AutoCodes – Generic – P0C30

P0C30 Code - Hybrid Battery Pack State of Charge High

Quick Answer

The Power management control ECU monitors its internal operation, it will set DTCs and perform fail-safe control when it detects the following malfunctions. Common causes include Faulty Power management control ECU, Power management control ECU harness is open or shorted, Power management control ECU 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: P0C30 indicates Hybrid Battery Pack State of Charge High.
Common causes: Common causes include Faulty Power management control ECU, Power management control ECU harness is open or shorted, Power management control ECU 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 6,228

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
Comments
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Code P0C30 Description

The Power management control ECU monitors its internal operation, it will set DTCs and perform fail-safe control when it detects the following malfunctions.

OBDII Code P0C30 - Hybrid Battery Pack State of Charge High - AutoCodes.com — P0C30 Code - Hybrid Battery Pack State of Charge High

What does this mean?

What are the Possible Causes of the DTC P0C30?

Faulty Power management control ECU
Power management control ECU harness is open or shorted
Power management control ECU circuit poor electrical connection

How to Fix the DTC P0C30?

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 P0C30 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 P0C30 code?

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Information for Specific Makes

P0C30 Lexus — Hybrid Battery Pack State of Charge High
P0C30 Toyota — Hybrid Battery Pack State of Charge High

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.