Anti-skid warning light?

Firefighter4life · Tuesday at 9:10 AM

I have a 2013 Unlimited Sport that I just purchased. Any ideas as to why my anti-skid warning light would be lighting up regardless of whether I have it turned on or off. It doesn’t seem to drive any differently if it does come on. The Jeep does have aftermarket wheels and tires on it so I thought it could be a wheel speed sensor issue but even if that is the case I don’t know what to do to fix it. Thanks for any advice and have a great day!

BLACKJKU · Tuesday at 9:38 AM

Is your steering wheel centered when driving straight down the road?

Firefighter4life · Tuesday at 10:14 AM

BLACKJKU said:
Is your steering wheel centered when driving straight down the road?

Yes. I don’t notice any pull at all.

BLACKJKU · Tuesday at 10:15 AM

Firefighter4life said:
Yes. I don’t notice any pull at all.

I'm not talking about pull, just if the steering wheel is centered when driving straight.

WestCoastDan · Tuesday at 11:58 AM

Can you scan for any codes?

Firefighter4life · Tuesday at 12:35 PM

BLACKJKU said:
I'm not talking about pull, just if the steering wheel is centered when driving straight.

I will check that. How much can it be off if it is?

WestCoastDan said:
Can you scan for any codes?

Going to do that this evening.

BLACKJKU · Tuesday at 4:48 PM

Firefighter4life said:
I will check that. How much can it be off if it is?

Not sure how much it can be off, but should be pretty close to centered.

Firefighter4life · Tuesday at 5:35 PM

WestCoastDan said:
Can you scan for any codes?

I went to OReilys and the report gave a code of P501 - Vehicle Speed Sensor 1 Performance. I just had the rear slip differential rebuilt and both rear wheel bearings replaced as well. The warning light came on a few times before this but today was the first time it came on and stayed on.

WestCoastDan · Tuesday at 5:44 PM

I've heard of speed sensor connectors coming loose or making poor contact, resulting in error codes as if the sensors are failing.

If it were me, I would give a thorough inspection of the sensor connections (probably even adding dielectric grease as a barrier to future corrosion & faulty contacts) and then go from there.

Firefighter4life · Tuesday at 6:29 PM

BLACKJKU said:
I'm not talking about pull, just if the steering wheel is centered when driving straight.

I would say it’s 5 degrees or so off center.

WestCoastDan · Tuesday at 6:35 PM

That could be enough. Consider getting an alignment w/ the wheel CENTERED before you spend any other $$ chasing this issue.

Dirty Dog · Tuesday at 10:24 PM

Firefighter4life said:
I will check that. How much can it be off if it is?

Going to do that this evening.

Doesn't take much. There's a road I travel regularly that has an excessive amount of crowning. You have to keep a little pressure on the wheel or you will drift over. That's enough to trigger it.

JeepJeezy · 2025-01-08T03:11:42-0700

Dirty Dog said:
Doesn't take much. There's a road I travel regularly that has an excessive amount of crowning. You have to keep a little pressure on the wheel or you will drift over. That's enough to trigger it.

this has happened to me before!

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