AutoCodes – Generic – U0292

U0292 Code - Lost Communication With Drive Motor Control Module 'B'

Quick Answer

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Common causes include Faulty Drive Motor Control Module 'B', Drive Motor Control Module 'B' harness is open or shorted, Drive Motor Control Module 'B' 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: U0292 indicates Lost Communication With Drive Motor Control Module 'B'.
Common causes: Common causes include Faulty Drive Motor Control Module 'B', Drive Motor Control Module 'B' harness is open or shorted, Drive Motor Control Module 'B' 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.

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Code Popularity 5,197

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0292 Description

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. CAN bus uses two dedicated wires for communication. The wires are called CAN high and CAN low. When the CAN bus is in idle mode, both lines carry 2.5V. When data bits are being transmitted, the CAN high line goes to 3.75V, and the CAN low drops to 1.25V, thereby generating a 2.5V differential between the lines. Since communication relies on a voltage differential between the two bus lines, the CAN bus is NOT sensitive to inductive spikes, electrical fields, or other noise. The Diagnostic Trouble Code (DTC) sets when a periodic message from the Drive Motor Control Module 'B' has not been received.

OBDII Code U0292 - Lost Communication With Drive Motor Control Module 'B' - AutoCodes.com — U0292 Code - Lost Communication With Drive Motor Control Module 'B'

What does this mean?

What are the Possible Causes of the DTC U0292?

Faulty Drive Motor Control Module 'B'
Drive Motor Control Module 'B' harness is open or shorted
Drive Motor Control Module 'B' circuit poor electrical connection

How to Fix the DTC U0292?

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 U0292 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 U0292 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 U0292 Code

1. What are common symptoms of OBDII code U0292?

- Common symptoms include the check engine light coming on, reduced engine power, and difficulty shifting gears.

2. What does OBDII code U0292 mean?

- OBDII code U0292 indicates a communication problem between the vehicle's onboard computer and the Drive Motor Control Module 'B'.

3. What are possible causes of OBDII code U0292?

- Possible causes include wiring issues, a faulty Drive Motor Control Module 'B', software glitches, or a loose connection.

4. How can I diagnose OBDII code U0292?

- Diagnosis typically involves using a diagnostic scanner to retrieve the trouble codes, inspecting the wiring and connectors, and testing the Drive Motor Control Module 'B'.

5. Can I drive my vehicle with OBDII code U0292?

- It is not recommended to drive your vehicle with this code as it can lead to further damage or safety issues. Have it diagnosed and repaired as soon as possible.

6. How can I repair OBDII code U0292?

- Repairs may involve repairing or replacing damaged wiring, fixing loose connections, updating software, or replacing the Drive Motor Control Module 'B'.

7. Is OBDII code U0292 a serious issue?

- While it may not always cause immediate drivability issues, unresolved communication problems between modules can lead to performance issues and potential safety concerns.

8. Can a DIY enthusiast fix OBDII code U0292?

- DIY enthusiasts with knowledge of automotive electrical systems can attempt basic checks like inspecting wiring and connectors, but diagnosing and repairing the issue may require professional help.

9. How much does it cost to repair OBDII code U0292?

- Repair costs can vary depending on the exact cause of the issue, but expect to pay for diagnostics, parts, and labor. It's best to get a few quotes from different repair shops.

10. How do I prevent OBDII code U0292 from happening again?

- To prevent this code from recurring, regularly inspect and maintain your vehicle's wiring harnesses, connectors, and modules. Follow recommended maintenance schedules to avoid potential issues.