Has anyone solved an ABS Light, Brake Warning Light, No Speedo symptom?
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#8
No Speedo
Where is the abs control module mouted? I have an 05 dodge 3500, 2wd, 6spd. Does the same thing. I replaced the speed sensor on the rearend, took it to the stealership, had it flashed, and still no speedo. I think because the brake light and abs light are both on that it may be the abs module. I've been told the signal goes there first then to the speedo. The computer has to be reading the speed sensor because the miles to empty are calculating to the " T " . I need help. Thanx.
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The ABS module is located inside the engine compartment on the left side near the fender well near the master cylinder. My truck has two batteries and the module is between the battery and the firewall. You can easily unclip this and check for wetness.
There are service manuals on this forum which you can search for, if needed.
I read that you also need to cycle the key/ignition several times after changing the speed sensor in the rear end. This can be done manually or it will normally occur after several normal trips. I believe this is what I did. I cycled the ignition about twenty or thirty times, then it went away. I do not know if you can reset the computer any other way once a new sensor is put in.
Also, check your fuses. There was a small 5 amp fuse I was having trouble with.
Hope this helps.
There are service manuals on this forum which you can search for, if needed.
I read that you also need to cycle the key/ignition several times after changing the speed sensor in the rear end. This can be done manually or it will normally occur after several normal trips. I believe this is what I did. I cycled the ignition about twenty or thirty times, then it went away. I do not know if you can reset the computer any other way once a new sensor is put in.
Also, check your fuses. There was a small 5 amp fuse I was having trouble with.
Hope this helps.
#10