[SOLVED] P0B89 Code: High Voltage In Hybrid/Electric Vehicle Battery Circuit – Fix Now!

The automobile fault code P0B89 indicates a problem with the hybridelectric vehicle battery pack or the battery interface control module. The most common symptom is the engine light being illuminated or the service engine soon warning light.

To fix this issue, you should visually inspect the wiring harness and connectors for any damage.

Look out for broken, bent, pushed out, or corroded connector pins.

The repair time for this fault code is estimated to be around 1.0 hour.

It is important to address this issue promptly to ensure the proper functioning of your vehicle.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p0b89 fault code.

  • The symptoms of the automobile fault code p0b89 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p0b89 can be caused by a faulty HybridElectric Vehicle Battery Pack or a faulty HybridElectric Vehicle Battery Interface Control Module.

  • The fault code p0b89 can be caused by a faulty Hybrid/Electric Vehicle Battery Pack or a faulty Hybrid/Electric Vehicle Battery Interface Control Module.

To fix the automobile fault code p0b89, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p0b89, start by checking the possible causes mentioned above.
  • Then, visually inspect the wiring harness and connectors related to the issue.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded pins on the connectors.
  • This fix typically takes around 1.0 hour to complete.

The automobile fault code P0B89 has an estimated repair time of 1.0 hour.

Auto repair shops typically charge between $75 and $150 per hour for this type of repair.

The P0B89 fault code refers to a high voltage issue in the HybridElectric Vehicle battery circuit 16.

The battery pack in these vehicles consists of 288 cells, grouped in parallel sets of three. There are a total of 96 cell groups connected in series, with each group rated at 3.7 V.

The nominal system voltage is 355 V DC.

The battery cells are divided into three sections.

Section one has 90 cells (30 cell groups) located adjacent to the cowl, batteries 67 to 96.

Section two is behind section one and contains 72 cells (24 cell groups), batteries 43 to 66.

Section three, the transverse battery section, has the remaining 126 cells (42 cell groups), batteries 1 to 42.

Each section is individually serviceable. The battery energy control module monitors the voltage of the 96 cell groups through hybridEV battery interface control modules.

Voltage sense circuits are attached to each cell group, and the readings are transmitted to the battery energy control module. The battery energy control module communicates with the hybridEV powertrain control module 2 for diagnostics and system status. The P0B89 fault code indicates a high voltage condition in circuit 16 of the HybridElectric Vehicle battery.

This fault is detected by the battery energy control module and communicated to the powertrain control module 2 for further analysis and troubleshooting.

What are the possible causes for the automobile fault code P0B89?

If you see the engine light on or the service engine soon warning light, the fault code P0B89 could be the culprit. This code is often caused by a faulty hybrid/electric vehicle battery pack or a faulty hybrid/electric vehicle battery interface control module. To fix the issue, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins. Don’t forget to check the possible causes listed above for a more comprehensive solution.

How can I visually inspect the wiring harness and connectors to fix the P0B89 fault code?

If you’re dealing with the P0B89 fault code and your engine light is on, it’s time to take action. The most common causes for this code are a faulty hybrid/electric vehicle battery pack or a faulty hybrid/electric vehicle battery interface control module. To fix it, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins. Don’t delay, get to the bottom of this issue and get your engine running smoothly again.

What should I look for when checking for damaged components and connector pins to resolve the P0B89 fault code?

When resolving the P0B89 fault code, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins. This can help identify any issues with the Hybrid/Electric Vehicle Battery Pack or the Hybrid/Electric Vehicle Battery Interface Control Module, which are common causes of this fault code. Don’t forget to check the “Possible Causes” listed above for further troubleshooting.

p0b89 error fault code explained

If you’re seeing the Engine Light ON or the Service Engine Soon Warning Light, the p0b89 fault code might be the culprit. This code is usually caused by a faulty HybridElectric Vehicle Battery Pack or a faulty HybridElectric Vehicle Battery Interface Control Module.

To fix it, visually inspect the wiring harness and connectors, check for damaged components, and look for any broken, bent, pushed out, or corroded connector pins.

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