Technicians may find the diagnostic trouble code (DTC) P305F: Dual Battery Control Module Performance has been set in the Engine Control Module (ECM). It uses a large network of sensors, solenoids, sending units, and other electronic components to both receive and send information which enables the vehicle to run at peak performance. First introduced in the 2014 model year, the following models offer a Stop/Start system: 2014-2018 Malibu; 2015-2018 Impala; 2016-2018 Encore, Envision, CT6, Cruze; 2017 Verano; 2017-2018 LaCrosse, Regal, ATS, CTS, XT5, Trax, Acadia (VIN N); and 2018 Equinox and Terrain. The SSCCM controls the charging and discharging of the capacitors and communicates with the ECM. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. The high voltage drop caused by current drawn during an engine restart is compensated by the voltage provided by the two double-layer capacitors, which store energy in an electric field. Among them, the battery-assisted Malibu Eco trim is discontinued, while OnStar now features 4G LTE connectivity, allowing the Malibu to serve as a WiFi hotspot. It's hard to tell when the battery is on the verge of failing, because they are so reliable until they finally stop working. Brake booster vacuum is less than 40 kPa (6 PSI). Dual Battery Control Module Meltdown iATN Members: ... Find a nearby iATN member to repair your vehicle : Vehicle Data 2015 Chevrolet Malibu LT 2.5L . 2017 Chevy SS Sedan • 6.2L LS3 V8/6-Speed Manual, Is this a problem with my 2014 Malibu, I took mine to dealer, they ran diagnostics and said battery cables were loose and cleared me. Easy to use parts catalog. The Engine Control Module (ECM) monitors a number of inputs — such as the engine coolant temperature, vehicle speed, hood ajar switch, brake booster vacuum, battery current, brake pedal position, accelerator pedal position, and engine speed — to determine when the engine should be turned off. For more detailed information, refer to each of the features which can be found later in this owner manual. The following conditions will enable an engine restart. Battery state of charge is less than 73% (changes with state of health). Check out free battery charging and engine diagnostic testing while you are in store. The dual battery control module switches the 12 V primary battery and 12 V auxiliary battery in and out at appropriate times to support vehicle loads and battery charging. These numbers show why the Stop/Start system (RPO KL9) has grown to become standard equipment on many GM models. Dual Battery Control Module Meltdown. I agree there's no way the same control module goes bad 3 times on a 5 year old car without something else causing the problem. However, you can't replace the DBIM itself. Order Battery Current Sensor for your 2015 Chevrolet Malibu and pick it up in store—make your purchase, find a store near you, and get directions. The power supply transformer monitors battery voltage and provides a boost of voltage when the engine restarts to ensure proper operation of the radio, instrument cluster and other components. The capacitors are switched in series to the standard battery and are controlled by the Stop/Start Capacitor Control Module (SSCCM). Following a redesign in 2013 and several updates last year, the Chevrolet Malibu sees only minor changes for 2015. The "dual battery control module" keeps going out. Mine works fine except I get the same code you did and my radio goes off every time it stops and starts back, John '15 1LT 2.5 - '16 Equinox LTZ 3.6 AWD - '11 Tahoe LTZ - '20 Traverse High Country, Is the little battery in the trunk in good condition ? Next day check iengine light came back on with same problem. Auxiliary Power Supply In a vehicle with a manual transmission, the driver depresses the clutch pedal. The DC to DC system that features a power supply transformer. Your email address will not be published. Once the brake pedal is released or the accelerator pedal is depressed, the engine will restart. 2015 Chevy Impala Transmission Recall Download Image! Join now! Need a meter to check if trunk battery is getting charged when engine is running. In normal operating mode, the module connects the battery to chassis ground. Climate Control Systems on page 8-1. Programming Radio Software – Check the Build Number, Top XFuel Earners Recognized as Mark of Excellence Xccelerate Pilot Program Ends, GE-52250 PowerSmoke Diagnostic Leak Detector Warranty Upgrade (U.S.), Speed Limited Due to Low Transmission Fluid, Cleaning and Disinfecting Infotainment Screens, Uneven or Leaning Air Ride Adaptive Suspension, Latest Dealer Infrastructure Guidelines Released for 2021, AFIT Adapter Cable Identification and Vehicle Application Chart, J-38125 Terminal Repair Kit Update Procedure, Enhanced Starter Motor Operation in Engine Stop/Start Systems, Identifying Stand-Alone Keys and Key Fobs with the EL-52545 TPMS and RF Tool. The Dual Battery Control Module switches primary and auxiliary batteries in and out at appropriate times to support vehicle loads and battery charging. Ambient and engine coolant temperature correlation must meet specified values. That's what powers everything when it auto stops. Required fields are marked *. Radio Programming – Calibrations or Software? Look at the picture below and notice that battery. The vehicle must be in Drive to turn off the engine. Dual Automatic Climate Control System on page 8-3. Order Chevrolet Silverado 1500 A/C Control Module online today. Vehicle speed is less than 3 MPH (5 km/h). 1), making it easy to match the fob with a vehicle in the dealership’s […], When 2018-2021 GM models equipped with an Infotainment 3 System (RPO IOR, IOS, IOT, IOU, IOV) (Fig. For example, pulling the bags out of a rental vehicle and something in the trunk caught me eye. … This preliminary information communication advises the technician that the battery energy control module and generator control and battery module will remain on restriction through the general motors technical assistance center.