Engine-Codes.com
Engine-Codes – Generic – B1619

B1619 Code - Wiper Rear Low Limit Input Circuit Failure

Quick Answer

The B1619 diagnostic trouble code (DTC) indicates a failure in the rear wiper low limit input circuit. Common causes include Faulty low limit switch that fails to send the correct signal to the control module, Damaged or corroded wiring in the rear wiper circuit, Malfunctioning rear wiper motor that does not respond to commands. 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
B1619 indicates Wiper Rear Low Limit Input Circuit Failure.
Common causes
Common causes include Faulty low limit switch that fails to send the correct signal to the control module, Damaged or corroded wiring in the rear wiper circuit, Malfunctioning rear wiper motor that does not respond to commands.
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 06, 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 B1619 Description

The B1619 diagnostic trouble code (DTC) indicates a failure in the rear wiper low limit input circuit. This code is primarily associated with vehicles equipped with rear windshield wipers, which are essential for maintaining visibility during inclement weather. The low limit input circuit is responsible for detecting the position of the rear wiper, ensuring that it operates within its designated range. When this circuit fails, it can lead to improper functioning of the rear wiper, including the inability to activate or deactivate it as intended.

OBDII Code B1619 - Wiper Rear Low Limit Input Circuit Failure
B1619 Code - Wiper Rear Low Limit Input Circuit Failure

Common Causes of B1619

  1. Faulty low limit switch that fails to send the correct signal to the control module.
  2. Damaged or corroded wiring in the rear wiper circuit.
  3. Malfunctioning rear wiper motor that does not respond to commands.
  4. Issues with the vehicle’s body control module (BCM) that affect wiper operation.
  5. Poor connections or shorts in the electrical system related to the rear wiper.

Symptoms of B1619

  1. Rear wiper does not operate at all.
  2. Rear wiper operates intermittently or erratically.
  3. Wiper motor may make unusual noises when attempting to operate.
  4. Warning lights may illuminate on the dashboard related to the wiper system.
  5. Inability to switch the rear wiper between different speeds or settings.

How to Fix B1619

  1. Diagnostic Testing: Begin with a thorough diagnostic scan to confirm the B1619 code and check for any additional codes that may provide insight into the issue.
  2. Visual Inspection: Inspect the wiring harness and connectors associated with the rear wiper system for any signs of damage, corrosion, or loose connections.
  3. Test the Low Limit Switch: Use a multimeter to test the functionality of the low limit switch. If it is defective, it will need to be replaced.
  4. Check the Rear Wiper Motor: Test the rear wiper motor to ensure it is functioning correctly. If the motor is faulty, it should be replaced.
  5. Clear Codes and Test: After repairs, clear the diagnostic codes and perform a functional test of the rear wiper system to ensure it operates correctly.

Cost to Fix B1619

The typical repair costs for addressing the B1619 code can range from $150 to $500, depending on the specific cause of the failure and the parts required for repair. This estimate includes both parts and labor. Labor rates can vary significantly based on location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour; however, rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It is advisable to check local rates for a more precise estimate and to obtain quotes from multiple repair facilities to ensure a fair price.

Need more information about the B1619 code?

Need more information on how to fix the B1619 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1619 code diagnosed by a professional: Find a repair shop in your area

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 B1619 Code

1. What does OBDII code B1619 mean?

Code B1619 indicates a failure in the rear wiper low limit input circuit, which means the system is not detecting the correct position or status of the rear wiper.

2. What are the common symptoms of code B1619?

Symptoms include the rear wiper not functioning properly, stopping in the wrong position, or failing to respond to inputs.

3. What causes the B1619 code to be triggered?

Common causes include a faulty rear wiper motor, damaged wiring or connectors in the circuit, or an issue with the wiper limit switch.

4. Can a blown fuse cause code B1619?

Yes, a blown fuse in the rear wiper circuit can interrupt the electrical flow and trigger this code.

5. How can I diagnose the B1619 code?

Start by inspecting the rear wiper motor, checking for damaged wiring or corroded connectors, and testing the limit switch with a multimeter.

6. Is it safe to drive with the B1619 code active?

Yes, but limited visibility during rain or snow due to a malfunctioning rear wiper can be a safety concern, especially in poor weather conditions.

7. How is the B1619 code typically repaired?

Repairs may involve replacing the rear wiper motor, fixing damaged wiring, cleaning corroded connectors, or replacing the limit switch.

8. Can resetting the code fix the issue permanently?

Resetting the code may temporarily clear it, but the underlying issue must be addressed to prevent the code from returning.

9. How much does it cost to fix the B1619 code?

Costs vary depending on the problem, but replacing a rear wiper motor can range from $150 to $300, while fixing wiring issues may be less expensive.

10. Can I fix the B1619 code myself?

If you have basic mechanical skills, you can inspect wiring and connectors or replace the wiper motor; however, diagnosing more complex electrical issues may require professional help.

Discuss the causes and fixes for B1619 OBDII Code

Submit a New Comment

Code B1619 comments

No comments found for this page.