[SOLVED] P0B05 Code – High Current In Auxiliary Transmission Fluid Pump Motor: How To Fix It!

The automobile fault code P0B05 indicates a problem with the Auxiliary Transmission Fluid Pump. This can be identified by the Engine Light being ON or the Service Engine Soon Warning Light appearing. The cause of this fault code could be a faulty pump, an open or shorted harness, or a poor electrical connection in the pump circuit.

To fix this issue, it is recommended to visually inspect the wiring harness and connectors for any damage. Look out for broken, bent, pushed out, or corroded pins in the connectors. The repair time for this problem is estimated to be around 1.0.

It is important to address this issue promptly to prevent further damage to the transmission system.

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 p0b05 fault code.

  • The symptoms of the automobile fault code p0b05 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p0b05 can be caused by a faulty auxiliary transmission fluid pump, an open or shorted harness, or a poor electrical connection in the pump circuit.

  • The fault code p0b05 can be caused by: a faulty auxiliary transmission fluid pump, an open or shorted harness for the auxiliary transmission fluid pump, and a poor electrical connection in the auxiliary transmission fluid pump circuit.

To fix the automobile fault code p0b05, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p0b05, first, check 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 in the connectors.
  • This fix is estimated to take approximately 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code p0b05 are the estimated repair time and the hourly rate charged by auto repair shops. The estimated repair time for this fault code is 1.0 hour. Auto repair shops typically charge between $75 and $150 per hour for their services.

These factors will determine the overall cost of diagnosing and fixing the p0b05 fault code.

The P0B05 fault code refers to the Auxiliary Transmission Fluid Pump Motor Phase V Current being too high. This code is set by the Engine Control Module (ECM) when it detects that the signal from the motor is outside of the factory specifications. The ECM monitors the Auxiliary Transmission Fluid Pump Motor to ensure it is functioning correctly.

When the motor’s current exceeds the expected levels, it triggers the P0B05 fault code.

This code indicates that there may be an issue with the motor’s phase V current, which could lead to problems with the transmission fluid pump. If you encounter this fault code, it is important to have your vehicle inspected by a qualified technician.

They will be able to diagnose the exact cause of the high current and determine the necessary repairs. Ignoring this issue could potentially lead to further damage to the transmission system.

What are the possible causes for the automobile fault code p0b05?

If you see the engine light or service engine soon warning light on, the fault code P0B05 could be the culprit. This code is often caused by a faulty auxiliary transmission fluid pump, an open or shorted harness, or a poor electrical connection in the pump circuit. To fix the issue, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Also, look out for broken, bent, pushed out, or corroded pins in the connectors. Don’t forget to check the possible causes mentioned above.

How can I visually inspect the wiring harness and connectors to fix the fault code p0b05?

To fix fault code P0B05, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check if there are any broken, bent, pushed out, or corroded pins in the connectors. This can help identify if the issue lies with a faulty auxiliary transmission fluid pump or if there is an open or shorted circuit in the pump’s harness. Take note of any findings to further troubleshoot and resolve the problem.

What should I look for when checking for damaged components and connector’s pins to resolve the fault code p0b05?

When resolving the fault code p0b05, start by checking for damaged components and connector’s pins. This can be done by visually inspecting the related wiring harness and connectors. Look for any signs of damage such as broken, bent, pushed out, or corroded pins. By doing so, you can identify any issues with the Auxiliary Transmission Fluid Pump or its circuit connections. This will help you pinpoint the cause of the fault and take the necessary steps to fix it.

p0b05 error fault code explained

If your engine light is on and you’re getting the P0B05 fault code, it could be due to a faulty auxiliary transmission fluid pump or issues with the pump’s harness and electrical connection. To fix it, visually inspect the wiring harness and connectors for any damage or corrosion. Look out for broken or bent pins as well.

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