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Good afternoon ladies and gents. I could really use some help. My QC is throwing a p1389 code and I’m lost on what it is and how to fix it. The SCT says “Glow plug circuit high side, low input”. Any advice would be much appreciated.
 

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P1389 DODGE - No Auto Shutdown Relay Voltage At Powertrain Control Module

You can google the code to find what it is. No ASD relay voltage detected. Check your relays and harness under fuse box in engine compartment and make sure they’re all tight. You could also have a weak or dying battery.
 
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Discussion Starter #3
P1389 DODGE - No Auto Shutdown Relay Voltage At Powertrain Control Module

You can google the code to find what it is. No ASD relay voltage detected. Check your relays and harness under fuse box in engine compartment and make sure they’re all tight. You could also have a weak or dying battery.
Thank you sir
 
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