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Old Sep 2, 2019 | 05:19 PM
  #1  
Slash1151's Avatar
Slash1151
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Default Help!

I recently found a few codes on my car. I hope someone can give me a few ideas to resolve them. Here are the codes

u1000h
u1064h
p1518hc
po650hc

the car has a service engine light on and has said reduced power, low voltage, and charging system failure. I tested the battery and it’s showing 12 volts. The alternator test good as well. Any tips or Advice are greatly appreciated.
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Old Sep 2, 2019 | 06:05 PM
  #2  
JR-01's Avatar
JR-01
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12 volts is only 25% charge. Should be 12.6 volts. Sounds like a weak battery. Sort that out first.
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Old Sep 3, 2019 | 01:53 AM
  #3  
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Originally Posted by Slash1151
I recently found a few codes on my car. I hope someone can give me a few ideas to resolve them. Here are the codes

u1000h
u1064h
p1518hc
po650hc

the car has a service engine light on and has said reduced power, low voltage, and charging system failure. I tested the battery and it’s showing 12 volts. The alternator test good as well. Any tips or Advice are greatly appreciated.
As mentioned by JR 12v is too low. You should have it first load tested at an auto part store.

Always mention the car year and whether manual or auto when posting here.

Code with an h at the end means history. There is/was a problem at one time. You should delete code. If it returns, then there is an issue.

U1000h - U1000 Loss of Communication Undetermined
u1064h - Loss of Communication with BCM
p1518hc - PCM to TAC Module Serial Data Circuit
po650hc - MIL Control Circuit

Here is a list of DTC codes:
Attached Images
File Type: pdf
C5 DTC Codes.pdf (89.2 KB, 101 views)
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Old Sep 3, 2019 | 04:38 AM
  #4  
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Moved to C5 Tech.
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