AutoCodes – Generic – U2501

U2501 Code - Invalid Data Received From Hybrid/EV Powertrain Control Module 2

Quick Answer

Some devices are constantly receiving information from other devices through serial data communication network. Common causes include Reprogram Hybrid/EV Powertrain Control Module 2, Faulty Hybrid/EV Powertrain Control Module 2, Hybrid/EV Powertrain Control Module 2 harness is open or shorted. 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
U2501 indicates Invalid Data Received From Hybrid/EV Powertrain Control Module 2.
Common causes
Common causes include Reprogram Hybrid/EV Powertrain Control Module 2, Faulty Hybrid/EV Powertrain Control Module 2, Hybrid/EV Powertrain Control Module 2 harness is open or shorted.
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 1,476
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 17, 2020
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Code U2501 Description

Some devices are constantly receiving information from other devices through serial data communication network. The invalid data code will be set when a receiving device detects a discrepancy in the information it receives from another device causing its integrity to be questioned. The symptom byte listed in the Diagnostic Trouble Code (DTC) Descriptor is for engineering reference only. No external circuit diagnosis is involved. The DTC will set if the Hybrid/EV Powertrain Control Module 2 is not configured properly.
OBDII Code U2501 - Invalid Data Received From Hybrid/EV Powertrain Control Module 2 - AutoCodes.com
U2501 Code - Invalid Data Received From Hybrid/EV Powertrain Control Module 2

What are the Possible Causes of the DTC U2501?

  • Reprogram Hybrid/EV Powertrain Control Module 2
  • Faulty Hybrid/EV Powertrain Control Module 2
  • Hybrid/EV Powertrain Control Module 2 harness is open or shorted
  • Hybrid/EV Powertrain Control Module 2 circuit poor electrical connection

How to Fix the DTC U2501?

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 U2501 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 U2501 code?

Need more information on how to fix the U2501 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U2501 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • U2501 Buick β€” Invalid Data Received From Hybrid/EV Powertrain Control Module 2
  • U2501 Cadillac β€” Invalid Data Received From Hybrid/EV Powertrain Control Module 2
  • U2501 Chevrolet β€” Invalid Data Received From Hybrid/EV Powertrain Control Module 2
  • U2501 GMC β€” Invalid Data Received From Hybrid/EV Powertrain Control Module 2
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 U2501 Code

1. What are common symptoms of OBDII code U2501?

- Common symptoms of code U2501 include issues with the hybrid or electric powertrain system, reduced fuel efficiency, and potential drivability problems.

2. What could cause the OBDII code U2501 to appear?

- The code U2501 typically appears due to communication errors between modules in the hybrid or electric powertrain system, faulty wiring, or a malfunctioning control module.

3. How can I diagnose the OBDII code U2501?

- Diagnosis of code U2501 involves using a professional OBDII scanner to read the code, checking for other related codes, inspecting wiring connections, and testing the powertrain control module.

4. Can a DIY enthusiast repair the OBDII code U2501?

- While some basic troubleshooting steps can be taken by DIY enthusiasts, repairing code U2501 often requires specialized knowledge and equipment, so it is recommended to consult a professional mechanic.

5. Is it safe to continue driving with the OBDII code U2501 present?

- It is not recommended to continue driving with the code U2501 present, as it may lead to further damage to the hybrid or electric powertrain system and potentially compromise vehicle safety.

6. How can I prevent OBDII code U2501 from reoccurring?

- To prevent the recurrence of code U2501, regular maintenance of the hybrid or electric powertrain system, including checking wiring connections and keeping the control modules updated, is essential.

7. What are the potential risks of ignoring the OBDII code U2501?

- Ignoring code U2501 can lead to more severe issues with the hybrid or electric powertrain system, decreased vehicle performance, and potential safety hazards while driving.

8. Are there any common repair tips for fixing OBDII code U2501?

- Common repair tips for code U2501 may include checking and repairing any damaged wiring, ensuring proper connections between modules, and updating the powertrain control module software.

9. Can weather conditions affect the appearance of OBDII code U2501?

- Extreme weather conditions, such as excessive heat or moisture, can sometimes contribute to the appearance of code U2501 due to potential damage to electrical components in the powertrain system.

10. How long does it typically take to repair OBDII code U2501?

- The repair time for code U2501 can vary depending on the underlying cause and complexity of the issue. It may range from a few hours to a day, depending on the extent of the repairs needed.

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