The automobile fault code P0B04 indicates a problem with the Auxiliary Transmission Fluid Pump. This can be identified by the Engine Light or Service Engine Soon Warning Light turning on.

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 hour.

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 p0b04 fault code.

  • The symptoms of the automobile fault code p0b04 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p0b04 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 p0b04 can be caused by: a faulty Auxiliary Transmission Fluid Pump, an open or shorted Auxiliary Transmission Fluid Pump harness, and a poor electrical connection in the Auxiliary Transmission Fluid Pump circuit.

To fix the p0b04 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p0b04, 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 is estimated to take approximately 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code p0b04 based on the estimated repair time of 1.0 hour include the hourly rate charged by auto repair shops, which typically ranges between $75 and $150.

The P0B04 fault code refers to the Auxiliary Transmission Fluid Pump Motor Phase V Current being low. This code is set by the Engine Control Module (ECM) when the signal from the motor is not within the factory specifications.

The ECM monitors the operation of the Auxiliary Transmission Fluid Pump Motor and detects when the current is lower than expected. This fault code indicates a potential issue with the motor’s electrical circuit or the motor itself.

It is important to address this problem promptly to ensure proper functioning of the transmission system.

What are the possible causes for the automobile fault code p0b04?

If you see the engine light or service engine soon warning light on, the fault code P0B04 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 p0b04?

If you’re dealing with the fault code p0b04 and your engine light is on, it’s time to take a closer look at the wiring harness and connectors. The most common cause of this issue is a faulty auxiliary transmission fluid pump, but it could also be due to an open or shorted harness or a poor electrical connection. To fix it, visually inspect the wiring harness and connectors for any signs of damage. Check for broken, bent, pushed out, or corroded pins on the connectors. Don’t forget to consider the possible causes mentioned earlier.

What should I look for when checking for damaged components and connector’s pins to resolve the fault code p0b04?

When resolving the fault code p0b04, 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. These issues can cause a poor electrical connection or an open/short circuit in the Auxiliary Transmission Fluid Pump harness, leading to the engine light being ON. By addressing these potential causes, you can effectively fix the problem.

p0b04 error fault code explained

If your engine light is on and you’re seeing the P0B04 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, checking for any damage or corrosion. Look out for broken or bent pins as well.

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