How to Diagnose and Solve B1968 A/C Water Pump Detection Circuit Failure Issues

Introduction

If you’re experiencing issues with your car’s air conditioning system, it could be due to a B1968 A/C water pump detection circuit failure. This issue can be frustrating and inconvenient, but with the right knowledge and tools, you can diagnose and solve the problem yourself. In this article, we’ll provide you with step-by-step instructions and useful tips to help you fix the issue and get your A/C system back up and running.

What is B1968 A/C Water Pump Detection Circuit Failure?

B1968 is a diagnostic trouble code (DTC) that indicates a problem with the A/C water pump detection circuit. This circuit is responsible for monitoring the water pump’s operation and ensuring that it’s functioning properly. If the circuit detects an issue with the water pump, it will trigger the B1968 code and cause the A/C system to stop working.

Diagnosing the Issue

The first step in diagnosing the B1968 A/C water pump detection circuit failure issue is to check the A/C system’s fuses and relays. Make sure that all the fuses and relays are in good condition and properly seated. If any of the fuses or relays are damaged or loose, replace them immediately.

Next, check the A/C system’s wiring and connectors. Look for any signs of damage, corrosion, or loose connections. If you find any issues, repair or replace the affected wiring or connectors.

If the fuses, relays, wiring, and connectors are all in good condition, the issue may be with the A/C water pump itself. To test the water pump, you’ll need a multimeter. Set the multimeter to measure resistance and test the water pump’s terminals. The resistance should be within the manufacturer’s specifications. If the resistance is outside of the specifications, replace the water pump.

Solving the Issue

Once you’ve diagnosed the B1968 A/C water pump detection circuit failure issue, it’s time to solve the problem. If the issue was with the fuses, relays, wiring, or connectors, replace or repair the affected components.

If the issue was with the water pump, replace it with a new one. Make sure to choose a high-quality water pump that’s compatible with your car’s make and model. Follow the manufacturer’s instructions for installation and testing.

Useful Tips

– Regularly inspect your car’s A/C system for signs of wear and tear.
– Keep your car’s A/C system clean and free of debris.
– Use high-quality parts and components when repairing or replacing your car’s A/C system.
– Follow the manufacturer’s instructions for maintenance and repair.

Conclusion

B1968 A/C water pump detection circuit failure can be a frustrating issue, but with the right knowledge and tools, you can diagnose and solve the problem yourself. By following the steps outlined in this article and using the useful tips provided, you can get your A/C system back up and running in no time.

FAQs

1. Can I drive my car with a B1968 A/C water pump detection circuit failure?

It’s not recommended to drive your car with a B1968 A/C water pump detection circuit failure. This issue can cause your A/C system to stop working, which can be uncomfortable and dangerous in hot weather.

2. How much does it cost to replace an A/C water pump?

The cost of replacing an A/C water pump can vary depending on your car’s make and model and the quality of the replacement part. On average, you can expect to pay between $200 and $500 for parts and labor.

3. How often should I have my car’s A/C system inspected?

It’s recommended to have your car’s A/C system inspected at least once a year. Regular inspections can help identify and prevent issues before they become major problems.