Keyless Start System - Intermittent No Start And Key Detected SI B61 28 12 General Electrical Systems

2013 BMW 328i xDrive Sedan AWD (F30) L4-2.0L Turbo (N20) Copyright ? 2013, ALLDATA 10.52SS Page 1 Vehicle: All Technical Service Bulletins Keyless Start System - Intermittent No Start And Key Detected SI B61 28 12 General Electrical Systems August 2012 Technical Service SUBJECT Key Intermittently Not Detected and Not Possible to Start Engine MODEL F30 Produced from June 30, 2011 to July 1, 2012 SITUATION Intermittently it is not possible to start the engine. Terminal 15 cannot be switched on. The remote control key is not detected inside the vehicle. The following check control messages are displayed: ^ "Remote control not present or disrupted. Not possible to start engine" ^ "No remote control. Not possible to start engine" Note: The vehicle can still be started via the emergency start coil on the side of the steering column. CAUSE Front Electronic Module (FEM) software error CORRECTION Update the vehicle software using ISTA/P 2.47.2 or higher. PROCEDURE Do not replace parts. 1. Perform vehicle diagnosis using ISTA. Troubleshoot any related faults that are stored. Note: When the ISTA system message displays: "Battery voltage only "XX.XX" V. Please connect charger," please note the displayed battery voltage reading in the repair order comments section. 2. Program the vehicle using ISTA/P 2.47.2 or higher. 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 / Workshop Technology / Vehicle Programming. 2013 BMW 328i xDrive Sedan AWD (F30) L4-2.0L Turbo (N20) Copyright ? 2013, ALLDATA 10.52SS Page 2 WARRANTY INFORMATION