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April 1, 2014 Service bulletin

Check Control Messages Related to Battery Charge During Cold Ambient Temperatures

BMW technical service bulletin 610314 for 2007-2015 BMW X5, 2007-2015 BMW 328I and 2004-2015 BMW X3 and others.

Bulletin number
610314
Component
Equipment adaptive/mobility
Summary
Check Control Messages Related to Battery Charge During Cold Ambient Temperatures. On cold days with an outside ambient temperature of less than 15F, customers may notice a check control message related to the battery that is displayed on the instrument cluster and the control information display. Under these conditions, the vehicle starts. Various power management faults can be stored: 213901 - Power management: Reduction or shutdown of individual electrical consumer 8040BD - Reset or deactivation of Terminal 30F 8040B9 - De-activation of terminal 30B: Top start capability limit reached 8020E8 - Reset or deactivation of terminal 30F 800E89 - FRM: start capability limit reached with lights active during stationary mode 93076B - Deactivation of terminal 30B: upper start capability limit reached 93076A - Deactivation of terminal 15: upper start capability limit reached, but deactivation preventer active 93076C - Deactivation of terminal 30B: upper start capability limit reached, but deactivation preventer or legal loads active 930769 - Deactivation of terminal 15: upper start capability limit reached Note: When the outside temperatures drop below 46F, the charging system is switch to full charge. CAUSE The check control message (ID 229) is caused by a heavily discharged battery. The check control message is triggered when the current state of charge (SoC) of the battery approaches the minimum SoC that is required to start the vehicle (start capability limit). In low outside ambient temperatures, the start capability limit of the vehicle is higher. Therefore it takes more energy from the battery to start a cold engine. Without the early warning of the check control message, the current state of charge would drop below the start capability limit and the vehicle would not start. The vehicle's intelligent power management system actively takes measures to increase the charge of the battery, such as increasing idle speed and reducing or shutting

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