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2012 International prostate with Maxxforce motor. Engine

brake do not work. Light...
2012 International prostate with Maxxforce motor. Engine brake do not work. Light is on on dash indicating engine brake has been turned on but it does not work. Replaced both brake solenoid still not working . Vin# ***** URGENT HELP NEEDED. ALSO ABS LIGHT IS ON
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Answered in 15 hours by:
9/10/2017
Andy
Andy, Truck Diagnostic Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 1,725
Experience: International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck /trailer refrigeration troubleshooter
Verified
Hi there. My name is ***** ***** you tell me if the ABS light came on around the same time that the engine break quit working
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Customer reply replied 2 months ago
No abs been on for while
Customer reply replied 2 months ago
ALSO I checked switch status in maxxforce application when engine brake is on and light on dash is on it still reads off. But when I check it in diamond logic cab computer dies reead it 100 percent when I turn on engine brake . So I think problem is the engine ecm not receiving engine brake on signal ?
The problem may be related to the ABS light. When there is an ABS fault, depending on what the fault is, the engine brake may be disabled due to the ABS problem. The body controller is still seeing the switch signal as being on but the engine ECM will see it as off because the ABS module is requesting the break to be disabled due to the current issue with abs
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Did the ABS light come on at the same time as the engine brake quit working?
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Customer reply replied 2 months ago
I don't remember but I think it's been on for while. I checked with meritor tool there's no fault code but abs light is on though I clear the and light it comes right on
Customer reply replied 2 months ago
But you really think abs can disable engine brake ?
it can depending on what fault is currently active
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Can you answer my question? Did the light come on at the same time roughly as when the engine brake stopped working?
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Sorry about that! I didn't see your previous post. My fault! If your ABS light is coming back on after clearing codes, then there must be something coming back active. We need to troubleshoot that
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Customer reply replied 2 months ago
That's the thing there is no fault code
if you drive above 20 kilometers per hour, does the light go out?
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Customer reply replied 2 months ago
Didn't check that ill check and adv8se what if it doesn't .
Let me know
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How did it go ? Is the ABS light out ?
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Customer reply replied 2 months ago
Haven't driven it yet
Customer reply replied 2 months ago
Ok so drove the truck and fault code appeared for abs. It says Front right sensor slip. Active times 1 SID 2. FMI 8. It's meritor .
Ok ... Have you tried going to the right front wheel and physically pushing the sensor against the tone wheel ? Push hard enough til it bottoms . Then go try it again and see if light goes out
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Customer reply replied 2 months ago
How do you tell the difference on this truck between exhaust brake and engine brake . How do you tell which one is working ?
The exhaust back pressure valve is what you are referring to.. thus is not an exhaust brake . This is used only to warm up the engine quicker on startup and also it is used during parked regeneration. This is not an exhaust brake .
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This engine only has engine compression brakes which are under the valve cover . Sorry for the delay in answering ... Technical issues
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Customer reply replied 2 months ago
Oh I think my brakes started working then . It wasn't that strong that's why I asked for exhaust brake
No there is none on this engine . I know because I work for an international dealership
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They are not the strongest I've seen but they are ok. Cummins are better.
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Do you still need help? Please rate my service to you if we are done . Thank you
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Are you still needing help ?
Andy
Andy, Truck Diagnostic Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 1,725
Experience: International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck /trailer refrigeration troubleshooter
Verified
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Andy
Andy
Andy, Truck Diagnostic Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 1,725
1,725 Satisfied Customers
Experience: International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck /trailer refrigeration troubleshooter

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