ABS issues

Chevycummins

Chevycummins

Bad case of Tinkeritis!
well here recently i have been having issues with my ABS light and Brake light coming on randomly. Also my brakes act like they are dragging and dont release after applying the brake pedal. I hooked up a scan tool and pulled the following codes off.

65 - Power Relay Open
41 - Right Front Isolation Valve Solenoid
52 - Rear Dump Valve Solenoid
51 - Rear Isolation Valve Solenoid
42 - Right Frong Dump Valve Solenoid
45 - Left Front Isolation Valve Solenoid
46 - Left Front Dump Valve Solenoid

My truck currently has a P52121408AE module control and is no longer offered as a complete assembly. They no longer sell it as a complete unit and have to buy the module and control unit seperate. Before i decide to dump a bunch of money as both are right at or over $500 a piece. I am hoping to get it narrowed down without purchasing both.
 
Check your front wheel bearings that’s how I know my bearings are bad is when the ABS light comes on


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Chevycummins said:
well here recently i have been having issues with my ABS light and Brake light coming on randomly. Also my brakes act like they are dragging and dont release after applying the brake pedal. I hooked up a scan tool and pulled the following codes off.

65 - Power Relay Open
41 - Right Front Isolation Valve Solenoid
52 - Rear Dump Valve Solenoid
51 - Rear Isolation Valve Solenoid
42 - Right Frong Dump Valve Solenoid
45 - Left Front Isolation Valve Solenoid
46 - Left Front Dump Valve Solenoid

My truck currently has a P52121408AE module control and is no longer offered as a complete assembly. They no longer sell it as a complete unit and have to buy the module and control unit seperate. Before i decide to dump a bunch of money as both are right at or over $500 a piece. I am hoping to get it narrowed down without purchasing both.
Click to expand...

ChevyCummins did you by chance resolve this issue? I have the same issue with the ABS and Brake light coming on randomly. At first it would happen rarely, now it seems to be every time I drive it.

Louisianamarc said:
Check your front wheel bearings that’s how I know my bearings are bad is when the ABS light comes on


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Click to expand...

My dad had the same issue going on and resolved it with new wheel bearings. Is there a way to tell which one is bad, or just go ahead and replace both?
 
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