Comment on P06A3 – Sensor Reference Voltage “D” Circuit/Open by Sonny

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Sonny

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Need help with this code on a 2015 GMC Sierra Duramax LML. Complete delete and tuned

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grcauto

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Can you look at live data with your scan tool? The PCM is reporting a open in the 5 volt reference.
 

kev2

wrench
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PCM has 4 internal 5V reference circuits. one of yours is NFG your issue is reference circuit 4.
That is, Accelerator pedal position sensor 1 and Throttle position sensor.
disconnect one at a time see if circuit resets.



WTF is delete (and tuned) ?

KISS keep it STOCK keep it dependable
 

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