ABS problem
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CF Beginner
Joined: Dec 2009
Posts: 15
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From: Bristol, United Kingdom
ABS problem
<TABLE border=0 width="100%" itxtvisited="1"><TBODY itxtvisited="1"><TR itxtvisited="1"><TD vAlign=top width="100%" itxtvisited="1">Hi!
I am the UK owner of a '93 G20 Sportsvan with a conversion. I believe my vehicle has a Kelsey-Hayes 4WD system. Since owning the vehicle I have had the ANTI-LOCK light illuminate at any speed over about 10mph.
Today, I read the fault codes from the control module and got the following codes: 81, 86 and 13.
Code 13 implies that 2 wheel ABS is functioning
Code 81 implies a brake <NOBR style="FONT-FAMILY: inherit; COLOR: darkgreen; FONT-SIZE: 100%; FONT-WEIGHT: normal" id=itxt_nobr_4_0>light
</NOBR> switch short or open circuit
Code 86 suggests a short in the anti-lock warning lamp
What should be my recommended course of action? Any advice would be much appreciated!
cheers, Darius </TD></TR></TBODY></TABLE>
p.s: Have already posted on G series forum....but no replies!!!! I feel that this may be a general issue that applies across the Chevy range!
I am the UK owner of a '93 G20 Sportsvan with a conversion. I believe my vehicle has a Kelsey-Hayes 4WD system. Since owning the vehicle I have had the ANTI-LOCK light illuminate at any speed over about 10mph.
Today, I read the fault codes from the control module and got the following codes: 81, 86 and 13.
Code 13 implies that 2 wheel ABS is functioning
Code 81 implies a brake <NOBR style="FONT-FAMILY: inherit; COLOR: darkgreen; FONT-SIZE: 100%; FONT-WEIGHT: normal" id=itxt_nobr_4_0>light
</NOBR> switch short or open circuitCode 86 suggests a short in the anti-lock warning lamp
What should be my recommended course of action? Any advice would be much appreciated!
cheers, Darius </TD></TR></TBODY></TABLE>
p.s: Have already posted on G series forum....but no replies!!!! I feel that this may be a general issue that applies across the Chevy range!
Super Moderator
Joined: May 2008
Posts: 2,474
Likes: 20
Hi UKG20dude,
Welcome to the Chevy Forums!
Try cleaning the ABS sensors, especially if you are getting them muddy four-wheeling!
This may be a non-problem, once your sensors are cleaned up.
On many GM 4WD units the rear ABS sensor is at either the differential or the transfer case, and the front wheels each have a separate sensor which isn't hard to find if you follow the wires.
Once you have cleared the sensors, you'll probably have to disconnect the battery to reset the warning system.
Welcome to the Chevy Forums!
Try cleaning the ABS sensors, especially if you are getting them muddy four-wheeling!
This may be a non-problem, once your sensors are cleaned up.
On many GM 4WD units the rear ABS sensor is at either the differential or the transfer case, and the front wheels each have a separate sensor which isn't hard to find if you follow the wires.
Once you have cleared the sensors, you'll probably have to disconnect the battery to reset the warning system.
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