Engine-Codes.com
Engine-Codes – Generic – U145D

U145D Code - Implausible Data Received From TCM On D-PT

Quick Answer

The diagnostic trouble code U145D indicates that there is implausible data being received from the Transmission Control Module (TCM) on the Data Bus PT. Common causes include Faulty wiring connections, Malfunctioning TCM, Software glitches. 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
U145D indicates Implausible Data Received From TCM On D-PT.
Common causes
Common causes include Faulty wiring connections, Malfunctioning TCM, Software glitches.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code U145D Description

The diagnostic trouble code U145D indicates that there is implausible data being received from the Transmission Control Module (TCM) on the Data Bus PT. This can cause a disruption in communication between the TCM and other modules in the vehicle, leading to potential performance issues. The TCM plays a crucial role in managing the transmission system, including gear shifting, torque converter lockup, and overall transmission performance. When the TCM is not communicating properly with other modules, it can lead to erratic transmission behavior, poor fuel efficiency, and potential safety hazards.

OBDII Code U145D - Implausible Data Received From TCM On D-PT
U145D Code - Implausible Data Received From TCM On D-PT

Common Causes of U145D

  1. Faulty wiring connections
  2. Malfunctioning TCM
  3. Software glitches
  4. Issues with the Data Bus PT
  5. Electrical interference or corrosion in connectors

Symptoms of U145D

  1. Erratic shifting or difficulty changing gears
  2. Transmission slipping or jerking
  3. Loss of power or acceleration
  4. Vehicle going into limp mode
  5. Check Engine Light illuminated

How to Fix U145D

  1. Use a diagnostic scan tool to retrieve the fault codes and pinpoint the exact cause of the issue.
  2. Inspect wiring connections and repair any damaged or loose connections.
  3. Test the TCM for proper operation and replace if necessary.
  4. Check for software updates for the TCM and reprogram if needed.
  5. Clear the fault codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix U145D

The typical repair costs for addressing the U145D code can range from $200 to $600, depending on the exact cause of the issue and the parts needed for repair. This estimate includes parts and labor, but it is essential to note that prices can vary based on factors such as location, vehicle make and model, and the expertise of the auto repair shop. Diagnosing and repairing this issue may require several hours of labor, so it is advisable to check local rates for a more accurate estimate.

Need more information about the U145D code?

Need more information on how to fix the U145D code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U145D code diagnosed by a professional: Find a repair shop in your area

Code U145D Information for Specific Makes

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 U145D Code

1. What does the OBDII code U145D mean?

U145D indicates "Implausible Data Received From TCM On D-PT," meaning the transmission control module (TCM) has transmitted data that the powertrain control module (PCM) considers invalid or inconsistent.

2. What are common symptoms of the U145D code?

Symptoms may include a check engine light, erratic transmission shifting, poor acceleration, or a vehicle stuck in limp mode.

3. What causes the U145D code to appear?

Common causes include a faulty TCM, wiring or connection issues between the TCM and PCM, or corrupted or outdated software in one of the modules.

4. Can driving with the U145D code cause further damage?

Yes, driving with this code can lead to further damage to the transmission or engine components if the issue is not resolved promptly.

5. How do you diagnose the U145D code?

Diagnosing involves scanning with an OBDII tool, inspecting wiring and connections between the TCM and PCM, and checking for software updates or faults in the TCM.

6. Can a faulty TCM cause the U145D code?

Yes, a faulty TCM is one of the primary causes of this code, as it may send corrupted or implausible data to the PCM.

7. How can the U145D code be fixed?

Repairs may include updating or reprogramming the TCM, repairing damaged wiring or connectors, or replacing the TCM if it’s faulty.

8. Will clearing the code fix the U145D issue?

Clearing the code may temporarily remove the warning, but the underlying issue must be fixed to prevent the code from returning.

9. Does the U145D code always mean a hardware failure?

No, it can also be caused by software-related issues, such as outdated module firmware or corrupted communication data.

10. How much does it cost to repair the U145D code?

Repair costs vary based on the root cause, ranging from $100 for wiring repairs to $1,000 or more for TCM replacement and reprogramming.

Discuss the causes and fixes for U145D OBDII Code

Submit a New Comment

Code U145D comments

No comments found for this page.