Need ABS Help on C5
Thread Starter
Team Owner
Joined: Sep 1999
Posts: 34,062
Likes: 4
From: Evans, GA
Need ABS Help on C5
I have 2004 Corvette coupe. Suddenly I have the ABS and the Anti-skid lights on the dash. The car has not been driven for a while.
The codes for TCS reads NO COMM
The battery is charged and very new.
Help
Where do I start?
Need diagram of ABS circuits and location of the ABS Module. I know where the ground points are on the front frame rails.
The codes for TCS reads NO COMM
The battery is charged and very new.
Help
Where do I start?
Need diagram of ABS circuits and location of the ABS Module. I know where the ground points are on the front frame rails.
Tech Contributor
Joined: Oct 1999
Posts: 41,058
Likes: 9,817
From: Charlotte, NC (formerly Endicott, NY)
No comm may mean there is an issue with the EBCM power/ground but could be an internal fault as well. G108 is the main power ground for the EBCM. G103 is the ground path for the BPMV that goes through the EBCM but doesn't affect the EBCM electronics.
First thing to do is to check the ABS fuses and G108 ground. Then check the EBCM power ground connections in the connector that attaches to the EBCM.
Bill
First thing to do is to check the ABS fuses and G108 ground. Then check the EBCM power ground connections in the connector that attaches to the EBCM.
Bill
Thread Starter
Team Owner
Joined: Sep 1999
Posts: 34,062
Likes: 4
From: Evans, GA
All grounds are operating as designed. Cleaned and reset all grounds. Still have the ABS light and the Stabilization lamp on the dash. Message is SERVICE VHICLE SOON.
Any guidance to help is appreciated.
Any guidance to help is appreciated.
