AutoCodes – Generic – B1968

B1968 Code - A/C Water Pump Detection Circuit Failure

Quick Answer

The Engine Control Module (ECM) monitors the A/C Water Pump. Common causes include Faulty A/C Water Pump, A/C Water Pump harness is open or shorted, A/C Water Pump circuit poor electrical connection. 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: B1968 indicates A/C Water Pump Detection Circuit Failure.
Common causes: Common causes include Faulty A/C Water Pump, A/C Water Pump harness is open or shorted, A/C Water Pump circuit poor electrical connection.
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.

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Code Popularity 3,562

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 31, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1968 Description

The Engine Control Module (ECM) monitors the A/C Water Pump. The ECM sets the OBDII code when the A/C Water Pump is not to factory specifications.

OBDII Code B1968 - A/C Water Pump Detection Circuit Failure - AutoCodes.com — B1968 Code - A/C Water Pump Detection Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B1968?

Faulty A/C Water Pump
A/C Water Pump harness is open or shorted
A/C Water Pump circuit poor electrical connection

How to Fix the DTC B1968?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1968 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1968 code?

Need more information on how to fix the B1968 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1968 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1968 Chrysler — Power Liftgate Open Direction Excessive Time
B1968 Dodge — Power Liftgate Open Direction Excessive Time
B1968 Jeep — Power Liftgate Open Direction Excessive Time
B1968 RAM — Power Liftgate Open Direction Excessive Time

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 B1968 Code

1. What are the common symptoms of OBDII code B1968 (A/C Water Pump Detection Circuit Failure)?

- Common symptoms include the air conditioning system not functioning properly, lack of cold air, and potential issues with the water pump.

2. What are the possible causes of OBDII code B1968?

- The code B1968 can be triggered by a faulty A/C water pump, damaged wiring or connectors in the detection circuit, or a malfunctioning control module.

3. How can I diagnose the A/C Water Pump Detection Circuit Failure related to code B1968?

- Diagnosis involves checking the A/C system for proper operation, inspecting the wiring and connectors for any damage, and using a scan tool to retrieve the fault codes.

4. What are the repair options for OBDII code B1968?

- Repair options include replacing the faulty A/C water pump, repairing any damaged wiring or connectors, or reprogramming the control module if necessary.

5. Can I drive my vehicle with OBDII code B1968 active?

- It is not recommended to drive the vehicle with an active B1968 code, as it can lead to further damage to the A/C system and potentially affect the engine's performance.

6. How much does it typically cost to repair OBDII code B1968?

- The cost of repairing OBDII code B1968 can vary depending on the extent of the damage and the specific repairs needed, but it can range from a few hundred to over a thousand dollars.

7. Is OBDII code B1968 a common issue in certain vehicle models?

- Code B1968 related to A/C Water Pump Detection Circuit Failure is more common in vehicles equipped with advanced climate control systems and complex A/C components.

8. Can a DIY enthusiast repair OBDII code B1968 on their own?

- While some DIY enthusiasts may have the skills to diagnose and repair simple electrical issues, dealing with A/C systems and control modules often requires specialized tools and expertise best left to professionals.

9. How long does it usually take to fix OBDII code B1968 at a repair shop?

- The repair time for code B1968 can vary depending on the exact cause of the issue and the availability of parts, but it typically takes a few hours to half a day for a professional technician to diagnose and repair the problem.

10. How can I prevent OBDII code B1968 from occurring in the future?

- Regular maintenance of the A/C system, checking for any signs of wear or damage in the wiring, and promptly addressing any A/C-related issues can help prevent the recurrence of code B1968.