AutoCodes – Lincoln – U0293 Lincoln

U0293 Lincoln Code - Lost Communication With Hybrid Powertrain Control Module

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 Hybrid Powertrain Control Module, Hybrid Powertrain Control Module harness is open or shorted, Hybrid Powertrain Control Module 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: U0293 Lincoln indicates Lost Communication With Hybrid Powertrain Control Module.
Common causes: Common causes include Faulty Hybrid Powertrain Control Module, Hybrid Powertrain Control Module harness is open or shorted, Hybrid Powertrain Control Module 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 849

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 U0293 Lincoln 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 Hybrid Powertrain Control Module has not been received.

OBDII Code U0293 Lincoln - Lost Communication With Hybrid Powertrain Control Module - AutoCodes.com — U0293 Lincoln Code - Lost Communication With Hybrid Powertrain Control Module

What does this mean?

What are the Possible Causes of the DTC U0293 Lincoln?

Faulty Hybrid Powertrain Control Module
Hybrid Powertrain Control Module harness is open or shorted
Hybrid Powertrain Control Module circuit poor electrical connection

How to Fix the DTC U0293 Lincoln?

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 U0293 Lincoln 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.

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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 U0293 Lincoln Code

1. What does the OBDII code U0293 mean on a Lincoln?

The U0293 code indicates a loss of communication with the Hybrid Powertrain Control Module (HPCM), which is responsible for managing hybrid system operations.

2. What are the common symptoms of the U0293 code in a Lincoln?

Symptoms may include the check engine light turning on, reduced fuel efficiency, limited power, or the hybrid system not functioning properly.

3. What causes the U0293 code to appear in a Lincoln?

Common causes include a faulty Hybrid Powertrain Control Module, wiring issues, poor electrical connections, or a failure in the CAN (Controller Area Network) communication system.

4. Can a weak or dead battery trigger the U0293 code?

Yes, a weak or dead 12V or hybrid battery can lead to communication issues with the Hybrid Powertrain Control Module, causing the U0293 code.

5. How can I fix the U0293 code on my Lincoln?

Start by checking and repairing any damaged wiring or connectors. If the issue persists, the Hybrid Powertrain Control Module may need reprogramming or replacement.

6. Is it safe to drive my Lincoln with the U0293 code active?

Driving with the U0293 code can lead to reduced performance or hybrid system failure. Itâ€™s best to address the issue as soon as possible to avoid further damage.

7. How do I diagnose the U0293 code in a Lincoln?

Use a diagnostic scanner to check for communication issues with the Hybrid Powertrain Control Module, inspect wiring and connectors, and test the module if necessary.

8. Can a software update fix the U0293 code in a Lincoln?

Yes, in some cases, reprogramming or updating the software of the Hybrid Powertrain Control Module can resolve the issue.

9. Does the U0293 code indicate a major problem with the hybrid system?

The code signals a communication issue, which could range from minor wiring problems to a major module failure. Diagnosis is key to determining the severity.

10. What tools are needed to troubleshoot the U0293 code on a Lincoln?

A diagnostic scanner capable of reading hybrid system codes and testing CAN communication, along with a multimeter, is typically required for troubleshooting.