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Discussion Starter #1 (Edited)
The Battery Is Dead and Needs Multiple Jump-Starts

SYMPTOM
The vehicle has sat for at least two days, has a dead battery, and needs multiple jump-starts to start the engine.
NOTE:

A dead battery could be normal depending on the battery condition, battery age, and how long the vehicle has sat. This software update will have no effect on these conditions.
A jump-start should only be used to get the vehicle to a service station or dealer. It should not be used to fully charge the battery.
There are many other possible causes that a vehicle needs multiple jump starts such as a faulty alternator, a faulty or sulfated battery, a parasitic draw, or loose battery cables.
If a battery is sulfated, the sulfate makes charging the battery more difficult. After the battery is properly charged, the effect of the sulfation is reduced so that in most cases, the battery will not need another jump start.

PROBABLE CAUSE
The vehicle’s battery sensor monitors battery condition and the PCM determines charging mode. Based on the sulfation of the battery and customer driving habits the PCM may not select the correct charge mode.

VEHICLES AFFECTED
2012 Civic 2-Door A/T: (DX, LX, EX ,EX-L)
From VIN 2HGFG3B..CH500001 thru 2HGFG3B..CH545051 (KL)
From VIN 2HGFG3B..CH500001 thru 2HGFG3B..CH544845 (KA)

2012 Civic 2-Door M/T: (DX, LX, EX, EX-L)
From VIN 2HGFG3A..CH500001 thru 2HGFG3A..CH544991 (KA)

2012 Civic 4-Door A/T: (DX, LX, EX, EX-L)
From VIN 19XFB2F..CE000001 thru 19XFB2F..CE063549 (KA)
From VIN 19XFB2F..CE300001 thru 19XFB2F..CE352629 (KL)
From VIN 2HGFB2F..CH500001 thru 2HGFB2F..CH563567(KL)

2012 Civic 4-Door A/T: (DX, LX, EX, EX-L)
From VIN 2HGFB2F..CH500001 thru 2HGFB2F..CH563701(KA)
From VIN JHMFB2F..CS000001 thru JHMFB2F..CS006549 (KA)

2012 Civic 4-Door A/T: (HF)
From VIN 2HGFB2F..CH5000001 thru 2HGFB2F..CH566371(KL)
From VIN 2HGFB2F..CH500001 thru 2HGFB2F..CH565568 (KA)

2012 Civic 4-Door M/T:
From VIN 2HGFB2E..CH500001 thru 2HGFB2E..CH563762 (KA)
From VIN 19XFB2E..CE000001 thru 19XFB2E..CE064072 (KL)

2012 Civic Hybrid:
From VIN JHMFB4F..CS000001 thru JHMFB4F..CS009670

2012 Civic Natural Gas:
From VIN 19XFB5F..CE000001 thru 19XFB5F..CE001625

2012 Civic Si 2-Door:
From VIN 2HGFG4A..CH700001 thru 2HGFG4A..CH703235

2012 Civic Si 4-Door:
From VIN 2HGFB6E..CH700001 thru 2HGFB6E..CH703684

CORRECTIVE ACTION
Update the PGM-FI Software.


 
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