Fault 118002 – Mixture Too Rich Sets During Winter With Cold Ambient Temperatures – 2014-2019 Mini

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SI M11 01 17
Engine
May 2019
Technical Service
FAULT 118002 – MIXTURE TOO RICH SETS DURING WINTER
WITH COLD AMBIENT TEMPERATURES
New information provided by this revision is preceded by this symbol .
This Service Information bulletin supersedes SI M11 01 17 dated May 2019.
What’s New:
• Target I-Level added for F60 PHEV
• Warranty information Attachment
MODEL
F54 (MINI Clubman)
F55 (MINI
Hardtop 4
Door)
F56 (MINI Hardtop 2
Door) F57 (Convertible)
F60 (MINI Countryman)
F60 PHEV
(MINI
Cooper S E
Countryman
ALL4)
Produced with the B36, B38, B46, B48, and XB2H engines.
SITUATION
The Service Engine Soon (MIL) light is on with the following fault stored in the Digital Motor Electronics
(DME).
FAULT CODE: Control Unit: Fault Code Text:
118002 DME Mixture control: Fuel-air mixture too rich
In the situation being described, the fault is only stored during the cold winter months along with the use of
winter fuel.
Note: Various other causes for a rich mixture fault are possible and should not be overlooked.
CAUSE
• DME software diagnostic is too sensitive
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• This situation is most likely to occur if the driving profile is one of frequent cold engine starts and/or
primarily short distance trips (idle / low load operation) where full engine operating temperature is not
reached.
• Due to the lower engine oil temperatures crankcase vapors that contain a higher fuel content are not
completely drawn off via the crankcase ventilation system.
• A false DME adaptation routine could then lead to this fault being set.
CORRECTION
1. Check for rich mixture condition
2. Program the vehicle with ISTA Next
3. Replace the engine oil
4. Inspect cylinder head cover and replace as needed
5. Quality Certification I (QC1) vehicle procedure
PROCEDURE
Do not replace any parts unless a definite failure is identified during diagnosis.
Perform diagnosis using the latest version of ISTA Next.
1. Check the current mixture adaptation:
Path: ECU function – DME / Diagnostic scan / 721 Mixture Adaptation
Note: Let the engine idle at operating temperature. If the mixture adaptation drops significantly
below 1.0 it indicates a rich mixture condition.
2. Replace the engine oil and filter on a warm engine.
Refer to SI M11 01 15: Engine Oil Quick Reference and Drain Plug Torque
Do not reset the CBS for engine oil service unless the oil service shows to be currently recommended
or due on the key reader.
3. Upgrade the vehicle software using ISTA Next 4.17.1x (became available late April 2019) to the
appropriate level shown below:
Programming is only required if the integration level is earlier than the target level.
All except vehicle equipped with the XB2H engine:
Model Target
F54 (Cooper Clubman) F056-19-03-540 or higher
F55 (Cooper Hardtop 4 door)
F56 (Cooper Hardtop 2 door)
F57 (Cooper Convertible)
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F60 (Cooper Countryman)
Vehicles equipped with the XB2H engine.
Model Target
F60 PHEV (MINI Cooper S E Countryman ALL4) F056-18-07-531 or higher
Note that ISTA Next will automatically reprogram and code all programmable control modules that do not
have the latest software.
Always connect a MINI-approved battery charger/power supply (SIM04 08 09).
For information on programming and coding with ISTA, refer to CenterNet / TIS / Technical Documentation /
Programming and Diagnostics / Programming Documentation.
Only for vehicles equipped with the B36 and B38 engine produced to October 31, 2015:
4. Inspect the version of the cylinder head cover
The older version is shown to the left.
The newer version is shown to the left
Note: This updated version can be identified by the additional
supports on crankcase ventilation ports
Replace the cylinder head cover and profile gasket if the older version is equipped.
Additional information may be found in FUB-HIL-HI-0009-A17 – Versions of the cylinder head cover
and M11 03 15
Only for vehicles which have not yet received the QC1 described in the model list above:
5. During the cold season, replace the engine oil as described in step #2 prior to delivering the vehicle to
the customer.
PARTS INFORMATION
Part Number Description Quantity
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11 42 8 570 590 Oil filter 1
83 21 2 365 955 MINI Original Engine Oil LL14FE+ 0W-20 B36/B38 – 4.25 liters
Or
83 21 2 365 955 MINI Original Engine Oil LL14FE+ 0W-20 B46/B48 – 5.5 liters
Refer to ETK Cylinder Head Cover 1
WARRANTY INFORMATION
Covered under the terms of the MINI New Passenger Car Limited Warranty.
Defect Code: 1042900100
Dealers that experience “Cold” Winter Months
• New vehicles in-stock only (No in-service date), just prior to the first delivery, fault code 118002 “is
not” set/stored in the DME
Labor Operation: Labor Allowance: Description:
11 99 000 3 FRU (All except the F57);
4 FRU (F57)
Work time to change the engine oil and filter
without a CBS data reset
Note: Only claim the engine oil and filter change as stated above when SI M01 02 15 (CBS Engine Oil
Service Task: New MINI Vehicles in Inventory/in Stock) does not apply.
Or:
All applicable vehicles that “have” fault code 118002 set/stored in the DME
Labor Operation: Labor Allowance: Description:
00 00 006 Refer to AIR
Performing “vehicle test” (with vehicle
diagnosis system – checking faults) (Main
work)
Or:
00 00 556 Refer to AIR
Performing “vehicle test” (with vehicle
diagnosis system – checking faults) (Plus
work)
And:
61 21 528* Refer to AIR Connect an approved battery charger/power
supply (indicated in AIR as “Charging battery”)
If you are using a Main labor code for another repair, use the Plus code labor operation 00 00 556 instead of
00 00 006.
*Claim 61 21 528 only when it is not included in another flat rate labor operation.
And, additionally for the:
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e-Vehicle
Labor Operation: Labor Allowance: Description:
61 25 910 Refer to AIR Recharging high-voltage battery unit (to high
voltage charging socket)
And, only if the:
Vehicle’s I-level is lower than 18-07-500
Labor Operation: Labor Allowance: Description:
61 00 730 Refer to AIR Programming/encoding control unit(s)
And, if applicable:
For MINI vehicles equipped with the B36 and B38 engine produced to October 31, 2015 only
Labor Operation: Labor Allowance: Description:
11 12 510 Refer to AIR Replacing cylinder head cover
And, together with the items above that apply:
Labor Operation: Labor Allowance: Description:
11 99 000 3 FRU (All except the F57);
4 FRU (F57)
Work time to change the engine oil and filter
without a CBS data reset
Note: Only claim the engine oil and filter change as stated above when SI M01 02 15 (CBS Engine Oil
Service Task: New MINI Vehicles in Inventory/in Stock) does not apply or when the engine oil service does
not show Recommended or Due.
Refer to AIR for the corresponding flat rate unit (FRU) allowances.
Work time labor operation code 11 99 000 is not considered a Main labor operation. Also, since the “work
time” FRU allowance to be claimed is specified, a separate punch time is not required. However, it still
requires an explanation on the repair order and in the claim comments section.
And:
Sublet – Bulk Materials
Sublet Code 4
See sublet
reimbursement
calculation below
Reimbursement for used quantities of required
operating fluids, including engine oil only when it is
not claimed under the MINI Maintenance Program
(applicable MINI part numbers). Please do not use
these part numbers for claim submission.
Sublet reimbursement calculation for claiming the used quantity applicable repair-related bulk materials (MINI
part numbers) is at the dealer net price plus your dealer’s handling.
Enter this material cost in sublet and itemize the amount on the repair order and in claim comment section.
Programming and Encoding – Vehicle Control Units
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During the same workshop visit, if a vehicle also requires another Technical Campaign or repair that also
includes programming and encoding the control units, the programming procedure may only be invoiced one
time.
A. The programming procedure automatically reprograms and encodes all vehicle control modules which do
not have the latest software i-level. If one or more control module failures occur “during” this programming
procedure:
• Please claim this “consequential” control module-related repair work under the defect code listed in this
bulletin with the applicable AIR labor operations.
Please explain this additional work (The why and what) on the repair order and in the claim comments
section.
B. For control module failures that occurred “prior” to performing this programming procedure:
• When “covered” under an applicable limited warranty, claim this control module-related repair work using
the applicable defect code and labor operations (including diagnosis) in AIR.
Overlapping Labor Procedure
If invoicing the AIR flat rate labor operation codes for other repair work results in overlapping labor, for those
flat rate labor operations that are affected, you are able to:
• Replace the stated AIR “FRU allowance” with a “reduced FRU value” to eliminate the overlapping labor.
For help in identifying the overlapping labor, please refer to the AIR FRU Plausibility Check (Overlapping
Labor Tool) that is located in the AIR Client.
Eligible other repair work being claimed under a different defect code will require separate punch times.
On the repair order and in the claim comment section, please identify and itemize those labor operations
being claimed with a “reduced FRU value.”
Other Repairs
If other eligible and covered work is performed after carrying out the ISTA diagnostics and other diagnosis,
claim this work with the applicable defect code and labor operations (including diagnosis) that are listed in the
AIR.
Posted: Monday, May 6. 2019
[ Copyright ©2019 BMW of North America, Inc. ]
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