AutoCodes – Chevrolet – P0A0C Chevrolet

P0A0C Chevrolet Code - High Voltage System Interlock Circuit Low

Quick Answer

The Diagnostic Trouble Code (DTC) monitors sensed voltage when the command voltage is high to determine if the circuit is faulty. Common causes include Faulty High Voltage System Interlock, High Voltage System Interlock harness is open or shorted, High Voltage System Interlock circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0A0C Chevrolet indicates High Voltage System Interlock Circuit Low.
Common causes: Common causes include Faulty High Voltage System Interlock, High Voltage System Interlock harness is open or shorted, High Voltage System Interlock circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 6,050

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 11, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
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Code P0A0C Chevrolet Description

The Diagnostic Trouble Code (DTC) monitors sensed voltage when the command voltage is high to determine if the circuit is faulty.

OBDII Code P0A0C Chevrolet - High Voltage System Interlock Circuit Low - AutoCodes.com — P0A0C Chevrolet Code - High Voltage System Interlock Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0A0C Chevrolet?

Faulty High Voltage System Interlock
High Voltage System Interlock harness is open or shorted
High Voltage System Interlock circuit poor electrical connection

How to Fix the DTC P0A0C Chevrolet?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0A0C Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0A0C Chevrolet code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.