3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Have a code on my '03

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Old 01-04-2007 | 12:58 PM
  #1  
masterphreak's Avatar
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Joined: Mar 2006
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From: Columbus, IN
Have a code on my '03

P0837 Four Wheel Drive (4WD) Switch Performance / Rationality

No check engine light, but I did the key trick and it came up with this code. Anyone else ever had this code? Doesn't seem to be any problems that I can tell. I use my 4 wheel drive almost every morning to get out of my parking spot, very muddy where I park at. I have the manual transfer case.
Old 09-23-2007 | 01:25 PM
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Justin26's Avatar
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From: Fairfield Texas
What does this code mean? A buddy of mine has the same code on his truck.
Old 12-31-2009 | 01:54 PM
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VaultRam's Avatar
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From: Arvada, CO
My truck threw this code(P0837) can someone tell me what this code means or what causes it? TIA
Old 01-01-2010 | 03:08 PM
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hector's Avatar
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From: AL
Originally Posted by VaultRam
My truck threw this code(P0837) can someone tell me what this code means or what causes it? TIA
Something to do with 4wd switch / circuit
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