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Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

2017 traverse will not shut off

  • Cheryl
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5 years 1 week ago #43890 by Cheryl
2017 traverse will not shut off was created by Cheryl
This traverse won’t shut off. Checking ignition 1 voltage on scan tool I have 7 volts key out of ignition. I’ll turn off remove key the c.e.l will illuminate dimly and that’s the only light that will be on the cluster.checking pin 51 at pcm. Pink wire it’s 7 volts.unhook fuse box and pcm voltage goes away after I remove connector on back of under hood fuse box.the power mode in bcm data matches key positions. Has anyone ran into something like this?? The 7 volts on pin 51 is enough for it to command the Powertrain relay on. I’m wanting to call a fuse box it not sure yet

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5 years 1 week ago #43891 by Cheryl
Replied by Cheryl on topic 2017 traverse will not shut off
But if I use my test light connected to battery negative and probe into pin 51 pink wire of pcm it seems to correct the issue. Due to the test light pulling the voltage low

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