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TPMS Codes - Fault
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<blockquote data-quote="MTF" data-source="post: 1430236" data-attributes="member: 499"><p>[USER=38344]@MrSkunks[/USER]</p><p></p><p>They probably didn't change the TPMS sensors. I'd bring it back!!!!</p><p>Gen 2s with class C KO2s have a much lower tire psi. then a Gen 1</p><p></p><p>I would check that you have all Class E rated tires on her.</p><p>Even if you have all Class C tires you would still need 40 psi. or above.</p><p>I don't know if Forscan can actually adjust the software in the truck for this safety feature.</p><p>SCT Tuner device with Tune is the way to go.</p><p></p><p>In any case, if you have the right TPMS in the tire, here are a few things to note.</p><p></p><p><strong>In order for the low tire symbol to turn off (reset) on a Gen 1 you need 40 to 41 psi. minimum in each tire.</strong></p><p></p><p>Keep in mind the Gen 1 recommended tire pressure is 44 psi. (which IMHO is stupid high)</p><p>And then drive around the block, mine sometimes goes off just starting it.</p><p></p><p>Keep in mind if and when you air down you will need a Tuner to set the low tire pressure.</p><p>If you don't have the SCT Tuner device to adjust the warning threshold the light will come on at around 36-38 psi.</p><p>If you get it working, I have mine set to 30 psi.</p><p>Also I noticed once or twice if I let out 5 or more psi. in one drive cycle the light will pop up as well.</p><p>So I've been letting out 2 psi. per drive cycle till I get 38 front and 36 rear.</p><p>On KO2 class E</p><p></p><p>Here you go:</p><p>Note this is for when you don't have the tire learning tool.</p><p></p><p><a href="https://www.tpmsdirect.com/Schrader_20315_TPMS_Relearn_a/822.htm" target="_blank">https://www.tpmsdirect.com/Schrader_20315_TPMS_Relearn_a/822.htm</a></p></blockquote><p></p>
[QUOTE="MTF, post: 1430236, member: 499"] [USER=38344]@MrSkunks[/USER] They probably didn't change the TPMS sensors. I'd bring it back!!!! Gen 2s with class C KO2s have a much lower tire psi. then a Gen 1 I would check that you have all Class E rated tires on her. Even if you have all Class C tires you would still need 40 psi. or above. I don't know if Forscan can actually adjust the software in the truck for this safety feature. SCT Tuner device with Tune is the way to go. In any case, if you have the right TPMS in the tire, here are a few things to note. [B]In order for the low tire symbol to turn off (reset) on a Gen 1 you need 40 to 41 psi. minimum in each tire.[/B] Keep in mind the Gen 1 recommended tire pressure is 44 psi. (which IMHO is stupid high) And then drive around the block, mine sometimes goes off just starting it. Keep in mind if and when you air down you will need a Tuner to set the low tire pressure. If you don't have the SCT Tuner device to adjust the warning threshold the light will come on at around 36-38 psi. If you get it working, I have mine set to 30 psi. Also I noticed once or twice if I let out 5 or more psi. in one drive cycle the light will pop up as well. So I've been letting out 2 psi. per drive cycle till I get 38 front and 36 rear. On KO2 class E Here you go: Note this is for when you don't have the tire learning tool. [URL]https://www.tpmsdirect.com/Schrader_20315_TPMS_Relearn_a/822.htm[/URL] [/QUOTE]
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