My 4x4 Ram RWAL ABS and brake light would go on at 35mph and only go off when the truck was shutoff. My speedo was fine.but I replaced the rear differential ABS speed sensor anyways on top of rear pumpkin. The problem ended up being the ABS control pump and module in the engine left side compartment. This unit is packaged together, pump and module next to each other. Either the module wasn't sending the right signals to the ABS pump or one of the pump solenoids (2 of them, Isolation and dump solenoid) weren't working properly. I found a cheap unit for $25 on E-Bay. Before you replace this unit, bleed the old ABS pump as you would brakes by loosening the output brake line, to the rear wheels, on the pump after someone pumps and holds the brake down as you do when bleeding brake lines. This may do the trick as air can affect the pump as it does the brakes. May save you money.
Just surprised you can find a picture of it on-line anywhere!!! You have to buy the books to own when all you need is a simple diagram or picture of where on the truck it is!!! One web site wanted me to sent them up to 35.00 to send me the info!!!!
Simple fix if you know what it is. Take it to the dealer and they will charge you an arm and a leg, maybe even a head. Just hope that the tech that looks at it is not in training or it may be a long wait.
Autozone has code scanners for the check engine light. No one has a code scanner for the brakes. Dealer wants $65.00 to check the code or you can buy one for about $300.00 What a crock !! You should be able to download a program from the vehicle maker to your lap top and via USB connect to your OBD port for codes. Just another way the man get's to sock it to you. You get free updates from Microsoft, why not Ford, Dodge, Chevy........................
- ddillon,
Fairview Hgts, IL, US
Search CarComplaints.com for these popular complaint phrases...
Everything OK when pulled into gararge.. Next morning , ABS and Brake light was on and speedometer would not work under 28 MPH.. Have not fixed.. Tried new sensor for speedometer did not fix .. Went bad sitting???
I have a 99 Dodge Rams that the brake and ABS light goes on when it feels like it. I replaced the speed sensor, and bleed the equliver warning switch block along with the brake calipers. I did rebuild the brake calipers about 3 months before the light started coming on but the 2 don't seem to be related. Sometimes the lights come on when I shift into 2nd (manual) and other times it is when I hit a bump or step on the brakes after driving for a long time. Nothing makes since as far as the symptoms. When the lights start to come on they will reset when I restart the truck and then the lights come on again. I actually drive down the highway restarting the truck. Sometimes the lights don't come on for days and I think it fixed itself but no...just when I start to like my truck it does it again. I took it to the dealership and it didn't do anything for them. I did reset the code history but that didn't do anything either.
The problem started with the ABS & brake lights on the dash coming on. The ABS system failed and the speedometer would only work after a speed of about 30 MPH. It eventually failed totally and as a result the cruse control and odometer no longer worked. At first I replaced the vehicle speed sensor on the Transmission housing. No luck with that. I then found this sight on the internet and saw the same symptoms displayed here. Bought the ABS speed sensor at a local parts house and replaced it. Wala! Problem solved. Only found at NAPA autoparts and Dealer.
A.B.S. light and brake light on. Speedometer not working.
Fix= $39.22 for A.B.S. speed sensor at dealer, 14m.m. socket, 9/16" wrench, and about a 1/2 hour off my time. The local auto parts store kept trying to tell me it was the sensor in the transmission; they were wrong. I also needed to give my vin.# to the dealer; seems they made 2 different parts for that year.
Some part stores and dealers call this part by different names. It was the sensor on the rear differential that I replaced.
My ABS & Brake Light come on about ~30 MPH and don't go off until you restart the truck. I also noticed that my cruise control light comes on but the cruise doesn't work. can anyone help me with that?
Replaced the speed sensor on top of the rear differential. About an hr of work and my speedometer was working. The added side effect was that my ABS and Brake lights went off.
Drove the truck and it was fine. Parked it for a couple of hours and when I started it again I noticed the Brake light and the ABS light stayed on. When I started driving I noticed that the speedometer does not work. Also, the cruise control light will come on when you turn it on but when you try to set the cruise control it won't work.
A D V E R T I S E M E N T S
DODGE IS HAVING THIS PROBLEM WITH THE BRAKE SYSTEM LONG TIME AGO. LOOKING TO JOIN A LAWSUIT OR RECALL ACTION.
- Jose G., Vacavillle, CA, US