07 Escalade Battery Drain

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Thread: 07 Escalade Battery Drain

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    07 Escalade Battery Drain

    Hello. I own a 07 Cadillac Escalade ESV and I bought it used in 09. I had a one time issue five months ago with the battery going dead after 3 days of not starting the car. I Jump started the car and it seemed okay for a while. And then recently I haven't started the car in about a month and I found the battery dead again.

    I'm not very experienced in fixing cars but after doing a little research online it seems like the car might have a electrical drain by a component in the car, or a problem with the alternator (although probably not). I plan to try replacing the battery with a new one and seeing if the problems occurs again.

    What would be the best step to take? I read online that for many, the dealership had hard time finding the electrical leak and since my problem occurs inconsistently I thought replacing the battery would be the better option.

    Any advice would be appreciated.

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    Re: 07 Escalade Battery Drain

    The Escalade (and many other vehicles) will run down any battery if it's not started but once a month.

    Dealers are instructed before the units are sold to disconnect batteries on units that arent' started regularly. I would think once or twice a week is a minimum.

    You need a trickle charger or to disconnect that battery when not in use for that length of time.

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    Re: 07 Escalade Battery Drain

    Dead battery is NOT normal!
    There is a TSB for battery drain on 07+ GM trucks/SUVs.
    Needs a BCM/RAP module reflash with the Tech 2 machine.

    This was done to my 07 Silverado a while back under warranty.

    Document ID# 2009971
    2007 Chevrolet Silverado - 4WD



    Subject: Intermittent Low Battery Voltage, Engine Will Not Crank, Cranks But Will Not Start, Charging System Light On, Service Battery Charging System Message DIsplayed, DTC B1405, B1516 Set (Reprogram BCM) #06-06-03-013B - (09/11/2007)



    Models: 2007 Cadillac Escalade Models
    2007 Chevrolet Avalanche, Silverado, Suburban, Tahoe
    2007 GMC Sierra, Yukon Models
    1500 and 2500 Series Vehicles Only

    This bulletin is being revised to add step 11 to the Additional Diagnostic Tips section. Please discard Corporate Bulletin Number 06-06-03-013A (Section 06 -- Engine/Propulsion System).

    Condition
    Some customers may comment of one or more of the following conditions:
    • Charging system light on
    • Service battery charging system message displayed
    • Intermittent low battery voltage
    • Vehicle will not crank
    • Vehicle cranks but will not start

    • Diagnostic Trouble Codes (DTCs) B1405 and/or B1516 may be set
    Cause:
    This condition may be caused by Body Control Module (BCM) calibrations that create a lower battery state of charge than intended in low electrical power usage modes.

    Correction:
    Do This: Reprogram the BCM
    Don't Do Thiso NOT replace the BCM or battery current sensor.


    A revised calibration has been developed to address these conditions. Technicians are to reprogram the BCM using SPS with the latest software available on TIS2WEB. Refer to the Body Control Module Programming and Setup procedure in SI (Document ID# 1741198). As always make sure your Tech 2® is updated with the latest software version.
    Additional Diagnostic Tips
    Usually if a vehicle will start and then not start in a very short period of time, the condition may be created by a loose or corroded connection. In most situations a battery in a good state of health cannot be drained within minutes without a major and most likely very obvious short. The following items are also possible areas of starting and charging system concerns and should be considered as a part of your diagnosis. For more information refer to the Symptoms -- Engine Electrical diagnostic procedure in SI (Document ID# 1703276).

    Verify the battery cable connections. It is possible for the negative or positive terminal connector nut to tighten without making a good electrical connection on the battery terminal. The top of the negative battery post should be slightly above the top of the cable clamp.
    Verify the battery condition and state of charge using the Midtronics tester and a VAT40 or equivalent tester. Refer to the following diagnostic procedures in SI for additional information.
    • Battery Common Causes of Malfunction (Document ID# 1703244)
    • Battery Inspection/Test (Document (ID# 1703241)
    • Battery Charging (Document ID# 1703243)

    Verify proper operation of the charging system. Refer to the Charging System Test procedure in SI (Document ID# 1703783).
    Verify that the vehicle does not have a parasitic battery drain. Refer to the Battery Electrical Drain/Parasitic Load Test procedure in SI (Document ID# 1741191).
    Verify that the front and/or rear Heating, Ventilation and Air Conditioning (HVAC) blower motor turns off with the key in the OFF position. If the blower motor stays on, refer to the Blower Motor Always On diagnostic procedure in SI (Document ID# 1701247).
    Ask the customer if they use the accessories (Radio, DVD player, etc.) with the key in the ON position but with the engine off. This may contribute to a low battery state of charge and difficulty cranking the engine. If the customer uses their accessories with the engine off ask them to turn the key to the ACC position instead of the ON position.
    If the vehicle is equipped with aftermarket accessories, verify that they are not a source of concern. Remove or disable if necessary and retest the vehicle. Refer to the Checking Aftermarket Accessories procedure in SI (Document ID# 816776).
    Verify that there are no loose connections at the 175 amp mega fuse.
    Verify that the Retained Accessory Power (RAP) system is operating properly. The radio and accessories should shut off once the key is removed from the ignition and the driver's door is opened. For more information refer to the Retained Accessory Power (RAP) Malfunction procedure in SI (Document ID# 1776533).
    Refer to the following Bulletins and PIs for additional areas of concern.
    • A fuel pump relay sticking concern. Refer to Corporate Bulletin number 06-06-03-011B.
    • An ignition switch concern and a loss of GM LAN data due to an unwanted ground. Refer to Corporate Bulletin 06-08-45-010.
    • A rear door lock relay sticking concern. Refer to Preliminary Information bulletin PIT3984 (Document ID# 1820437).

    Check circuit 1240 (Red/White wire) for a short to ground in the driver side or circuit 1340 (Red/White wire) passenger side "B" pillar area near the seat belt retractor. See Document ID# 1740425 for a copy of the wiring diagram for circuit 1240 that goes to the driver side and circuit 1340 that goes to the passenger side windows.
    Caution: Circuit 1240 is protected by a 25 amp circuit breaker (LT DRS) and may be hot to the touch if the circuit is shorted to ground.

    Circuit 1340 is protected by a 25 amp circuit breaker (RT Doors) and may be hot to the touch if the circuit is shorted to ground.

    Here is another:
    Technical Service Bulletins Summary

    Make: CHEVROLET
    Model: SILVERADO 1500
    Year: 2007

    Service Bulletin Number: 060603009
    NHTSA Item Number: 10020948
    Summary Description:
    DIAGNOSTIC INFORMATION ON BATTERY DRAW NO START - BODY CONTROL MODULE, BCM POWER TIMER. *KB
    Last edited by sonjaab; 02-12-2011 at 12:13 PM.

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    Re: 07 Escalade Battery Drain

    Dead battery is not normal for cars that are routinely started and run.

    It is very normal for cars that aren't run for a month at a time. That's why GM won't warranty batteries on unsold cars in stock at a dealership. The dealer is supposed to either start the cars and keep a logbook by VIN and date of when it was done, or disconnect the batteries until the cars are sold.

    It's in the Policies and Procedures manual in every service manager and dealer's office under "Storage of New Inventory" I believe.

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    Re: 07 Escalade Battery Drain

    No way!

    My old Z-28 with a 2 yo Sears cheapie $49 dollar battery that has been buried in the snowbank out back since Dec. started just fine yesterday when I moved it to plow ...................
    My 07 Caddy also hasn't been started in a month and fired right up and its been parked behind the Z ! That one has the original Delco battery.

    The kids Olds with the $pendy new Diehard was the one that needed the jump tho!
    LOL..............Figures !!!!

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    Re: 07 Escalade Battery Drain

    Props to you.

    But according to the manual, it's not normal. Hence they tell the dealer to disconnect the battery under those circumstances.

    And they know lazy dealers don't start the vehicles like they should. Hence they don't warranty batteries on vehicles in stock.

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