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Old 03-24-2012, 08:00 PM   #1
big_boss
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Join Date: Dec 2011
Location: St. Lucia
Posts: 21
My Ride: E46 3-Series
Help deciphering PA Soft codes - Check Fuel Supply System

2001 E46 318i ... M43B19

I've had my 318i for almost a month now. Imported it from Japan. It drove great for about 3 weeks then threw a check engine light. Around this time, the car started developing the "rough idle" problem (at traffic lights, coming to a stop, during really slow reversing, etc.)

I got my PA Soft scanner yesterday. Pulled the code then cleared it. After clearing the error, it felt like the rough idle issue basically went away. It would surface very sparingly but it wasn't a problem like before.

Anyways, this is the error the PA Soft scanner gave me. Can anyone decipher it?

DME -> AB/D1 - Check, fuel supply system
Shadow-memory:
AB/D1 - Check, fuel supply system
7E/00 - Signal, CAN ASC
82/00 - Signal, CAN IKE
83/00 - Signal, road speed
8D/00 - Oxygen-sensor control, control limit
91/00 - Misfire relevant to exhaust gas, cylinder 1
92/00 - Misfire relevant to exhaust gas, cylinder 2
93/00 - Misfire relevant to exhaust gas, cylinder 3
94/00 - Misfire relevant to exhaust gas, cylinder 4
98/00 - ECU self-test, E2PROM emulation
9B/00 - Misfire relevant to exhaust gas, total
9C/00 - Misfire with cylinder cutout at cylinder 1
9D/00 - Misfire with cylinder cutout at cylinder 2
9E/00 - Misfire with cylinder cutout at cylinder 3
9F/00 - Misfire with cylinder cutout at cylinder 4

EWS -> 23/3F - Toleration of changing code increased, key 2
0F/FF - Power on reset
33/3F - Toleration of changing code increased, key 3

ABS -> 14/00 - Wheel speed sensor front left start up detection
24/00 - Wheel speed sensor front right start up detection

A/C -> 1C/04 - AUC sensor
1E/02 - AUC heating

IKE -> D7/81 - Tank sensor 2
11/C4 - Thermal oil-level sensor

ZKE -> 0C/01 - Power window: Open circuit Motor or Relay Passenger side behind
Shadow-memory:
90/23 - Battery Voltage: Open circuit


Thanks in advance

Last edited by big_boss; 03-24-2012 at 08:34 PM.
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Old 03-25-2012, 01:46 AM   #2
BMWUSMC3051
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Wow mine as well get rid of it lol. Just kidding sound like a tune up and change of o2 sensors. CAN stands for control area network so something could be wrong with your computer or it could need updating, do a lil research on the codes and you should be able to get a definitive answer, way to many for me to tackle right now any one else want to give it a shot??
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Old 03-25-2012, 01:48 AM   #3
BMWUSMC3051
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Oh forgot easiest fix wheel speed sensor easy to find easy to replace YouTube it DIY.
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Old 03-29-2012, 09:52 AM   #4
big_boss
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Any more help deciphering thses codes? Just an update, it's been many days now and the CEL hasn't returned. The car is driving beautifully. Barely have any idle issues (though it will show up every once in a while).
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Old 03-29-2012, 11:27 AM   #5
jfoj
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Be careful and do not get too excited about all the of the shadow codes.

You may have a failing fuel pump or fuel pump relay that could have possibly caused a lot of these errors or even a bad load of fuel or a fuel filter that should be changed.

Suggest you do exactly as you are doing, check codes and save a log every so often, note the date and mileage, then clear codes and watch what happens. I would only consider taking action if the car is running poorly and/or there is a CEL light on.
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Old 03-29-2012, 11:35 AM   #6
shanneba
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You can use this site to decode your HEX BMW codes-
http://endtuning.com/bmwcodes.html

8D hex = 141 decimal

Figure out which DME version you have with PA soft (I don't know where it shows this info) and check the code.
I only saw the 141 code listed for one type of M43 ECM.

You could check your PA soft to view your short/additive and long term/multiplicative fuel trims.
Most likely you are running LEAN and have a vacuum leak in a hose or your rubber intake tubes leading to the throttle body.

All the misfire codes are very very likey due to your 8D code, fix it and the misfires and misfires with fuel cut off codes will likely disappear.
8D/00 - Oxygen-sensor control, control limit = CAUSE

What results:
91/00 - Misfire relevant to exhaust gas, cylinder 1
92/00 - Misfire relevant to exhaust gas, cylinder 2
93/00 - Misfire relevant to exhaust gas, cylinder 3
94/00 - Misfire relevant to exhaust gas, cylinder 4

9B/00 - Misfire relevant to exhaust gas, total
9C/00 - Misfire with cylinder cutout at cylinder 1
9D/00 - Misfire with cylinder cutout at cylinder 2
9E/00 - Misfire with cylinder cutout at cylinder 3
9F/00 - Misfire with cylinder cutout at cylinder 4

The toleration of key codes are most likely because you only use one key most of the time. There are only so many times (I think about a 1000) that one key can be used before the rolling codes are out of range for any other keys.
It can also happen if you are too far away from your car and press the lock or unlock buttons too many times without the key being able to communicate with the EWS.
Don't worry about these, they may not come back.
EWS -> 23/3F - Toleration of changing code increased, key 2
0F/FF - Power on reset
33/3F - Toleration of changing code increased, key 3

Don't even think about the wheel speed sensor error unless it comes back again.
It could have just been a tire on ice as you started from stop, nothing to really worry about unless it continues.
(I see these and wheel speed sensor "plausibility" errors on my car occasionally, usually during the winter months, but don't have any issues with my ASC/DSC/ABS)
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Old 06-24-2012, 03:18 PM   #7
BM3R 330
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BUMP for AUC HEATING code...?
My heater doesnt work and im trying to figure out what it is
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