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'01 9400 12.7 flash code 31

Discussion in 'International Forum' started by double yellow, Dec 9, 2015.

Dec 9, 2015 #1

double yellow Road Train Member

5,946

10,066

Aug 28, 2011

State of Jefferson

0

Code 31: Aux. High Side Output Open Circuit or Short to Ground

What is that referring to? Code flashed momentarily under braking -- has not appeared before and is not currently triggering a fault...

double yellow, Dec 9, 2015

double yellow, Dec 9, 2015

#1
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Dec 9, 2015 #2

double yellow Road Train Member

5,946

10,066

Aug 28, 2011

State of Jefferson

0

What is the auxilary output?

double yellow, Dec 9, 2015

double yellow, Dec 9, 2015

#2

blairandgretchen Thanks this.
Jun 12, 2017 #3

OA387 Bobtail Member

14

3

Dec 9, 2011

Ft Meade, FL

0

Hello,
I know this post is old but, did you find out what the issue was?
I do have this fault code and am curious what the problem was.
Thanks

OA387, Jun 12, 2017

OA387, Jun 12, 2017

#3
Jun 12, 2017 #4

Heavyd Road Train Member

7,829

6,280

Feb 4, 2009

0

Output for the engine brake solenoids. ECM is detecting an open or short in the circuit.

Heavyd, Jun 12, 2017

Heavyd, Jun 12, 2017

#4