no speedo, abs warning light and DSC fault light are all on. Wat is the problem?
Veteran Member
Joined: May 2011
Posts: 1,741
Likes: 174
From: ga
please scan the fault codes or if u cant, goto advance/autozone/napa..etc and ask them
to read your fault codes...they all do this for free.
write down the codes ...i.e P0174 and post them here.
without them, no one is able to help you further.
engine size?
auto/manual?
gas/diesel?
circumstances of how speedo stopped working
to read your fault codes...they all do this for free.
write down the codes ...i.e P0174 and post them here.
without them, no one is able to help you further.
engine size?
auto/manual?
gas/diesel?
circumstances of how speedo stopped working
Last edited by iownme; Sep 17, 2018 at 08:59 PM.
Senior Member
Joined: Oct 2007
Posts: 809
Likes: 289
From: Houston, TX
tony: Did these multiple problems all start at the same time?
Most likely 2 of your wheel speed sensors have failed - when 2 fail, the speedometer stops working, along with ABS and DSC faults. On salty Michigan roads, the 2 rear wheel speed sensors are most vulnerable because they have reluctor rings which fail when rust expands under them. The front speed sensors do not have reluctor rings, so they're not as vulnerable to salt & rust.
To inspect the rear reluctor rings, remove the rear wheels, then remove the wheel speed sensors and peer into the open hole as you turn the hub by hand. You'll probably see a break in the reluctor ring as you slowly turn the hub. Search this forum for "reluctor ring" for many threads on this topic, and Google "reluctor ring" for videos as well.
If the reluctor rings are good, then borrow or buy an ABS code reader. When the speed sensors fail, the error codes are C1145 (right front) C1155, (left front), C1165 (right rear) and C1175 (left rear).
Let us know what you find.
Most likely 2 of your wheel speed sensors have failed - when 2 fail, the speedometer stops working, along with ABS and DSC faults. On salty Michigan roads, the 2 rear wheel speed sensors are most vulnerable because they have reluctor rings which fail when rust expands under them. The front speed sensors do not have reluctor rings, so they're not as vulnerable to salt & rust.
To inspect the rear reluctor rings, remove the rear wheels, then remove the wheel speed sensors and peer into the open hole as you turn the hub by hand. You'll probably see a break in the reluctor ring as you slowly turn the hub. Search this forum for "reluctor ring" for many threads on this topic, and Google "reluctor ring" for videos as well.
If the reluctor rings are good, then borrow or buy an ABS code reader. When the speed sensors fail, the error codes are C1145 (right front) C1155, (left front), C1165 (right rear) and C1175 (left rear).
Let us know what you find.
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