AutoCodes – Generic – U0219

U0219 Code - Lost Communication With Door Switch Module 'E'

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 Door Switch Module 'E', Door Switch Module 'E' harness is open or shorted, Door Switch Module 'E' 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: U0219 indicates Lost Communication With Door Switch Module 'E'.
Common causes: Common causes include Faulty Door Switch Module 'E', Door Switch Module 'E' harness is open or shorted, Door Switch Module 'E' 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 2,534

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 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0219 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 Door Switch Module 'E' has not been received.

OBDII Code U0219 - Lost Communication With Door Switch Module 'E' - AutoCodes.com — U0219 Code - Lost Communication With Door Switch Module 'E'

What does this mean?

What are the Possible Causes of the DTC U0219?

Faulty Door Switch Module 'E'
Door Switch Module 'E' harness is open or shorted
Door Switch Module 'E' circuit poor electrical connection

How to Fix the DTC U0219?

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 U0219 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 U0219 Code

1. What does the OBDII code U0219 mean?

U0219 indicates that the vehicle's control modules have lost communication with Door Switch Module 'E' over the CAN bus network.

2. What are the common symptoms of code U0219?

Symptoms may include inoperative door locks, unresponsive power windows, malfunctioning interior lights, or warning lights on the dashboard.

3. What causes the U0219 code to appear?

Common causes include a faulty Door Switch Module 'E,' damaged wiring or connectors, a malfunctioning CAN bus network, or a problem with the vehicle's power or ground connections.

4. How do I diagnose the U0219 code?

Diagnose the code by inspecting the wiring and connectors for damage, testing the Door Switch Module 'E,' and using a scan tool to verify communication on the CAN bus network.

5. Can a weak battery cause the U0219 code?

Yes, a weak or failing battery can disrupt communication between modules and trigger the U0219 code.

6. How do I fix the U0219 code?

Repairs may include replacing the Door Switch Module 'E,' repairing damaged wiring or connectors, or resetting the system after fixing the underlying issue.

7. Is it safe to drive with a U0219 code?

While it may be safe to drive, the affected features like door locks or windows may not function properly, which could be inconvenient or pose safety risks.

8. Can a blown fuse cause the U0219 code?

Yes, a blown fuse that supplies power to the Door Switch Module 'E' can cause a loss of communication and trigger the code.

9. How much does it cost to fix the U0219 code?

Repair costs vary depending on the issue but can range from $100 to $500, depending on whether the Door Switch Module 'E' needs replacement or if it's just a wiring repair.

10. Can I clear the U0219 code without repairing the issue?

Clearing the code without addressing the root cause will not resolve the issue, and the code is likely to reappear.