AutoCodes – Generic – C1944

C1944 Code - Gauge Driver Circuit Fault

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Gauge Driver. Common causes include Faulty Gauge Driver, Gauge Driver harness is open or shorted, Gauge Driver 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: C1944 indicates Gauge Driver Circuit Fault.
Common causes: Common causes include Faulty Gauge Driver, Gauge Driver harness is open or shorted, Gauge Driver 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 6,678

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 Dec 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1944 Description

The Anti-Lock Brake System (ABS) Module monitors the Gauge Driver. The ABS Module sets the OBDII code when the Gauge Driver is not to factory specifications.

OBDII Code C1944 - Gauge Driver Circuit Fault - AutoCodes.com — C1944 Code - Gauge Driver Circuit Fault

What does this mean?

What are the Possible Causes of the DTC C1944?

Faulty Gauge Driver
Gauge Driver harness is open or shorted
Gauge Driver circuit poor electrical connection

How to Fix the DTC C1944?

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 C1944 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 C1944 code?

Need more information on how to fix the C1944 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1944 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 C1944 Code

1. What are the common symptoms of OBDII code C1944 (Gauge Driver Circuit Fault)?

- Common symptoms include non-functioning gauges on the dashboard, erratic gauge behavior, or gauge readings that are inaccurate or inconsistent.

2. What are the possible causes of OBDII code C1944?

- The code C1944 can be caused by issues such as a faulty gauge cluster, damaged wiring or connectors in the gauge circuit, or a malfunctioning gauge driver module.

3. How can I diagnose the cause of OBDII code C1944?

- Diagnosis typically involves checking the electrical connections, inspecting the wiring for damage, testing the gauge cluster functionality, and using a scan tool to monitor the gauge driver module.

4. Can driving with OBDII code C1944 cause any serious issues?

- While driving with this code may not directly affect the drivability of the vehicle, it can lead to inaccurate readings on the gauges, potentially causing a safety hazard if critical information is not displayed correctly.

5. How can I repair OBDII code C1944?

- Repair options may include replacing the faulty gauge cluster, repairing damaged wiring or connectors, or replacing the gauge driver module as needed. It is recommended to consult a professional mechanic for an accurate diagnosis and repair.

6. Is it safe to continue driving with non-functioning gauges due to code C1944?

- It is not recommended to continue driving with non-functioning gauges, as they provide important information about the vehicle's performance and safety systems. Prompt repair is advised to ensure accurate readings.

7. Can a DIY enthusiast fix OBDII code C1944 at home?

- While some basic troubleshooting steps can be performed at home, diagnosing and repairing OBDII code C1944 may require specialized tools and expertise. It is advisable to seek professional help for an accurate diagnosis and proper repair.

8. Are there any preventive measures to avoid OBDII code C1944 in the future?

- Regular maintenance checks, such as inspecting wiring harnesses for damage and ensuring proper connections, can help prevent issues leading to OBDII code C1944. Addressing any gauge-related problems promptly can also help avoid this code.

9. How long does it typically take to repair OBDII code C1944?

- The repair time for OBDII code C1944 can vary depending on the exact cause of the issue and the extent of repairs needed. It is best to consult a mechanic for a more accurate estimate of repair time.

10. Can resetting the OBDII system clear code C1944?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing code C1944 is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the problem.