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Discussion Starter #1
Hey everybody well i have my codes i have 2
0 520 269 with a 3 and 1 520 270 aloso with a 3
It seems to run in a ruduced power mode at time could the IAC be freezing?? it is very cold here i have not recieved my manual yet.
 

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Sounds like a short in the IAC:

Idle Air Control Valve (IAC) M17; IAC Stepper Pin 4 Driver Circuit Open / Grounded 520269 5 P1525

Driver Circuit Short to B+
3 P1529

Driver Circuit Grounded
4 P1528
Idle Air Control Valve (IAC) M17; IAC Stepper Pin 6 Driver Circuit Open / Grounded 520270 5 P1535

Driver Circuit Short to B+
3 P1539

Driver Circuit Grounded
4 P1538
 

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Sounds like a short in the IAC:

Idle Air Control Valve (IAC) M17; IAC Stepper Pin 4 Driver Circuit Open / Grounded 520269 5 P1525

Driver Circuit Short to B+
3 P1529

Driver Circuit Grounded
4 P1528
Idle Air Control Valve (IAC) M17; IAC Stepper Pin 6 Driver Circuit Open / Grounded 520270 5 P1535

Driver Circuit Short to B+
3 P1539

Driver Circuit Grounded
4 P1538
 

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Where is the most common ground issue? I have replaced the pigtail but still getting the pin error 4&6
 
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