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Username Post: Electro-Hydraulic Control Unit (EHCU)        (Topic#152744)
felixcajaput 
Forum Newbie
Posts: 48
felixcajaput
Loc: Akron, Ohio
Reg: 11-05-05
02-26-07 07:36 PM - Post#1106249    

Good Evening..

I would rather be working on my 62 chevy c-10, but my newer truck and i have a difference of opinion. I have a 2003 GMC Sierra 4WD 5.3L V8. Today as my wife was driving the truck and turning into a parking lot, the ABS light came on, and a funny noise was heard from underneath the truck.

I have located the noise, according the Haines Repair Manual, its called a Electro-Hydaulic Control Unit (EHCU). Anyway, this unit runs continously even when the truck is turned off. Any suggestions!?

The unit is clean and dry from foreign materials. I tried taking my truck to a couple local part stores (AutoZone & Advance) Neither one can check my codes, because of ABS lights are considered (Soft) codes. I have unplugged the unit so it will not continuously run. However now as some probably know it sounds bells intermitanly, making me think there is a short somewhere in the circuit.

I believe i can probably fix the problem myself but i don't want to just throw money at it. (That never seems to work.) And i don't want to be fooled if i take it to a dealer or service shop and again throw good money after bad.

I am hoping someone else has had this problem, and can help out. Any suggestions would be appreciated.

Thanks, - Jeff

 
redvett01 
Senior Member
Posts: 1145

Loc: Grayling, MI
Reg: 10-23-03
02-26-07 07:56 PM - Post#1106274    
    In response to felixcajaput

The problem is your module chec here http://www.modulemaster.com/
K1500 04 Silverado EXT


 
felixcajaput 
Forum Newbie
Posts: 48
felixcajaput
Loc: Akron, Ohio
Reg: 11-05-05
02-27-07 09:08 AM - Post#1106643    
    In response to redvett01

  • redvett01 Said:
The problem is your module chec here http://www.modulemaster.com/



Redvett01, YOU ARE A LIFE SAFER!!! Thank you for your suggestion. Soon as i get off work, i am going to disconnect and send my unit.

Thanks again..

 
redvett01 
Senior Member
Posts: 1145

Loc: Grayling, MI
Reg: 10-23-03
02-27-07 09:49 AM - Post#1106677    
    In response to felixcajaput

Glad to help.
K1500 04 Silverado EXT


 
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