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Engine-Codes – GMC – B3192 GMC

B3192 GMC Code - Right Rear Window Up Switch Circuit Low

Quick Answer

The B3192 diagnostic trouble code (DTC) indicates a fault in the right rear window up switch circuit, specifically signaling a low voltage condition. Common causes include Faulty right rear window up switch that may be stuck or damaged, Corroded or damaged wiring in the circuit leading to the switch, A malfunctioning body control module (BCM) that fails to process the signals correctly. 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
B3192 GMC indicates Right Rear Window Up Switch Circuit Low.
Common causes
Common causes include Faulty right rear window up switch that may be stuck or damaged, Corroded or damaged wiring in the circuit leading to the switch, A malfunctioning body control module (BCM) that fails to process the signals correctly.
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 02, 2024
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Code B3192 GMC Description

The B3192 diagnostic trouble code (DTC) indicates a fault in the right rear window up switch circuit, specifically signaling a low voltage condition. This code is prevalent in GMC and Chevrolet vehicles and is part of the body control module (BCM) diagnostics. The BCM is responsible for monitoring and controlling various electrical systems in the vehicle, including power windows, locks, and lighting. When the BCM detects that the voltage in the right rear window up switch circuit is below the expected threshold, it triggers the B3192 code.

OBDII Code B3192 GMC - Right Rear Window Up Switch Circuit Low
B3192 GMC Code - Right Rear Window Up Switch Circuit Low

Common Causes of B3192 GMC

  1. Faulty right rear window up switch that may be stuck or damaged.
  2. Corroded or damaged wiring in the circuit leading to the switch.
  3. A malfunctioning body control module (BCM) that fails to process the signals correctly.
  4. Poor ground connection affecting the voltage readings in the circuit.
  5. Short circuits or open circuits within the wiring harness due to wear or environmental damage.

Symptoms of B3192 GMC

  1. Right rear window does not respond to the switch when attempting to raise or lower it.
  2. Intermittent operation of the right rear window, where it may work sporadically.
  3. Other windows may also exhibit erratic behavior, indicating a potential issue with the BCM.
  4. Visual inspection may reveal a damaged or corroded switch or wiring harness.
  5. The vehicle may display additional DTCs related to the power window system.

How to Fix B3192 GMC

  1. Visual Inspection: Start by inspecting the right rear window switch and wiring for any visible signs of damage, corrosion, or loose connections.
  2. Testing the Switch: Use a multimeter to test the right rear window up switch for continuity. A faulty switch should be replaced.
  3. Check Wiring: Trace the wiring harness for any breaks, shorts, or corrosion. Repair or replace any damaged sections as necessary.
  4. BCM Diagnostics: If the switch and wiring are in good condition, perform a diagnostic check on the BCM to ensure it is functioning correctly and not causing the low voltage condition.
  5. Clear Codes and Test: After repairs, clear the DTCs using a scan tool and test the window operation to ensure the issue has been resolved.

Cost to Fix B3192 GMC

** The typical repair costs for addressing the B3192 code can vary widely based on the specific repairs needed. On average, you might expect to pay between $150 and $400. This estimate includes parts such as a new switch or wiring harness, which could range from $50 to $200, and labor costs that typically fall between $80 and $150 per hour. The total time for diagnosis and repair may take 1 to 3 hours, depending on the complexity of the issue and the technician's experience.

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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 B3192 GMC Code

1. What are the common symptoms of OBDII code B3192 GMC?

- Common symptoms include issues with the right rear window not responding to the up switch, the window being stuck in a certain position, or erratic behavior when trying to operate the window.

2. What are the possible causes of the Right Rear Window Up Switch Circuit Low OBDII code?

- Potential causes may include a faulty up switch, damaged wiring or connectors in the right rear window circuit, a malfunctioning window motor, or an issue with the window regulator.

3. How can I diagnose the cause of the B3192 GMC trouble code?

- To diagnose the issue, you can start by checking the wiring and connectors in the right rear window circuit for any damage or corrosion. Testing the up switch and window motor for proper functionality is also recommended.

4. Can I still drive my vehicle with the B3192 GMC trouble code?

- It is generally safe to drive the vehicle with this code, but you may experience inconvenience due to the right rear window not operating correctly. It is recommended to address the issue at your earliest convenience.

5. How can I repair the Right Rear Window Up Switch Circuit Low issue?

- Repair options may include replacing the faulty up switch, repairing or replacing damaged wiring, fixing connector issues, replacing the window motor, or addressing any problems with the window regulator.

6. Are there any DIY tips for fixing the B3192 GMC trouble code?

- DIY enthusiasts can start by inspecting the wiring and connectors themselves, cleaning any corrosion, and testing the up switch and window motor using a multimeter. However, complex repairs may require professional assistance.

7. How much does it typically cost to repair the OBDII code B3192 GMC?

- The cost of repair can vary depending on the specific cause of the issue. Simple fixes like replacing a switch or repairing wiring may be affordable, while more complex problems like a faulty motor or regulator can be more expensive.

8. Can resetting the trouble code resolve the Right Rear Window Up Switch Circuit Low problem?

- Resetting the code may temporarily clear the error, but if the underlying issue is not addressed, the code is likely to reappear. It is best to diagnose and fix the root cause of the problem to prevent further issues.

9. Will the B3192 GMC trouble code illuminate the Check Engine Light?

- This particular code may not trigger the Check Engine Light, as it is related to the right rear window circuit. However, some vehicles may display a warning light or message related to window or electrical system issues.

10. Is it necessary to visit a dealership for repairs related to the B3192 GMC trouble code?

- While a dealership can provide specialized service, independent repair shops and experienced mechanics can also effectively diagnose and repair issues related to the Right Rear Window Up Switch Circuit Low code.

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