vinny933 Posted April 23, 2022 Share Posted April 23, 2022 (edited) 2019 granite ,ok here is the problem if i start the truck with headlight switch off i get this code and check is lite up on dash with lcm code. if i turn the headlight switch on and start the truck no code as soon as i turn switch off code pops up . could this be a bad switch ? or wire or lcm. i had it at mack they said everything was good when i picked it up as soon as i stated it code poped up. didnt go back in they where closing and i had to work Edited April 23, 2022 by vinny933 Quote Link to comment https://www.bigmacktrucks.com/topic/69593-code-mid-216-psid-20-fmi3/ Share on other sites More sharing options...
vinny933 Posted April 25, 2022 Author Share Posted April 25, 2022 Well I see I got views , gonna change the switch today.if the truck sits overnight the blue switch lights work , code still there if I turn switch off then back on they stop working Quote Link to comment https://www.bigmacktrucks.com/topic/69593-code-mid-216-psid-20-fmi3/#findComment-496037 Share on other sites More sharing options...
vinny933 Posted April 26, 2022 Author Share Posted April 26, 2022 Well turned out it was the switch,figured I let you guys know incase it happens to someone else 2 Quote Link to comment https://www.bigmacktrucks.com/topic/69593-code-mid-216-psid-20-fmi3/#findComment-496094 Share on other sites More sharing options...
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