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2008 Chevrolet Caprice Charging system

Tiny
HORAIRA
  • MEMBER
  • 2008 CHEVROLET CAPRICE
  • 6.0L
  • V8
  • RWD
  • AUTOMATIC
  • 147,000 MILES
While driving suddenly Alternator alarm appears in my info panel and later Battery saver mode was on
Then a alarm come saying "Service Charging system".
Next Morning I check with a volt meter.
Battery voltages
Engine OFF= 12.7 volts
Engine ON= 14.6 Volts
then I went on a drive same alarms appeared.
i stopped the vehicle and check the voltage while alarm was there it was 11.3 Volts.
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Tuesday, September 23rd, 2014 AT 8:37 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It may be belt slippage due to worn belt and tensioner recommended replacaenment for both is 60k otherwise have it scanned might be a body module
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Tuesday, September 23rd, 2014 AT 12:40 PM
Tiny
HORAIRA
  • MEMBER
  • 2 POSTS
Thanx for your response. Me being a beginner dont get what is body module.
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Tuesday, September 23rd, 2014 AT 1:20 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
There are several o these on the car one for brakes, body, pcm and they control different things. Body module controls things like lights, info systems etc.A pro has to hook his scanner up to see if anything is wrong with it.
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Tuesday, September 23rd, 2014 AT 2:57 PM

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