AutoCodes – Generic – P0B36

P0B36 Code - High Voltage Service Disconnect Circuit High

Quick Answer

The Engine Control Module (ECM) monitors the High Voltage Service Disconnect Port. Common causes include Faulty Voltage Service Disconnect Port, Voltage Service Disconnect Port harness is open or shorted, Voltage Service Disconnect Port 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: P0B36 indicates High Voltage Service Disconnect Circuit High.
Common causes: Common causes include Faulty Voltage Service Disconnect Port, Voltage Service Disconnect Port harness is open or shorted, Voltage Service Disconnect Port 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 1,627

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 Mar 07, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0B36 Description

The Engine Control Module (ECM) monitors the High Voltage Service Disconnect Port. The ECM sets the OBDII code when the High Voltage Service Disconnect Port is not to factory specifications.

OBDII Code P0B36 - High Voltage Service Disconnect Circuit High - AutoCodes.com — P0B36 Code - High Voltage Service Disconnect Circuit High

What does this mean?

What are the Possible Causes of the DTC P0B36?

Faulty Voltage Service Disconnect Port
Voltage Service Disconnect Port harness is open or shorted
Voltage Service Disconnect Port circuit poor electrical connection

How to Fix the DTC P0B36?

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 P0B36 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 P0B36 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.