Engine Controls - MIL ON/Various DTC's/Erratic Idle
SI B 13 07 10Fuel Systems
June 2010
Technical Service
SUBJECT
M57Y - MIL Is ON with DDE Zero-Quantity Adaptation Faults Stored
MODEL
E90 with the M57Y engine produced up to 5/31/2010
E70 with the M57Y engine produced up to 6/7/2010
SITUATION
When driving downhill (coasting off-throttle) at higher altitudes (above 3,300 feet) with cold external temperatures, the "MIL" or Service Engine Soon lamp comes on. The engine idle quality may then be somewhat erratic.
Any of the following zero-quantity adaptation faults are stored in the DDE:
^ 4AD5: Zero-quantity adaptation, injector, cylinder 1
^ 4AE5: Zero-quantity adaptation, injector, cylinder 2
^ 4AF5: Zero-quantity adaptation, injector, cylinder 3
^ 4B05: Zero-quantity adaptation, injector, cylinder 4
^ 4B15: Zero-quantity adaptation, injector, cylinder 5
^ 4B25: Zero-quantity adaptation, injector, cylinder 6
CAUSE
Unfavorable DDE software application
CORRECTION
Program the vehicle using ISTA/P 2.38.0 or a more recent version.
Vehicle integration (new): E89X-10-06-500 or later
Vehicle integration (new): E070-10-06-500 or later
Note that ISTA/P will automatically reprogram and code all programmable control modules that do not have the latest software.
For information on programming and coding with ISTA/P, refer to CenterNet / Aftersales Portal / Service / Workshop Technology / Vehicle Programming.
WARRANTY INFORMATION