AutoCodes – Generic – P0B00

P0B00 Code - Auxiliary Transmission Fluid Pump Motor Phase U Current

Quick Answer

The Engine Control Module (ECM) monitors the Auxiliary Transmission Fluid Pump Motor. Common causes include Faulty Auxiliary Transmission Fluid Pump, Auxiliary Transmission Fluid Pump harness is open or shorted, Auxiliary Transmission Fluid Pump 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
P0B00 indicates Auxiliary Transmission Fluid Pump Motor Phase U Current.
Common causes
Common causes include Faulty Auxiliary Transmission Fluid Pump, Auxiliary Transmission Fluid Pump harness is open or shorted, Auxiliary Transmission Fluid Pump 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 8,469
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 11, 2019
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Code P0B00 Description

The Engine Control Module (ECM) monitors the Auxiliary Transmission Fluid Pump Motor. The ECM sets the OBDII code when the Auxiliary Transmission Fluid Pump Motor signal is out of factory specifications.
OBDII Code P0B00 - Auxiliary Transmission Fluid Pump Motor Phase U Current - AutoCodes.com
P0B00 Code - Auxiliary Transmission Fluid Pump Motor Phase U Current

What are the Possible Causes of the DTC P0B00?

  • Faulty Auxiliary Transmission Fluid Pump
  • Auxiliary Transmission Fluid Pump harness is open or shorted
  • Auxiliary Transmission Fluid Pump circuit poor electrical connection

How to Fix the DTC P0B00?

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 P0B00 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.

Need more information about the P0B00 code?

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Need Help with the Code?

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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 P0B00 Code

1. What are common symptoms of OBDII code P0B00?

- Common symptoms include issues with the transmission fluid pump, such as poor performance, unusual noises, or difficulty shifting gears.

2. What does the OBDII code P0B00 indicate?

- OBDII code P0B00 specifically refers to an issue with the auxiliary transmission fluid pump motor phase U current.

3. What are possible causes of OBDII code P0B00?

- Possible causes include a faulty transmission fluid pump motor, damaged wiring or connectors, or issues with the transmission control module.

4. How can I diagnose the OBDII code P0B00?

- Diagnosing OBDII code P0B00 typically involves using a scan tool to read the code, inspecting the transmission fluid pump motor and related components, and testing the electrical connections.

5. Is it safe to continue driving with OBDII code P0B00?

- It is not recommended to continue driving with OBDII code P0B00, as it can lead to further damage to the transmission system and potentially cause unsafe driving conditions.

6. Can I repair OBDII code P0B00 myself?

- Repairing OBDII code P0B00 may require specialized knowledge and tools, so it is recommended to consult a professional mechanic or technician for proper diagnosis and repair.

7. How much does it cost to fix OBDII code P0B00?

- The cost to fix OBDII code P0B00 can vary depending on the underlying cause of the issue, but it may involve replacing the transmission fluid pump motor, repairing wiring or connectors, or reprogramming the transmission control module.

8. Are there any preventive maintenance tips to avoid OBDII code P0B00?

- Regularly servicing the transmission system, checking for leaks, and addressing any unusual noises or performance issues can help prevent the occurrence of OBDII code P0B00.

9. Can OBDII code P0B00 cause damage to other vehicle components?

- Yes, if left unresolved, OBDII code P0B00 can potentially cause damage to other transmission components and lead to more extensive and costly repairs.

10. How long does it typically take to repair OBDII code P0B00?

- The repair time for OBDII code P0B00 can vary based on the specific issue and the availability of parts, but it may take several hours to a full day to diagnose and fix the problem.

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