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      05-07-2014, 02:54 AM   #89
Dannys M3
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Can you help with this code?
27BB Fuel system diagnostic bank 2

Thanks
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      05-07-2014, 06:22 AM   #90
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Hi guys

Can someone please tell me in simple terms what the below means... Other than my car is knackered!

2739 - Secondary air Mini-HFM electr Diagnostic
27C5 - Secondary air mini-HFM Plausibility

Thansk for your help.

M
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      05-07-2014, 10:29 PM   #91
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27bb - P0174, P0175, P2179, P2180

27BB - P0174

27BB - P0174
Information saved inDME
Fault code27BB - P0174
Fault textFuel system, lambda/charge plausibility, bank 2
Fault descriptionSystem Too Lean (Bank 2)
Condition for fault identificationTest condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX
Terminal condition: Engine running
Voltage condition: None
Condition for fault memory entry10000 ms
Action in service1. Check the fuel system for leaks
2. System test routine
3. HFM and charge path must be flawless.
4. Defective fuel pressure sensor
Fault effect and breakdown warningMIL on after engine runs 2x
Driver informationWarning light: MIL
Service instructionNone



27BB - P0174

27BB - P0174
Information saved inDME
Fault code27BB - P0174
Fault textFuel system, lambda/charge plausibility, bank 2
Fault descriptionSystem Too Lean (Bank 2)
Condition for fault identificationTest condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX * expansion factor (KL_FPLAU_OBD_LAM_CSS_F)
Terminal condition: Engine running
Voltage condition: None
Condition for fault memory entry10000 ms
Action in service1. Check the fuel system for leaks
2. System test routine
3. HFM and charge path must be flawless.
4. Defective fuel pressure sensor
Fault effect and breakdown warningMIL on after engine runs 2x
Driver informationWarning light: MIL
Service instructionNone



27BB - P0175

27BB - P0175
Information saved inDME
Fault code27BB - P0175
Fault textFuel system, lambda/charge plausibility, bank 2
Fault descriptionSystem Too Rich (Bank 2)
Condition for fault identificationTest condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX
Terminal condition: Engine running
Voltage condition: None
Condition for fault memory entry10000 ms
Action in service1. Check the fuel system for leaks
2. System test routine
3. HFM and charge path must be flawless.
4. Defective fuel pressure sensor
Fault effect and breakdown warningMIL on after engine runs 2x
Driver informationWarning light: MIL
Service instructionNone



27BB - P0175

27BB - P0175
Information saved inDME
Fault code27BB - P0175
Fault textFuel system, lambda/charge plausibility, bank 2
Fault descriptionSystem Too Rich (Bank 2)
Condition for fault identificationTest condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX * expansion factor (KL_FPLAU_OBD_LAM_CSS_F)
Terminal condition: Engine running
Voltage condition: None
Condition for fault memory entry10000 ms
Action in service1. Check the fuel system for leaks
2. System test routine
3. HFM and charge path must be flawless.
4. Defective fuel pressure sensor
Fault effect and breakdown warningMIL on after engine runs 2x
Driver informationWarning light: MIL
Service instructionNone



27BB - P2179

27BB - P2179
Information saved inDME
Fault code27BB - P2179
Fault textFuel system, lambda/charge plausibility, bank 2
Fault descriptionSystem Too Lean Off Idle (Bank 2)
Condition for fault identificationTest condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX
Terminal condition: Engine running
Voltage condition: None
Condition for fault memory entry10000 ms
Action in service1. Check the fuel system for leaks
2. System test routine
3. HFM and charge path must be flawless.
4. Defective fuel pressure sensor
Fault effect and breakdown warningMIL on after engine runs 2x
Driver informationWarning light: MIL
Service instructionNone



27BB - P2179

27BB - P2179
Information saved inDME
Fault code27BB - P2179
Fault textFuel system, lambda/charge plausibility, bank 2
Fault descriptionSystem Too Lean Off Idle (Bank 2)
Condition for fault identificationTest condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX * expansion factor (KL_FPLAU_OBD_LAM_CSS_F)
Terminal condition: Engine running
Voltage condition: None
Condition for fault memory entry10000 ms
Action in service1. Check the fuel system for leaks
2. System test routine
3. HFM and charge path must be flawless.
4. Defective fuel pressure sensor
Fault effect and breakdown warningMIL on after engine runs 2x
Driver informationWarning light: MIL
Service instructionNone



27BB - P2180

27BB - P2180
Information saved inDME
Fault code27BB - P2180
Fault textFuel system, lambda/charge plausibility, bank 2
Fault descriptionSystem Too Rich Off Idle (Bank 2)
Condition for fault identificationTest condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX
Terminal condition: Engine running
Voltage condition: None
Condition for fault memory entry10000 ms
Action in service1. Check the fuel system for leaks
2. System test routine
3. HFM and charge path must be flawless.
4. Defective fuel pressure sensor
Fault effect and breakdown warningMIL on after engine runs 2x
Driver informationWarning light: MIL
Service instructionNone



27BB - P2180

27BB - P2180
Information saved inDME
Fault code27BB - P2180
Fault textFuel system, lambda/charge plausibility, bank 2
Fault descriptionSystem Too Rich Off Idle (Bank 2)
Condition for fault identificationTest condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX * expansion factor (KL_FPLAU_OBD_LAM_CSS_F)
Terminal condition: Engine running
Voltage condition: None
Condition for fault memory entry10000 ms
Action in service1. Check the fuel system for leaks
2. System test routine
3. HFM and charge path must be flawless.
4. Defective fuel pressure sensor
Fault effect and breakdown warningMIL on after engine runs 2x
Driver informationWarning light: MIL
Service instructionNone
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      05-07-2014, 10:37 PM   #92
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27c5 - P2430

27C5 - P2430

27C5 - P2430
Information saved inDME
Fault code27C5 - P2430
Fault textAir-mass sensor, secondary air, plausibility
Fault descriptionSecondary Air Injection System Air Flow/Pressure Sensor Circuit (Bank 1)
Condition for fault identificationTest condition: sls_obd_max after 10 sec. SLS operation under KL_SLS_OBD_HFM_DIAG_MIN or after 20 sec. SLS_operation sls_obdh_mdf_max_intg_norm < K_SLS_OBDH_EUV_MIN_DEF and higher exhaust gas lamda
Terminal condition: Engine running
Voltage condition: Battery voltage > 10.8 V (k_sls_obd_ub_min)
Condition for fault memory entry30000 ms
Action in service1. Remove secondary air line from secondary air pump
2. Conduct test routine
3. If secondary air pump runs/air flows out, and error is still logged, replace the mini-HFM
Fault effect and breakdown warningMIL is on after 2x engine cold start
Driver informationWarning light: MIL
Service instructionNone
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      05-07-2014, 10:41 PM   #93
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Quote:
Originally Posted by Dannys M3 View Post
Can you help with this code?
27BB Fuel system diagnostic bank 2

Thanks
27BB - P0174, Post-91
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      05-07-2014, 10:42 PM   #94
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Quote:
Originally Posted by F16RCE View Post
Hi guys

Can someone please tell me in simple terms what the below means... Other than my car is knackered!

2739 - Secondary air Mini-HFM electr Diagnostic
27C5 - Secondary air mini-HFM Plausibility

Thansk for your help.

M
2739 - P2430, Post-60
27C5 - P2430, Post-92

Two different codes, but kind of look like the same thing. They share the same "P" code.
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      05-08-2014, 01:05 AM   #95
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Great thread. THanks.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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      05-08-2014, 04:18 PM   #96
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something about these:
271C
2761
2762
Vanos ???

thanks
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      06-06-2014, 11:30 PM   #97
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Unknown codes... please help

Hi,

Can anybody help me?
I got these codes on my 2011 M3:
5A72
5A73
5A74
The transmission is acting up.
Thanks,
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      06-16-2014, 09:26 PM   #98
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27c9 - P0160

27C9 - P0160

27C9 - P0160
Information saved inDME
Fault code27C9 - P0160
Fault textOxygen sensor behind catalytic converter, bank 2, signal
Fault descriptionO2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)
Condition for fault identificationTest condition: Sensor voltage lank_us_b2 > K_LANK_USM and lank_us_b2 < K_LANK_USF for at least K_LANK_DIAG_OL_T
Terminal condition: Engine running
Voltage condition: Battery voltage > 9V (k_ed_ubmin)
Condition for fault memory entry16 sec.
Action in service1. Check plug and wiring harness on post-cat sensor LSNK B2
2. If OK replace sensor
Fault effect and breakdown warningMIL on after engine runs 2x
Driver informationWarning light: MIL
Service instructionNone
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      06-21-2014, 09:19 PM   #99
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Some help on this: 2712 and what does the CDB6 mean exactly?
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      06-26-2014, 10:49 PM   #100
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271C - P000C

Information saved in
DME

Fault code
271C - P000C

Fault text
VANOS control, intake bank 2

Fault description
'A' Camshaft Position Slow Response (Bank 2)

Condition for fault identification
Test condition:
Oscillating controller > 3.0 °Crankshaft
Terminal condition: Terminal 15
Voltage condition:
Battery voltage > 9V (k_ed_ubmin)

Condition for fault memory entry
1

Action in service

Clear fault memory, VANOS system test
Check valves, check adjuster

Fault effect and breakdown warning
MIL on after engine runs 2x

Driver information
Warning light:
MIL
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      09-29-2014, 02:31 AM   #101
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Could someone explain a 279F error please.
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      09-29-2014, 11:15 AM   #102
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Are you sure it is 279F?

Quote:
Originally Posted by alpina-527 View Post
Could someone explain a 279F error please.
Are you sure it is 279F? My BMW ISTA software does not show that code. It has 279E, but not "F".
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      09-30-2014, 03:23 AM   #103
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Quote:
Originally Posted by HenryTav View Post
Are you sure it is 279F? My BMW ISTA software does not show that code. It has 279E, but not "F".
Yes, definitely 279F

I found reference to output fan A, but I've no idea what that is
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      09-30-2014, 04:09 PM   #104
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Quote:
Originally Posted by alpina-527 View Post
Yes, definitely 279F

I found reference to output fan A, but I've no idea what that is
That is weird, since my BMW software is updated until 05/14... What's the production year of your car? Let me know and I will check some sources I have. Also, it is an E92 right?

Last edited by HenryTav; 09-30-2014 at 04:16 PM..
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      10-01-2014, 05:41 AM   #105
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Quote:
Originally Posted by HenryTav View Post
That is weird, since my BMW software is updated until 05/14... What's the production year of your car? Let me know and I will check some sources I have. Also, it is an E92 right?
Yes, it's a 2008 E92 M3
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      10-01-2014, 07:17 PM   #106
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Post

Quote:
Originally Posted by alpina-527 View Post
Yes, it's a 2008 E92 M3
Ok, I found it.

There are two descriptions for this code.

1. 00279F DME: Activation , Fan A
a. It can be the electric cooling fan that is not operating properly. How I would diagnose it? A primitive way to test it - if you do not have the BMW scanner or any other scanner that can activate the cooling fan and hear it functioning - would be turning the AC on and check if the fan kicks in. After some time, parked and engine running warm, you should hear the fan increasing the speed. The E92 M3’s fan is very loud when it is activated at maximum speed (hot weather and AC on).

2. 00279F : Map Thermostat Mechanism
a. The thermostat opens when the engine is too hot and allows the cooler fluid to refrigerate the engine. The car PCM (powertrain control module) monitors how efficient the coolant system is working. One plausible situation is, for example, when the engine is hot, the computer activates the electric fan and the engine does not cool down, the computer might interpret it as the thermostat is not operating properly. Also, the PCM (powertrain control module) might assume the fan is not operating as it should.
b. How to test it? Monitor the engine coolant temperature. It is difficult to do it on M3 because the instrument cluster does not have a gauge for engine coolant temperature, only engine oil temperature. But, If you have any scanner, you might be able to check the coolant temperature. It should be around 200 to 210 Fahrenheit within several minutes.
Worth to mention: Thermostat issues were very common on old e46s and BMW used the same terminology to indicate coolant issues. I had cases where replacing the thermostat would cure the problem.

I hope I was able to help!

Regards,

Last edited by HenryTav; 10-07-2014 at 09:01 AM..
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      10-12-2014, 07:57 PM   #107
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Wow, this thread will be awesome after it's finished being compiled... Great job..
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      10-13-2014, 10:35 PM   #108
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were do i get the first series of numbers prior to the error code? for ex 27bo . .etc

is there any way to look up any kind of fault that could arise or is related to codes p0301 and p0491
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      10-17-2014, 05:57 PM   #109
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Honestly, I didn't get your question "first numbers prior the error code?". Can you be more specific?
Now, P0301 is a generic code for cylinder number 1 misfire and P0491 is Secondary Air Injection System Insufficient Flow (Bank 1). More information is needed to give you "a direction" to go with this.
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      10-17-2014, 05:58 PM   #110
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Quote:
Originally Posted by Finmysta View Post
Wow, this thread will be awesome after it's finished being compiled... Great job..
Nice set-up! Two Beemers! Beautiful cars!
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