RABS Code 11

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Jul 9, 2016 | 10:50 PM

#16

PRIMERED79 SHORT BED

Laughing Gas

Joined: Jan 2012

Posts: 1,106

Likes: 25

Bump, did you ever find a solution? Mine is throwing a code 11 and i also have led lights in the rear and no cruise, and was wondering if its all related.

Feb 2, 2023 | 06:26 PM

#17

catraveler

7th Gear

Joined: May 2021

Posts: 7

Likes: 0

From: Goleta Ca.

RABS code,

Quote:

Originally Posted by RIKIL

I pulled this code the other day from my RABS and the Chilton manual said I should see no voltage with brake pedal not pressed and < 9 v when pressed. I get very little voltage, 360 mv, with brake not pressed but get 12v when it is pressed.

The book said to replace the brake switch and I did this but I don't see how it could be the problem, it doesn't have any resistors in it, just contacts. I see 12v going into that switch so the 12v is passed along when the brake is pressed.

I'd like to research where this 12v comes from. Well, I THINK it comes from pin 2 on my PCM but I can't find much info on that.

Looking for resources.

thanks.

What pin on which module are you checking for voltage? The brake pedal switch is quite a basic function, the input side should have 12v at all times, the output side should have 12v when the brake is depressed. There is a fuse that supplies brake power. Test the switch with one meter lead on ground (meter set to dc volts) probe the two brake switch pins, one should have +12v, other some very low mv number, depress brake pedal, both pins should now be +12v and your brake lights should be on, including the 3rd brake light if you have one.