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We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.

ABS dash light on

Posted

My ABS brake light is staying on, Need help figuring it out....1999 4x4 cummins, 160k miles. RWAL (rear wheel anti lock)

 

I read up in my Repair manual. CAB(controler antilock breakes),, RWAL,,, Reat axle speed sensor

 

Brakes work great, pretty fresh pads front and rear, fluid level good

 

I fiddled with the plugs on the rear axle speed sensor, CAB , etc. Everything looks good.  Its a Clean truck, western desert area no rust

 

Is there any way to clear the memory in the RWAL C.A.B.

 

Any ideas what the problem is that keeps the ABS light on in the dash.

 

 

PS my '99 only has rear ABS , No front

Edited by GSP7

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  • Mopar1973Man
    Mopar1973Man

    He need a ABS and SRS code reader. Not a OBDII reader. Like I've got one but it doesn't work on 1998 to 2002 Dodge Rams...   http://pro.innova.com/Product/FullDetail/f968c286-07ab-46b7-bfd5-

  • Chris O.
    Chris O.

    As promised picture show time. Since my truck has no ABS issue i disconnected the right front wheel abs sensor. Now the ABS brake light is on. Pic. 3 Pic. 4 Pic. 5

  • Chris O.
    Chris O.

    Excellent scan tool for the money with OEM-specific coverage. AutoEnginuity also has live graphing and lots of other capabilities I never tried.

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Any other addrd capabilities over a standard obd2 reader?

Quote

Any other addrd capabilities over a standard obd2 reader?

YES.

Enhanced interface comes with its own hardware interface specifically designed for Chrysler SCI and CCD BUS based controllers.

 

(example)

2000    Dodge    R2500    3.9 Liter
BR    Enhanced Powertrain
Airbag Control Module
Anti-Lock Brake System - 2 Wheel Drive
Anti-Lock Brake System - 4 Wheel Drive
Central Timer Module
Transmission Control Module
5.2 Liter    BR    Enhanced Powertrain
Airbag Control Module
Anti-Lock Brake System - 2 Wheel Drive
Anti-Lock Brake System - 4 Wheel Drive
Central Timer Module
Transmission Control Module
5.9 Liter    BR    Enhanced Powertrain
Airbag Control Module
Anti-Lock Brake System - 2 Wheel Drive
Anti-Lock Brake System - 4 Wheel Drive
Central Timer Module
Transmission Control Module
8.0 Liter    BR    Enhanced Powertrain
Airbag Control Module
Anti-Lock Brake System - 2 Wheel Drive
Anti-Lock Brake System - 4 Wheel Drive
Central Timer Module
Transmission Control Module

 

2000 Dodge Cummins 5.9 Liter Diesel BR Enhanced Powertrain
          Airbag Control Module
          Anti-Lock Brake System - 2 Wheel Drive
          Anti-Lock Brake System - 4 Wheel Drive
          Central Timer Module
          Transmission Control Module

 

Complete list of coverage:

Chrysler-specific vehicle coverage

https://www.autoenginuity.com/images/vehicle_samples/Chrysler/Chrysler-Vehicle-Support.html#year_1996

Edited by Chris O.

    • Like 1
    • Author

    Good info guys

    Ive been busy with other stuff

     

    I thought my speedo was working fine, So i started watching it. It stays on 0 intill I get to about 25-30mph then it jumps up to 30 mph reading and works the rest of the way. So it doesnt work from 0-25,30 mph 

    Is that a sign of a bad speed sensor on the rear axle?

    I got under there and was looking fiddling. I couldnt get the plug off the sensor(it was getting dark, had a flash light), looked like there is a release button/tab you Press to pull the plug off. Is that correct? Dont want to break the plastic

    Edited by GSP7

    • Owner

    Must vary for year to year because there is no locking of my plug just pull.

     

    As for removing the sensor I'm going to bet you'll end up breaking it. Now don't panic. There is no sense in opening the differential you won't be able to reach the sensor hole. So what I did is continue to pry inward to relieve tension on the shell then pull it straight up with needle nose pilers.

    • Author

    I had a mirror up in there trying to see the darn thing, Couldnt get it off right away I was tired and my back hurt LOL.

     

    So is that issue with my speedo not working until 30 mph what happens when the sensor is going bad?

     

    Did anyones truck do the same thing when their sensor was bad?

    Speedo works smooth and fine above 25 mph

    Edited by GSP7

    • Author

    Cool, that's what I wanted to know

     

    All these stupid sensors.$$$$. I need a back up light sensor too. Stupid sensors !

     

    Bring back the 1970s ! No check engine light or computer stuff

     

    Only thing that ever goes wrong with my truck is computer crap ...lol !

     

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    Welcome To Mopar1973Man.Com LLC

    We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.