Engine Controls - MIL ON/Codes 2ADA/2ADB Set
SI B17 05 10Cooling Systems
May 2011
Technical Service
This Service Information bulletin supersedes SI B17 05 10 dated January 2011.
[NEW] designates changes to this revision
SUBJECT
N51 - EAC Sensor Faults
MODEL
E90, E92, E93 (3 Series) with the N51 engine
[NEW] E82 and E88 (1 Series) with the N51 engine
SITUATION
The "Service Engine Soon" lamp is on and one of the following faults is stored:
^ 2ADA - EAC Sensor, electrical fault, short circuit to plus or interruption
^ 2ADB - EAC Sensor, communication
CAUSE
Wiring or connection issue between the EAC sensor and the DME, or a faulty EAC sensor
CORRECTION
Check the wiring and connections between the EAC sensor and the DME as described in the diagnostic module test plan. If a wiring or connector repair is needed, please refer to the KSD2 for the appropriate defect code and claim separately using work time***.
If no fault can be found, replace the radiator and code as described below.
PARTS INFORMATION
NEW] WARRANTY INFORMATION