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04 rendezvous

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  #1  
Old 11-15-2022, 04:07 PM
Kpartridge214's Avatar
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Default 04 rendezvous

New battery and ignition switch
radio speakers only works when door is open and vehicle Off Power seats don't Work Power mirrors dont Work Occasional hum from rear driver door Panel Back electric hatch doesn't Work door chime Awd disable low tire pressure and antilock lights onRelays for retaining power and such all checked. Fuses all checked. I think at least
I Have response with body control module... Sounds like a door module or ground bus issue somewhere. Can anyone help please.
 
  #2  
Old 11-16-2022, 08:00 AM
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When we get a series of codes/problems all at once, good possibility of a poor ground connection.
If all those check out ,BCM, (Body Control Module) may have a problem.

A good scan tool should be able to check module health and help here.
 
  #3  
Old 11-16-2022, 08:02 AM
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It's not bcm. Any idea of where bad ground would be
 
  #4  
Old 11-17-2022, 04:27 AM
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Just like I can't tell you it is, or is not, the BCM, how did you determine it is not the BCM ?

As far as ground connections, they are all over the place and the best way is to loosen them, clean them and reinstall them.

Start at the battery negative cable and look for any and all wires that connect to sheet metal and engine castings.They are pretty easy to spot
 

Last edited by hanky; 11-17-2022 at 04:31 AM.
  #5  
Old 11-17-2022, 04:33 AM
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Originally Posted by hanky
Just like I can't tell you it is, or is not, the BCM, how did you determine it is not the BCM ?

As far as ground connections, they are all over the place and the best way is to loosen them, clean them and reinstall them.

Start at the battery negative cable and look for any and all wires that connect to sheet metal and engine castings.They are pretty easy to spot

I appreciate the replies but they are very generic and not exactly what I'm looking for. Anyone can trace grounds and leads if you have 20 hours to diagnose. I'm looking for who had the same issues and where it was
Some lead me to wires next to emergency brake. Some.lead me inside driver door. Etc
​​​​​​Bcm ruled out by mechanic who diagnosed it first time
 
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