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U1192 Dodge 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 loss of communication with the lower switch bank. Common causes include Faulty or damaged wiring harness connecting the lower switch bank to the BCM, Defective lower switch bank or individual switches within the bank, Malfunctioning Body Control Module (BCM). 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 Dodge indicates Lost Communication With Lower Switch Bank.
Common causes
Common causes include Faulty or damaged wiring harness connecting the lower switch bank to the BCM, Defective lower switch bank or individual switches within the bank, Malfunctioning Body Control Module (BCM).
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.
What is this?
Table of contents Created and updated by William Orellana on Oct 17, 2024
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Code U1192 Dodge Description

The U1192 diagnostic trouble code (DTC) indicates that the vehicle's onboard diagnostic system has detected a loss of communication with the lower switch bank. This switch bank typically includes various controls that manage critical functions such as power windows, door locks, and other electronic accessories. When the communication is lost, the affected systems may become inoperative, leading to a range of performance issues.

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

Common Causes of U1192 Dodge

  1. Faulty or damaged wiring harness connecting the lower switch bank to the BCM.
  2. Defective lower switch bank or individual switches within the bank.
  3. Malfunctioning Body Control Module (BCM).
  4. Corrosion or poor connections at the terminals of the switch bank or BCM.
  5. Software glitches or programming issues within the vehicle's control modules.

Symptoms of U1192 Dodge

  1. Inoperable power windows or door locks.
  2. Malfunctioning interior lights or other electronic accessories.
  3. Warning lights illuminated on the dashboard.
  4. Erratic behavior of electronic components, such as flickering lights.
  5. Difficulty in starting the vehicle or intermittent electrical failures.

How to Fix U1192 Dodge

  1. Diagnostic Scan: Begin by performing a thorough diagnostic scan to confirm the U1192 code and check for any related codes that may provide additional context.
  2. Visual Inspection: Conduct a visual inspection of the wiring harness and connectors associated with the lower switch bank and BCM for signs of damage, corrosion, or loose connections.
  3. Test Switches: Test the functionality of the lower switch bank and individual switches using a multimeter to ensure they are operating correctly.
  4. Check BCM: If the switches are functioning properly, test the Body Control Module for faults. This may involve checking for software updates or reprogramming the module if necessary.
  5. Repair or Replace: Based on the findings, repair any damaged wiring, replace faulty switches, or, if necessary, replace the BCM to restore communication with the lower switch bank.

Cost to Fix U1192 Dodge

Repair costs for addressing the U1192 code can vary widely depending on the specific issue identified during diagnosis. On average, the cost may range from $150 to $600. This estimate includes parts such as switches or wiring harnesses, which can vary in price. Labor costs typically range from $80 to $150 per hour, depending on the shop's location and reputation. In metropolitan areas or at dealerships, rates may be higher, while independent shops often offer lower rates. It's advisable for vehicle owners to check local labor rates and obtain multiple quotes for a more accurate estimate tailored to their specific situation.

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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 U1192 Dodge Code

1. What are common symptoms of OBDII code U1192 in a Dodge indicating lost communication with the lower switch bank?

The common symptoms include non-functional controls on the lower switch bank, such as power windows, door locks, or mirror adjustments.

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

The code U1192 is typically triggered by issues such as a faulty switch bank module, damaged wiring harness, loose connections, or a malfunctioning body control module (BCM).

3. How can I diagnose the cause of OBDII code U1192 in my Dodge?

To diagnose the issue, you can start by checking the wiring harness and connections to the lower switch bank, testing the switch bank module, and inspecting the BCM for any faults using a diagnostic scanner.

4. Can a DIY enthusiast repair OBDII code U1192 in a Dodge at home?

Simple repairs like checking and securing connections, replacing a faulty switch bank module, or repairing damaged wiring can be done at home by individuals with basic automotive repair skills and the right tools.

5. What should I do if I encounter OBDII code U1192 in my Dodge but do not have the necessary repair skills?

If you are not comfortable diagnosing or repairing the issue yourself, it is advisable to seek assistance from a qualified mechanic or a Dodge dealership to accurately diagnose and fix the problem.

6. Is it safe to continue driving my Dodge with OBDII code U1192 present?

While the vehicle may still be operable with this code, it is recommended to address the underlying issue promptly to prevent further electrical problems or potential safety hazards associated with the malfunctioning switch bank.

7. How much can I expect to pay for repairing OBDII code U1192 in a Dodge?

The repair costs for OBDII code U1192 can vary depending on the exact cause of the issue, but it typically ranges from $100 to $500, including parts and labor.

8. Can a weak battery cause OBDII code U1192 to appear in a Dodge?

A weak or failing battery can sometimes lead to communication errors within the vehicle's electrical system, potentially triggering code U1192. It is advisable to ensure the battery is in good condition as part of diagnosing this issue.

9. Will resetting the OBDII codes make OBDII code U1192 disappear permanently?

Resetting the codes may temporarily clear the U1192 code, but if the underlying issue causing the lost communication with the lower switch bank is not addressed, the code is likely to reappear upon the next system check.

10. Are there any recalls or technical service bulletins related to OBDII code U1192 in Dodge vehicles?

It is advisable to check with Dodge or authorized service centers for any recalls or technical service bulletins related to code U1192, as manufacturers sometimes release updates or fixes for such issues.

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