor/Diesel Electronics (DME/DDE) - 2B13 Speed recording

Thanks in advance削除

2014/5/16(金) 午後 5:44ogw*og*2返信する

  

顔アイコン

They could simply be a result of a low battery. Have you had any electrical repairs or mods done lately?削除

2014/5/16(金) 午後 5:46ogw*og*2返信する

  

顔アイコン

Hi Alpina,

The only things i've had done was a Viper alarm fitted, but that was about a year ago. Ive had the low battery warning come up a couple of times as I don't use the car that often.

Just wondered if I need to be concerned with any of them.削除

2014/5/16(金) 午後 5:47ogw*og*2返信する

  

顔アイコン

It's quite possible that the errors were flagged when the alarm was installed or maybe when you had a flat battery.

Best to get them cleared and give it a few days before having it scanned again. That will tell you if there's anything wrong.削除

2014/5/16(金) 午後 5:49ogw*og*2返信する

  

顔アイコン

OK, thanks for your help.

http://forums.m3cutters.co.uk/showthread.php?t=76624削除

2014/5/16(金) 午後 5:50ogw*og*2返信する

  

顔アイコン

STA:本体とD-raは判断している
長い棒でショックを与え始動を確認したとの事
本体8万、それに工賃

それ以外にオイル漏れ、BATを含め約20万台の修理となる予定削除

2014/5/17(土) 午前 5:06ogw*og*2返信する内緒

  

顔アイコン

Starter Circuit Information
The starting system on the F650GS is complicated by the neutral, clutch and side stand lockouts coupled with the use of a load relief relay to minimise power consumption when starting.

http://www.f650gs.crossroadz.com.au/StarterCctRepair.html削除

2014/5/17(土) 午前 6:14ogw*og*2返信する

 

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