The P1B74 automobile fault code indicates a problem with the HybridElectric Vehicle Battery Pack or the Battery Interface Control Module. The most common symptom is the Engine Light turning on.

The cause of this issue is usually a faulty battery pack or control module.

The repair process involves visually inspecting the wiring harness and connectors for any damage or corrosion. The importance of fixing this issue lies in the fact that it can affect the performance of the vehicle. The difficulty level of the repair is moderate, and it takes around 1.0 hour to fix.

To interpret the fault code, one needs to use an OBD-II scanner.

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

If you notice the Engine Light ON or Service Engine Soon Warning Light, it could be a sign of p1b74 fault code.

Here are the symptoms to look out for:

  • The P1B74 fault code in an automobile can cause the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.

The P1B74 fault code can be caused by a faulty battery pack or battery interface control module in hybridelectric vehicles.

  • The automobile fault code P1B74 can be caused by a faulty Hybrid/Electric Vehicle Battery Pack.
  • It can also be caused by a faulty Hybrid/Electric Vehicle Battery Interface Control Module.
  • These are the only two causes of this particular fault code.

Below are the possible fixes for the automobile fault code p1b74, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code P1B74, first, check the possible causes listed above.
  • Then, visually inspect the related wiring harness and connectors.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The automobile fault code P1B74 has an estimated repair time of 1.0 hour.

The cost of fixing this fault code is influenced by the repair time.

Most auto repair shops charge between $75 and $150 per hour for their services.

Therefore, the fixing cost of P1B74 will depend on the hourly rate charged by the repair shop.

It is important to consider the repair time and cost when diagnosing and fixing this fault code.

The P1B74 code indicates a high voltage in the HybridElectric Vehicle Battery 48 Circuit.

The battery pack contains 288 cells grouped in parallel and series.

The battery energy control module monitors the voltage of the 96 battery cell groups through the four hybridEV battery interface control modules. The battery energy control module communicates diagnostics and system status to the hybridEV powertrain control module 2 through serial data. The hybridEV powertrain control module 2 is the host controller for diagnostic trouble code information.

What are the possible causes of the P1B74 automobile fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the P1B74 fault code. This code is usually caused by a faulty hybrid/electric vehicle battery pack or a faulty hybrid/electric vehicle battery interface control module. To fix this issue, you should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

How can one visually inspect the related wiring harness and connectors to fix the P1B74 fault code?

If you’re experiencing the P1B74 fault code, which is indicated by the Engine Light ON or Service Engine Soon Warning Light, you may have a faulty Hybrid/Electric Vehicle Battery Pack or a faulty Hybrid/Electric Vehicle Battery Interface Control Module. To fix this issue, you should visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. This will help you identify any issues and determine the best course of action to take.

What are the consequences of ignoring the P1B74 fault code?

Ignoring the P1B74 fault code, which indicates a faulty hybrid/electric vehicle battery pack or interface control module, can lead to serious consequences such as reduced fuel efficiency, decreased power output, and even complete failure of the vehicle’s hybrid system. It is important to address the issue promptly by visually inspecting the wiring harness and connectors, checking for damaged components, and looking for broken, bent, pushed out, or corroded connector’s pins.

p1b74 error fault code explained

If your engine light is on, it could be due to a faulty hybridelectric vehicle battery pack or interface control module. Check the possible causes, inspect wiring and connectors, and look for damaged components or corroded pins.

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