ABS, Slip, Brake, 4WD light's on!!

How is your battery? A bad battery can cause some weird things to happen.

helomech said:

How is your battery? A bad battery can cause some weird things to happen.

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The truck was laid up for a while and the battery went dead, I recharged the battery and it starts fine everytime. I know sometimes a loose battery connection can cause things to go haywire, but I checked and the terminals are tight.

glensmachine said:

The truck was laid up for a while and the battery went dead, I recharged the battery and it starts fine everytime. I know sometimes a loose battery connection can cause things to go haywire, but I checked and the terminals are tight.

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I am having the same problem, but at the moment at a lesser degree. The VDC, Emergency brake & SLIP lights are staying on after the truck has been started. I do not have the hesitation yet when driving. Does anyone know what the problem could be (i.e Battery going bad or bad switches/sensors). I still have the original battery, but my '04 truck only has 15k+ miles on it...Please advise, thank you...

aldaman said:

I am having the same problem, but at the moment at a lesser degree. The VDC, Emergency brake & SLIP lights are staying on after the truck has been started. I do not have the hesitation yet when driving. Does anyone know what the problem could be (i.e Battery going bad or bad switches/sensors). I still have the original battery, but my '04 truck only has 15k+ miles on it...Please advise, thank you...

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Possibly low brake fluid level in brake fluid reservoir.

aldaman said:

I am having the same problem, but at the moment at a lesser degree. The VDC, Emergency brake & SLIP lights are staying on after the truck has been started. I do not have the hesitation yet when driving. Does anyone know what the problem could be (i.e Battery going bad or bad switches/sensors). I still have the original battery, but my '04 truck only has 15k+ miles on it...Please advise, thank you...

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Agreed on the low brake fluid for the lights, but the bucking is a different story.

glensmachine said:

All these light's are on in my dash. I had the codes read and it showed a right rear and left front abs sensor codes. When I start the truck the ABS, slip and brake lights come on, when I start to move after about 1 mile the 4WD light comes on, the speedometer doesn't work and the truck starts to buck almost like it's staving for gas. I stop turn off the truck, restart and the same happens after about 1 mile.
Could a bad sensor cause this problem??

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That seems to be either a fuel issue or a sensor gone bad.

I was reading on another form that the "ABS actuator" was causing the same problems that I am having, they replaced and problem solved.

Another form mentioned that the "ABS controller assembly" was replaced and their problem was solved. (Code 1110) Maybe when I had the codes checked it didn't show this code because it wasn't in failsafe mode.(bucking)

I live 8 hours away from my dealer, he wants me to take the truck in to get checked but with this problem it could be a much longer drive.

Blackbeauty said:

Agreed on the low brake fluid for the lights, but the bucking is a different story.



That seems to be either a fuel issue or a sensor gone bad.

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Thank for your help guys...I checked the fluid and it is still at the MAX reading. I guess I will have to take it into the dealer to see if it is a sensor/fuel issue. So could I also rule out a factory battery going bad? Thanks again....

Aldaman...this is happenning in my 04 titan also...no performance issues at the moment...but it does make me sad and want to know what is going on. Anyway, let me know if you figure out what the situation is that is causing this to happen.

Thanks,
Sunny004

aldaman said:

I am having the same problem, but at the moment at a lesser degree. The VDC, Emergency brake & SLIP lights are staying on after the truck has been started. I do not have the hesitation yet when driving. Does anyone know what the problem could be (i.e Battery going bad or bad switches/sensors). I still have the original battery, but my '04 truck only has 15k+ miles on it...Please advise, thank you...

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"Take it to the dealer. There is a TSB for a reflash of the ABS computer that solves this problem. Same thing happened to me, had it done, as it is as good as new!"

This was posted as an answer to my issue by a dude named greasy. Stoked.

sunny004 said:

"Take it to the dealer. There is a TSB for a reflash of the ABS computer that solves this problem. Same thing happened to me, had it done, as it is as good as new!"

This was posted as an answer to my issue by a dude named greasy. Stoked.

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Thank you..I'll do a search for that TSB and show it to my local dealer here...

Took mine to the dealer, turned out it was the abs speed sensors, 2 front and one back! they replaced and all is well.

I know this is an old thread but I had my rear brakes replaced about 2-3 weeks ago and my abs and slip light started coming on a few days later. Now my Brake and 4wd light blink on and i get the thud in the tranny. When it is all warmed up and I stop and start again it is all fine mainly happens when cold. My truck is still under warrenty until september so do you guys think I should "deal" with the dealer or head to the shop where I got my brakes done. Im thinking its the sensor but maybe the shop messed something up when changing the pads? So I would hate to take it to dealer and they tell me the shop broke it... any thoughts?

well i decided to take it in to the shop where i had the brakes done and they got the U1001 and P1212 codes which is TCS Communication Line. Crazy huh! They didn't do anything to break my truck so I will have to take it to the dealer to get them to reflash...

this happened to my truck today shut the truck off and restarted, lights turned back off... looks like back to the dealer just left there yesterday. Does anyone know if this will cause any damage or cause it to be unsafe. I have to go to phoenix in three days to pick up my car and tow it it back, I dont think there will be a chance for the dealer to have a look at it before I leave.

haveing the same issue but with vdc off, slip, abs lights are all on and stay on, took for a ride, seems to be no issue with performance, is there anymore feedback on what this could be, other than what is on this site already?

craigb2003 said:

haveing the same issue but with vdc off, slip, abs lights are all on and stay on, took for a ride, seems to be no issue with performance, is there anymore feedback on what this could be, other than what is on this site already?

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definately get your battery checked it was my problem afterall. IT had a bad cell under load but never had any voltage drops on the scanguage and started every time so it was strange but that was what it was...

craigb2003 said:

haveing the same issue but with vdc off, slip, abs lights are all on and stay on, took for a ride, seems to be no issue with performance, is there anymore feedback on what this could be, other than what is on this site already?

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same thing for me and took it to the dealer! turned out to be the rear abs sensor...90 to check it out and 55 for the rear sensor or 150 for the front. install only took 5 min by myself.

you need a abs scanner to check it out

FWIW, when I had this problem is was sign that rear differential was going bad. My sensors were replaced and the problem came back and eventually my rear axle crapped and I got a new one under warranty.

PRJ said:

FWIW, when I had this problem is was sign that rear differential was going bad. My sensors were replaced and the problem came back and eventually my rear axle crapped and I got a new one under warranty.

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how were the sensors related to the bad axle? when I took mine off there was a layer (inch thick) of brake dust...I thought that was what caused it to have a bad reading?