Check charging system light
30

Asked by Williab21 Aug 16, 2019 at 12:24 PM about the 2011 Ford Explorer XLT

Question type: Maintenance & Repair

The check charging system warning indicator is
coming on, I removed the alternator and had it
bench tested at local parts store and was told it
passed, while running and a multimeter connected
the voltage at the battery goes from 14.7 to 12.0V
randomly. It started about 3 weeks ago and it’s
becoming more consistent. I replaced the battery,
and both battery terminals, today I had it running
and had a multimeter connected and all the
warning lights went haywire and the dash lights
and radio kept going on and off? Could it be the
salty even though it tested good?

5 Answers
26,245

taver91 answered 4 years ago

Yes it could but I would also check all connections for corrosion and tightness - especially the ground connections.

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30

Williab21 answered 4 years ago

Checked all connections, replaced both terminal ends, replaced alternator and replaced battery current sensor on the negative cable. Light is still coming on!!!

2 people found this helpful.
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30

Williab21 answered 4 years ago

I have an Autel scanner that I used, no codes found. Ford scan tool may be able to communicate with more modules than mine. My scan tool only communicates with the ECU

1 people found this helpful.
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