Engine-CodesGeneric – U1192

U1192 Code - Lost Communication With Lower Switch Bank

Quick Answer

The U1192 diagnostic trouble code (DTC) indicates that the vehicle's onboard diagnostic system has detected a communication failure with the lower switch bank. Common causes include Faulty wiring or connectors in the lower switch bank circuit, Corrosion or moisture ingress in the switch bank components, Defective switch bank module. 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
U1192 indicates Lost Communication With Lower Switch Bank.
Common causes
Common causes include Faulty wiring or connectors in the lower switch bank circuit, Corrosion or moisture ingress in the switch bank components, Defective switch bank module.
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.
Table of contents Created and updated by William Orellana on Sep 07, 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 U1192 Description

The U1192 diagnostic trouble code (DTC) indicates that the vehicle's onboard diagnostic system has detected a communication failure with the lower switch bank. The lower switch bank typically refers to a group of switches located on the lower portion of the vehicle's dashboard or center console. These switches may control functions such as power windows, door locks, mirrors, or other vehicle accessories.

OBDII Code U1192 - Lost Communication With Lower Switch Bank
U1192 Code - Lost Communication With Lower Switch Bank

Common Causes of U1192

  1. Faulty wiring or connectors in the lower switch bank circuit
  2. Corrosion or moisture ingress in the switch bank components
  3. Defective switch bank module
  4. Communication bus malfunction
  5. Software issues in the vehicle's control module

Symptoms of U1192

  1. Inoperative power windows or door locks
  2. Non-functioning mirror adjustment controls
  3. Unresponsive HVAC controls
  4. Malfunctioning interior lighting
  5. Illumination of warning lights on the instrument cluster

How to Fix U1192

  1. Begin by conducting a visual inspection of the lower switch bank components, checking for any visible damage, corrosion, or loose connections.
  2. Use a multimeter to test the continuity of the wiring harness and connectors associated with the lower switch bank.
  3. If no issues are found with the wiring, proceed to test the switch bank module for proper functionality or replace it if necessary.
  4. Check the communication bus for any faults or disruptions, ensuring proper communication between the switch bank and the vehicle's control module.
  5. If the issue persists, consider reprogramming or updating the software in the control module to address any potential software-related issues.

Cost to Fix U1192

The typical repair costs for addressing the U1192 code can vary depending on the specific vehicle make and model, the extent of the issue, and labor rates in your area. On average, repairing a communication failure with the lower switch bank may range from $150 to $500, including parts and labor. It's important to note that additional diagnostic time may be required to pinpoint the exact cause of the problem, so it's advisable to consult with a professional technician for a more accurate cost estimate. Labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150, so it's recommended to inquire about local rates for a more precise estimate.

Need more information about the U1192 code?

Need more information on how to fix the U1192 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1192 code diagnosed by a professional: Find a repair shop in your area

Code U1192 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 U1192 Code

1. What are the common symptoms of OBDII code U1192 (Lost Communication With Lower Switch Bank)?

- Common symptoms include non-functional switches on the lower switch bank, such as power windows, door locks, or other interior controls.

2. What are the possible causes of OBDII code U1192?

- Possible causes include damaged wiring or connectors in the lower switch bank, a faulty switch bank module, or a communication error in the vehicle's network.

3. How can I diagnose the issue related to OBDII code U1192?

- Diagnose by checking the wiring and connectors in the lower switch bank, testing the switch bank module, and using a scan tool to verify communication errors in the vehicle's network.

4. Is it safe to continue driving with OBDII code U1192 present?

- It is generally safe to drive with this code, but it is recommended to address the issue promptly to prevent further electrical problems in the vehicle.

5. Can I reset the OBDII code U1192 myself?

- Yes, you can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes. However, the code may return if the underlying issue is not fixed.

6. How much does it cost to repair OBDII code U1192?

- The cost of repair can vary depending on the root cause of the issue. It may range from a simple wiring repair to replacing the switch bank module, so it is best to consult a professional for an accurate estimate.

7. Are there any DIY repair tips for fixing OBDII code U1192?

- DIY repair tips include checking for loose or damaged wiring, ensuring proper connections in the switch bank, and testing the functionality of individual switches before replacing any components.

8. Can a bad battery cause OBDII code U1192 to appear?

- A weak or failing battery can sometimes cause communication issues in the vehicle's network, which may trigger code U1192. It is recommended to check the battery's condition as part of the diagnostic process.

9. Will OBDII code U1192 affect the vehicle's performance?

- This code is more related to electrical communication issues and is unlikely to directly impact the vehicle's performance. However, it can lead to inconvenience if interior switches stop working properly.

10. Is it necessary to visit a mechanic for OBDII code U1192, or can I fix it myself?

- Depending on your knowledge and experience with automotive electrical systems, you may be able to diagnose and fix the issue yourself. However, if you are unsure or the problem persists, it is advisable to seek professional help to ensure proper repair and avoid further complications.

Discuss the causes and fixes for U1192 OBDII Code

Code U1192 comments

No comments found for this page.