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Old 10-11-2013, 01:29 PM
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Batteries dying

What do you make of this?

Quote:
Tech Comments BAD BBATTERIES BATTERY 1 DTC CODE 14QJR WHBS0 980 ACE CODE XE76P BATTERY 2 DTC CODE 1 TOW IN NO START, DISCONNECT BOTH BATTERIES AND PERFORM BATTERY TEST ON EASCH BATTERY. BATTERY 1 11.95V 384 CCA BATTERY 2 12.05V AND 448 CCA, REPLACE BOTH BATTERIES PERFORM CHARGING TEST WITH NEW BATTERIES INSTALLED CHARGING 13.0 VOLTS AND 80 AMPS OK. ROADTEST OK
And again...

Quote:
MODULES NOT GOING INTO SLEEP MODE VERIFY CUSTOMER CONCERN BATTERIES TOTALLY DEAD. CHARGE BOTH BATTERIES AND TEST FOR AMPERAGE DRAW .08A DRAW REMOVE EACH FUSE ONE BY ONE TO ISOLATE AMPERAGE DRAW CIRCUIT COULD NOT ISOLATE CIRCUIT BY REMOVING FUSES. RECALIBRATE BODY CONTROL MODULE WITH UP TO DATE CALIBRATION AND RETEST TRUCK SAT FOR 4 DAYS AND BATTERIES STAYED CHARGED WITH NO
Slow crank.

Quote:
CK FOR A DRAW NONE FOUND ,CK OASIS ,NO HELP,UPDATE PCM,TCM ,NOX ,GPCM , TEST DRIVE FOR ANY PROBLEMS ALL OK
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  #2  
Old 10-22-2013, 06:39 PM
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We had a truck at work that had a dead cell in it (checked with a hydrometer) and wouldn't hardly start. Just replaced the battery and good to go.
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Old 10-22-2013, 06:44 PM
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I got a 6.0 that will drain my batteries when I would let her sit for more than 4 days at a time. Still have not figured it out. Even went as far as getting 2 new batteries from Advance Auto Parts with the same result. Starting to wonder if my FCIM is causing it.
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Old 10-23-2013, 06:22 PM
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Quote:
Originally Posted by Targo View Post
What do you make of this?



And again...



Slow crank.



Is this on a C&C truck?..
We have had this issue out of several of our service trucks. Initially thought it was something on the service body. Finally realized some of the modules in the truck fail to go into sleep "reduced power" mode. Dealerships have messed with them some, and have had some success.
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  #5  
Old 11-22-2013, 08:44 PM
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a couple guys have found bad/intermittent alternator regulators killing batteries. in one case the field was staying energized
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