What would cause this code?
Guest
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What would cause this code?
P0581 Speed Control Multiplexed Switch 1 High
The dealer replaced my transfer case last week and when I went to do my routine code check I had this code. Anyone know what would trigger this code to be set? Just curious is all.
The dealer replaced my transfer case last week and when I went to do my routine code check I had this code. Anyone know what would trigger this code to be set? Just curious is all.
Registered User
Joined: Mar 2005
Posts: 6,259
Likes: 1
From: Utah
this is a total guess but maybe it's the speed sensor that is located right by the transfer case?????
they are fairly cheap ($20-35 bucks?)and can be found at Autozone or Checker Auto.
you could slap on in yourself in 5-10mins.
they are fairly cheap ($20-35 bucks?)and can be found at Autozone or Checker Auto.
you could slap on in yourself in 5-10mins.
Registered User
Joined: Mar 2005
Posts: 6,259
Likes: 1
From: Utah
I also found this.....
WHEN MONITORED
Key on or Engine running.
SET CONDITION
Speed Control MUX switch above 11.5 volts for 5 seconds .
POSSIBLE CAUSES
S/C Wiring harness observable problem
Clockspring signal/ground circuit open
Speed control on/off switch
S/C Switch signal CKT shorted to voltage
S/C Switch signal circuit open ECM to clock spring
S/C Switch signal circuit open clockspring to S/C switch
S/C Switch ground circuit open clockspring to S/C switch
S/C Switch ground circuit open ECM to clockspring
ECM
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
WHEN MONITORED
Key on or Engine running.
SET CONDITION
Speed Control MUX switch above 11.5 volts for 5 seconds .
POSSIBLE CAUSES
S/C Wiring harness observable problem
Clockspring signal/ground circuit open
Speed control on/off switch
S/C Switch signal CKT shorted to voltage
S/C Switch signal circuit open ECM to clock spring
S/C Switch signal circuit open clockspring to S/C switch
S/C Switch ground circuit open clockspring to S/C switch
S/C Switch ground circuit open ECM to clockspring
ECM
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
Guest
Posts: n/a
That sounds like a good enough guess for me! The tech probably didn't hook it up and started the truck and then found it. Thanks ******!
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Registered User
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Posts: 6,259
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From: Utah
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