C5 no comm code
Feb 13, 2016 | 02:42 PM
Thread Starter
6th Gear
Joined: Nov 2015
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C5 no comm code
Hey guys, I'm wondering what causes a no comm msg when trying to read codes?
Feb 13, 2016 | 03:10 PM
Le Mans Master
Joined: Sep 2013
Posts: 8,900
Likes: 1,074
From: Wisconsin
Quote:
Originally Posted by
Mall24
Hey guys, I'm wondering what causes a no comm msg when trying to read codes?
Is your battery 100% charged?
Feb 18, 2016 | 11:36 AM
Thread Starter
6th Gear
Joined: Nov 2015
Posts: 6
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Quote:
Originally Posted by
JR-01
Is your battery 100% charged?
Yes
Feb 18, 2016 | 11:38 AM
Thread Starter
6th Gear
Joined: Nov 2015
Posts: 6
Likes: 0
Quote:
Originally Posted by
8VETTE7
What sensor is the NO COMMS under????
There all reading no comm. my roof had a leak, the driver side had a puddle on the floor😩 But the passenger side isn't wet.
Feb 18, 2016 | 11:51 AM
Le Mans Master
Joined: Sep 2013
Posts: 8,900
Likes: 1,074
From: Wisconsin
Quote:
Originally Posted by
Mall24
There all reading no comm. my roof had a leak, the driver side had a puddle on the floor😩 But the passenger side isn't wet.
Are you saying when you pulled codes, there are no codes and the DIC just says "no comm"?
Feb 18, 2016 | 03:21 PM
Advanced
Joined: Sep 2014
Posts: 57
Likes: 2
From: Tampa Florida
I had a problem like this about a year ago, for me it ended up being corroded chassis grounds. It was tedious but I put new connectors and cleaned the ground points on the chassis and every thing went back to normal.
Feb 18, 2016 | 03:23 PM
Advanced
Joined: Sep 2014
Posts: 57
Likes: 2
From: Tampa Florida
but i would start with what 8Vette7 said as it is much easier to check than all of your grounds
