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Hi everyone, So far I have changed the doser valve on this truck and still have this code any advice would be greatly appreciated.

3567 = DEF (decomp tube) Doser valve unplugged error.

wiring problem in the main harness?.

Also make sure there is not a 'volcano' in the decomp tube...
ref: http://rawze.com/forums/showthread.php?t...07#pid1807

It’s a circuit code that won’t clear key on engine off, would any one have a wirring diagram for this truck ?

(12-19-2023 )Brandon Wrote: [ -> ]It’s a circuit code that won’t clear key on engine off, would any one have a wirring diagram for this truck

try these


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