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07 chevy uplander ran out of fuel,with 1/8 tank on way,to store now the battery save active displays when I attempt to start the van like,it set off an alarm. How can I get it running


Battery Saver Active
Refer to Charging System Description and Operation

Battery Saver Active
The BATTERY SAVER ACTIVE message will display on the driver information center (DIC) when the vehicle enters a load shed 2 event. Refer to Load Shed System Description and Operation for load shed 2 setting criteria.
Electrical Power Management
The electrical power management (EPM) is used to monitor and control the charging system and alert the driver of possible problems within the charging system. The EPM system makes the most efficient use of the generator output, improves the battery state-of-charge (SOC), extends battery life, and manages system electrical loads.
The load shed operation is a means of reducing electrical loads during a low voltage or low battery SOC condition.
The idle boost operation is a means of improving generator performance during a low voltage or low battery SOC condition.
Each EPM function, either idle boost or load shed, is discrete. No 2 functions are active at the same time. Idle boost is activated in incremental steps, idle boost 1 must be active before idle boost 2 can be active. The criteria used by the body control module (BCM) to regulate EPM are outlined below:

I dought you will be able to get it running , except by luck . The best thing you could do is have a qualified repair shop diagnose it . The first place to start would be to hook up to a factory diagnostic scan tool , Check for DTC'S - diagnostic trouble codes .

Jan 28, 2017 | 2007 Chevrolet Uplander

1 Answer

Just got my 2003 explorer sport trac dome light dont come on when you open the doors but they come on when you push the button to turn them on how do I get them to come on when I open the doors?????


The instrument cluster illuminates the interior lamps when an unlock signal is received from the vehicle security module. The illuminated entry feature will be canceled when any of the following conditions are met:
  • 25 seconds have elapsed since the illuminated entry feature was activated and the interior lamp control is not activated (door ajar or courtesy lamp switch on).
  • The instrument cluster receives a request from the vehicle security module (remote transmitter lock button pressed) and the interior lamp control is not activated.
  • The ignition is in the RUN or START position and the interior lamp control is not activated.
The instrument cluster illuminates the courtesy lamps when any door is open or ajar. The courtesy lamps shuts off when the doors are closed and the illuminated entry feature is not active or when the vehicle speed is greater than 5 mph (8 km/h). The interior lamps are not reactivated until the vehicle speed is less than 3 mph (5 km/h) and a new door open warning lamp signal is received.
The instrument cluster controls the courtesy lamps illuminated entry function by activating the battery saver relay.
The panel dimmer switch is integrated into the headlamp switch and controls the interior lamps by activating the instrument cluster through circuit 1034 (BK/WH).
The vehicle security module sends a signal to the instrument cluster on the UBP network circuit to indicate a request to turn the illuminated entry feature on or off.
The on-demand lamps, glove compartment assembly, homelink module, puddle lamps and illuminated vanity mirrors are controlled by the battery saver relay. The battery saver relay becomes active (relay coil is energized) when the instrument is in the awake mode, or in the sleep mode (relay coil is de-energized).

Nov 28, 2016 | 2003 Ford Explorer Sport Trac

1 Answer

I got a 02 buick new battery but my battery saver active com on the dis


Have your alternator checked. Also have the new battery load tested...even new ones are sometimes bad.

Aug 15, 2016 | Buick Cars & Trucks

2 Answers

ITS READING MESSAGE BATTERY SAVER ON


Your probably going to need to take to a dealer for this , I don't how much you know about modern automotive charging systems . Plus it would help to have a professional scan tool ! The charging system on you vehicle is computer controlled ! The engine control module (ECM) controls the generator through the generator L-terminal control circuit. The signal is a 5-volt pulse width modulation (PWM) signal of 128 Hz with a duty cycle of 0-100 percent. Normal duty cycle is between 5-95 percent. Between 0-5 percent and 95-100 percent are for diagnostic purposes. The following table shows the commanded duty cycle and output voltage of the generator:
The BATTERY SAVER ACTIVE message will display on the driver information center (DIC) when the vehicle enters a load shed 2 event. Refer to for load shed 2 setting criteria.
The electrical power management (EPM) system is designed to monitor and control the charging system and send diagnostic messages to alert the driver of possible problems with the battery and generator. This EPM system primarily utilizes existing on-board computer capability to maximize the effectiveness of the generator, to manage the load, improve battery state-of-charge (SOC) and life, and minimize the system's impact on fuel economy. The EPM system performs 3 functions:
It monitors the battery voltage and estimates the battery condition.


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It takes corrective actions by adjusting the regulated voltage.


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It performs diagnostics and driver notification
Load Shed 2 Start
--
Less Than 10.9 V
Battery has a net loss greater than 12 AH
Rear defrost, heated mirrors, heated seats cycled OFF for 50% of their cycle. The BATTERY SAVER ACTIVE message will be displayed on the DIC.
You have a charging problem or battery problem !

Feb 27, 2015 | 2006 Chevrolet HHR

1 Answer

What does if mean when battery saver is activated on 2004 Cadillac cts


Generally it means you are drawing more power than the alternator is putting out, or if the engine is off the stereo or some other accessory is drawing power. The battery saver is warning you that you have just enough power left to start the engine. Could also mean you have a bad battery connection or your alternator is not putting out over 13 volts. If the engine is idling with air conditioning and stereo on for any length of time it could also trigger this warning as the alternator at idle speed may be unable to keep the battery at full.

Jul 21, 2014 | 2004 Cadillac CTS

1 Answer

I have 2000 F-250 super duty with charging issues. Truck died on way to work. Put a new Ford alternator on it but still not charging. Took alternator to alternator shop to test. Tested good. Checked and...


Have the battery checked. There were a few years when Ford had an odd problem. The battery saver feature was designed to disconnect power draining equipment to leave you with enough juice to get the truck started. BUT it has been known to disconnect the charging system even at expressway speeds.

If the battery is weak enough to make the Alternator work too hard, the battery saver sees this as a power using problem and disconnects the charging circuit.

It is a sneaky problem and even using a battery charger the truck could be running and showing a charge, but disconnect the charger and it is a TIMED activation of the battery saver.. It activates after a few minutes and then your truck will discharge.

Another possibility is the plug-in for the small wires going to the alternator brushes. When you plug the plastic clip into the Alternator, the wires may not be sliding on the terminal. Often the wires ride up the plastic clip and fail to make contact with the terminal. In the store, they use their harness and clip and the terminal makes contact and works.

Oct 10, 2013 | Cars & Trucks

1 Answer

2008 chevy impala ltz wont start, first message: service stabilitrak, second message: battery saver active, what can i do to get it started?


have the battery ckecked then ck. 4 security codes and alt. output should be around 13.5 eng running

Jun 06, 2012 | 2008 Chevrolet Impala

2 Answers

Door panel lights wont turn off


push the door switches in by hand and see if the lights go out. Here's some diagnostic info:

Vehicles may be equipped with either a generic electronic module (GEM) or a central timer module (CTM) depending on vehicle options.
  • Vehicles with 4-wheel drive or the power group option will be equipped with a GEM.
  • Vehicles with 2-wheel drive and no power group option will be equipped with a CTM.
Courtesy Lamps The GEM and the CTM illuminate the interior lamps when any door is open or ajar. The interior lamps are: the interior lamp, the cargo lamp and the door courtesy lamp. The courtesy lamps will shut off when:
  • The doors are closed and the illuminated entry (GEM only) feature is not active.
  • The vehicle speed is greater than 15 mph (24 km/h). The interior lamps will not be reactivated until the vehicle speed is less than 10 mph (16 km/h) and a new door open warning lamp switch signal is received (GEM only).
The system inputs to the GEM/CTM are as follows:
  • The door open warning lamp switches. (Grounded when door is ajar; an open circuit when the door is closed.)
  • The vehicle speed sensor (VSS) input. (Sinusoid Wave: 0.7V-20V, 2.2 Hz/MPH [1.37 Hz/km/h] [GEM only].)
The system output to the GEM/CTM is as follows:
  • The interior lamp relay coil output. (Grounded when activated; open circuit when deactivated.)
Interior Lamp Relay The GEM and the CTM control the interior lamps and illuminated entry function with the interior lamp relay.
The relay is activated by applying ground to the relay coil through GEM C267-15, and is deactivated by removing the ground signal.
Panel Dimmer Switch The panel dimmer switch is integrated into the headlamp switch and controls the interior lamps by activating the interior lamp relay.
Illuminated Entry (GEM Only) The GEM illuminates the interior lamps when an unlock signal is received from the remote anti-theft personality (RAP) module. The illuminated entry feature will be canceled when any of the following conditions are met:
  • 25 seconds have elapsed since the illuminated entry feature was activated and the courtesy lamp feature is not activated.
  • The GEM receives a request from the RAP module (remote transmitter lock button pressed) and the courtesy lamp feature is not activated.
  • The ignition is in the RUN or START position and the courtesy lamp feature is not activated.
The illuminated entry inputs are:
  • RAP illuminated entry request. (Grounded pulse of varying length.)
  • Ignition switch in the RUN position. (Battery voltage on both the RUN and RUN/ACC inputs.)
The illuminated entry outputs are:
  • Interior lamp relay coil output. (Grounded when activated; an open circuit when deactivated.)
RAP Module The RAP module sends a signal to the GEM on the illuminated entry request circuit to indicate a request to turn the illuminated entry feature on or off. Circuit 1013 (BR/LG) is normally sent 12 volts by the GEM. The RAP module shorts this circuit to ground with a pulse of either of the following lengths:
  • 200 ms pulse from RAP receiver assembly requests illuminated entry ON (unlock button pressed).
  • 300 ms pulse from RAP receiver assembly requests illuminated entry OFF (lock button pressed).
GEM Sleep Mode The GEM and the CTM sleep mode deactivate all outputs to conserve battery power. Sleep mode is entered when the ignition has not entered the RUN or ACC position and 45 minutes has elapsed since the last wake-up input was received. In this mode, GEM current consumption is reduced to 5.0 mA or less. During sleep mode the GEM monitors the following wake-up inputs:
  • Both front door open warning lamp switches.
  • Ignition switch in the key-in, ACC and RUN position.
  • RAP illuminated entry request.
The GEM sleep mode outputs are:
  • None. (All circuits are deactivated during sleep mode.)
If a change in any of the above inputs occur while the GEM is asleep, the GEM will wake up and monitor all of its inputs and have the ability to activate any of its outputs.
The following components are under the control of the battery saver relay:
  • Interior lamp.
  • Engine compartment lamp.
  • Glove compartment lamp.
  • Panel dimmer switch.
  • Interior lamp relay.
The battery saver relay becomes active (relay coil is energized) when the GEM is in the awake mode, and is deactivated (relay coil is de-energized) in the sleep mode. The battery saver will remain active until the ignition switch is removed from the ACC or RUN position and 45 minutes have passed since the last active input was received (see sleep mode inputs). At that time, the relay will be deactivated and power to the above circuits will terminate.
The battery saver inputs are the GEM sleep mode inputs.
The battery saver output is the battery saver relay.
Inspection and Verification — GEM/CTM
  1. The interior lighting system is a generic electronic module (GEM)/central timer module (CTM) controlled system. Refer to Section 419-10 for additional information regarding GEM/CTM diagnostic strategies.
  1. Verify the customer concern by operating the interior lamps.
  1. Visually inspect for obvious signs of mechanical and electrical damage.


Visual Inspection Chart Mechanical Electrical
  • Switch(es)
  • Fuse(s) 14 (15A), 15 (5A), 4 (5A), 8(5A), and 103 (50A).
  • Wiring harness
  • Loose or corroded connector(s)
  • Circuitry open/shorted
  • Bulb(s)

  1. If the concern remains after the inspection, connect the New Generation STAR (NGS) Tester to the data link connector (DLC) located beneath the instrument panel, and select the vehicle to be tested from the NGS menu. If the NGS does not communicate with the vehicle:
    • check that the program card is correctly installed.
    • check the connections to the vehicle.
    • check the ignition switch position.

Oct 07, 2009 | 1999 Ford F250 Regular Cab

1 Answer

Fuse or what


Your multifunction switch on the steering column controls your exterior lights. The GEM module controls the interior lights and other stuff. If bad, it would not blow fuses. WHich fuse blows?
Your Ford dealer might be familiar with this issue, so call the service dept and ask them and get a quote. It may be wiring.
reoprt back.

  • The high beams are inoperative
  • Circuitry.
  • Multifunction switch.
  • Go To Pinpoint Test C .


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Principles of Operation
Generic Electronic Module (GEM) The generic electronic module (GEM) receives inputs from the following:
  • door ajar switches
  • liftgate ajar switch (wagon)
  • liftgate glass switch (wagon)
  • headlamp switch
  • keyless entry keypad switches
  • the powertrain control module (PCM) (vehicle speed signal)
  • ignition switch
  • remote keyless entry transmitter
The GEM uses these inputs to control the output to the battery saver relay and interior lamp relay. Both relays are integral to the central junction box (CJB) and cannot be accessed directly.
Interior Lighting Systems The GEM grounds the battery saver relay and interior lamp relay coils when any door ajar switch or the headlamp switch is closed. The interior lamp relay then supplies power to the interior lamp circuit. Vehicle speed must be less than 15 kph (9 mph) for the GEM to ground the interior lamp relay. The interior lamps will remain illuminated for a period of up to 25 seconds after all doors are closed or until the ignition is switched from the OFF position, or the GEM receives a vehicle speed signal. Actuating the interior lights from the headlamp switch will operate at any time.
Illuminated Entry Illuminated entry is activated when a keyless entry keypad switch provides ground on the GEM input or when the GEM receives an unlock signal from the remote keyless entry key fob. The GEM then provides ground to the battery saver and interior lamp relay coils. Illuminated entry is deactivated when the GEM receives a lock signal from the remote keyless entry key fob or if the GEM receives ground inputs from the keyless entry keypad switch lock code. Illuminated entry will also be deactivated when the GEM receives input voltage from the ignition switch.
Battery Saver The battery saver is activated when the GEM is not receiving voltage input from the ignition switch (off position). The GEM will then provide ground to the battery saver relay coil for a maximum of 30 minutes depending on the state of the interior lamp switch inputs to the GEM. The energized battery saver relay switches voltage to the demand lamp circuit and the interior lamp relay coil. After time-out, the GEM removes ground to the battery saver relay disabling the demand lamp circuit.
Puddle Lamps The puddle lamp relay operates reverse from the battery saver relay and the interior lamp relay. The puddle lamp relay coil receives voltage when the ignition switch is in the START or RUN position, which disables the circuit to the puddle lamps.
Inspection and Verification
  1. Verify the customer concern by operating the system.
  1. Visually inspect for obvious signs of mechanical and electrical damage.


Visual Inspection Chart Electrical
  • Battery junction box (BJB) fuse 101 (60A)
  • Central junction box (CJB) fuse 226 (10A)
  • Bulb(s)
  • Central junction box (CJB)
  • Generic electronic module (GEM)
  • Connectors
  • Circuitry



Feb 20, 2009 | 2003 Ford Taurus

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