No Speedometer or Odometer after replacing ABS Module

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Aug 10, 2018 | 02:15 AM

Wbrann51

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No Speedometer or Odometer after replacing ABS Module

I've got a 2003 F-250 6.0L RWD and I recently had some issues with a spongy brake pedal and after replacing the master cylinder and all four brake calipers to no avail, I replaced the ABS module. My brake pedal immediately tightened up and I celebrated the whole way home. Until I looked at my speedometer and realized it wasn't working. Neither was my odometer. I thought maybe it was a bad speed sensor so I replaced the sensor on my rear diff, and both front ABS sensors. Still no change. I'm a little stumped. I read something somewhere that some ABS modules need to be reprogrammed after replacement, but but that thread was specifically talking about recalibrating for bigger tires, not total speedometer loss. My only other thought would be that I maybe got a bad replacement ABS Module? I don't know. Would love some help. Thanks much.

Aug 10, 2018 | 03:21 AM

seville009

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Can you put the old abs module back in to see if the speedo and odometer comes back on? If it does, then maybe the new module is bad or isn’t yhe right one. Just guessing....