“Service Shifter Module” warning

[Bandit’s Lair]

Anyone ever had this? How serious? Do I need to take it to the dealer? The check engine light didn’t flash but it’s still there. Haven’t had time to clear it yet.

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[jmanley501]

Had this before; was a low battery/loose ground on the battery. I know sounds wild and like it wouldn't be related but tightening the ground and a little bit on the charger and the issue service shifter module went away. I also got it again when I forgot to plug in the RDN lights by the automatic shifter after cleaning the center console.

 

[Free2roam]

This was my issue. It's been pretty well documented on the forum.
https://www.jeepgladiatorforum.com/...-other-intermittent-faults.46673/post-1213115

 

[Bandit’s Lair]

This was my issue. It's been pretty well documented on the forum.
https://www.jeepgladiatorforum.com/...-other-intermittent-faults.46673/post-1213115

My search skills are lacking.

 

[Shibbyjeep]

My search skills are lacking.

DId you find issues with your harness like he did?

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