Chevrolet P1A09: Battery Energy Control Module Hybrid System Voltage

Is your scanner showing Chevrolet P1A09?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Chevrolet P1A09: Battery Energy Control Module Hybrid System Voltage

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Advanced
Repair Cost
:
$500-$3500
Can I Still Drive?
:
No

What Does The Chevrolet P1A09 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.

What Are The Potential Causes Of The Chevrolet P1A09 Code?

For the ESCM running reset fault P1A00, this can be caused if the 12-volt battery drops below 9 volts. If this DTC is set, check if there were any instances that the 12-volt battery could have gotten low or disconnected, and if so, ignore/clear this fault.

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 Parts Battery Energy Control Module (Programming Required By Automotive Professional)

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

Reference Sources

Chevrolet P1A09, DTCDECODE.

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