Chevrolet P1AAD: Starter/Generator Phase W Circuit

Is your scanner showing Chevrolet P1AAD?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Chevrolet P1AAD: Starter/Generator Phase W Circuit

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Advanced
Repair Cost
:
$400-$1500
Can I Still Drive?
:
No

What Does The Chevrolet P1AAD Code Mean?

Engine running for 30 seconds The SGCM has received voltage on the ignition 0 voltage circuit. The SGCM has turned ON and no configuration DTC are present. This diagnostic shall be run every 100 ms.

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> GM GENUINE 19432141 Generator Battery Control Module

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

GM, 2018 Service Bullettin – PIT4573E No Crank With DTC P1AAB, P1AAC, P1AAD, and/or
P1AAE.

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