ABS Code CO246

floydanddawn · 04-20-2008, 07:35 PM

I Pulled This Code From My 99 4 Wheel Suburban 2500 Series 7.4l
Abs Light Comes On When You Start To Move Co246 Ebcm Control Valve Circuit Does Anyone Know What This Means Thanks.

crabtruck · 04-22-2008, 12:38 AM

Welcome to the forum floydanddawn.
Codes C0241-0254 get lumped together as EBCM: Control Valve Circuit
but may actually be as simple as a dirty wheel sensor.
Not sure if your truck is using the integrated hub (pricey to replace) or not.
Don't think the '95s - '01s used them.
Also, I thought C0241 was EBCM Control Valve Circuit code.
There were some issues with trucks that triggered ABS at low speeds for dirty sensors also.
If EBCM is detecting different wheel/truck speeds it will set an error.
Suggest you check condition of front wheel sensors: corrosion,
loose connections, etc. Possibly follow up with sensor testing.
Make a basic visual check for loose or shorted connections through out system.
There are related threads in forum, do a search. Good luck.

floydanddawn · 04-22-2008, 08:46 AM

I will recheck code number left front whell drags behind by 1 mph then jumps up to speed with the other 2 after a couple of seconds if you check it while you're moving when i test drove it before I bought the suburban it didn't come on now it does it had been sittin for about a year because the rear was bad ( had to put new pinion and carrier bearings in it ) I will check sensors and yes it does have the integrated hub thanks.

04-20-2008, 07:35 PM	#1
floydanddawn Junior Member Join Date: Apr 2008 Posts: 2	ABS Code CO246 I Pulled This Code From My 99 4 Wheel Suburban 2500 Series 7.4l Abs Light Comes On When You Start To Move Co246 Ebcm Control Valve Circuit Does Anyone Know What This Means Thanks.

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04-22-2008, 12:38 AM	#2
crabtruck Senior Member Join Date: Jul 2007 Location: on your 9 Posts: 3,364	Welcome to the forum floydanddawn. Codes C0241-0254 get lumped together as EBCM: Control Valve Circuit but may actually be as simple as a dirty wheel sensor. Not sure if your truck is using the integrated hub (pricey to replace) or not. Don't think the '95s - '01s used them. Also, I thought C0241 was EBCM Control Valve Circuit code. There were some issues with trucks that triggered ABS at low speeds for dirty sensors also. If EBCM is detecting different wheel/truck speeds it will set an error. Suggest you check condition of front wheel sensors: corrosion, loose connections, etc. Possibly follow up with sensor testing. Make a basic visual check for loose or shorted connections through out system. There are related threads in forum, do a search. Good luck.

04-22-2008, 08:46 AM	#3
floydanddawn Junior Member Join Date: Apr 2008 Posts: 2	I will recheck code number left front whell drags behind by 1 mph then jumps up to speed with the other 2 after a couple of seconds if you check it while you're moving when i test drove it before I bought the suburban it didn't come on now it does it had been sittin for about a year because the rear was bad ( had to put new pinion and carrier bearings in it ) I will check sensors and yes it does have the integrated hub thanks.