AutoCodesGeneric – P0B17

P0B17 Code - Hybrid Battery Pack Voltage Sense 'B' Circuit High

Quick Answer

The Engine Control Module (ECM) monitors the Hybrid Battery Pack Voltage Sensor 'B' Circuit. Common causes include Faulty Hybrid Battery Pack, Hybrid Battery Pack harness is open or shorted, Hybrid Battery Pack 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
P0B17 indicates Hybrid Battery Pack Voltage Sense 'B' Circuit High.
Common causes
Common causes include Faulty Hybrid Battery Pack, Hybrid Battery Pack harness is open or shorted, Hybrid Battery Pack 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 1,580
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 07, 2020
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Code P0B17 Description

The Engine Control Module (ECM) monitors the Hybrid Battery Pack Voltage Sensor 'B' Circuit. The ECM sets the OBDII code when the Hybrid Battery Pack Voltage Sensor 'B' Circuit signal is out of factory specifications.
OBDII Code P0B17 - Hybrid Battery Pack Voltage Sense 'B' Circuit High - AutoCodes.com
P0B17 Code - Hybrid Battery Pack Voltage Sense 'B' Circuit High

What are the Possible Causes of the DTC P0B17?

  • Faulty Hybrid Battery Pack
  • Hybrid Battery Pack harness is open or shorted
  • Hybrid Battery Pack circuit poor electrical connection

How to Fix the DTC P0B17?

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 P0B17 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.

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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.

Frequently Asked Questions about P0B17 Code

What does the OBDII code P0B17 mean?

The code P0B17 indicates a problem with the "Hybrid Battery Pack Voltage Sense 'B' Circuit High," meaning the voltage in a specific section of the hybrid battery pack is higher than expected.

What are the common symptoms of code P0B17?

Symptoms may include the check engine light or hybrid warning light turning on, reduced fuel efficiency, limited hybrid system performance, or the vehicle switching to a fail-safe mode.

What causes the P0B17 code to appear?

Common causes include a faulty voltage sensor, damaged wiring or connectors in the hybrid battery pack, a malfunctioning battery control module, or an internal issue within the hybrid battery itself.

Can I drive with the P0B17 code present?

It’s not recommended to continue driving with this code, as it may lead to further damage to the hybrid battery system or reduced vehicle performance.

How is the P0B17 code diagnosed?

Diagnosis typically involves using a scan tool to read live data, testing the voltage sensor, inspecting the hybrid battery pack wiring and connections, and checking the battery control module for faults.

What repairs are needed to fix the P0B17 code?

Repairs may include replacing a faulty voltage sensor, repairing or replacing damaged wiring or connectors, reprogramming or replacing the battery control module, or servicing the hybrid battery pack.

Can a weak hybrid battery cause the P0B17 code?

Yes, a weak or failing hybrid battery can cause voltage irregularities, triggering the P0B17 code.

How much does it cost to fix the P0B17 code?

Repair costs can vary widely but may range from $200-$500 for sensor or wiring repairs to over $2,000 if the hybrid battery pack needs replacement.

Can a software update resolve the P0B17 code?

In some cases, a software update for the battery control module may resolve the issue, especially if it's caused by incorrect voltage monitoring parameters.

How can I prevent the P0B17 code from occurring?

Regular maintenance of the hybrid system, including inspecting battery pack components, checking for damaged wiring, and updating software as needed, can help prevent this code from appearing.

Discuss the causes and fixes for P0B17 OBDII Code

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