AutoCodes – Generic – C1778

C1778 Code - Power Steering Failure

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Power Steering Sensor. Common causes include Faulty Power Steering Sensor, Power Steering Sensor harness is open or shorted, Power Steering Sensor 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: C1778 indicates Power Steering Failure.
Common causes: Common causes include Faulty Power Steering Sensor, Power Steering Sensor harness is open or shorted, Power Steering Sensor 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 4,436

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 Nov 26, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1778 Description

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

OBDII Code C1778 - Power Steering Failure - AutoCodes.com — C1778 Code - Power Steering Failure

What does this mean?

What are the Possible Causes of the DTC C1778?

Faulty Power Steering Sensor
Power Steering Sensor harness is open or shorted
Power Steering Sensor circuit poor electrical connection

How to Fix the DTC C1778?

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 C1778 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 C1778 code?

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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 C1778 Code

1. What are the common symptoms of OBDII code C1778 for Power Steering Failure?

The common symptoms include difficulty turning the steering wheel, a stiff or heavy steering feel, and a warning light on the dashboard indicating power steering issues.

2. What are the possible causes of OBDII code C1778 related to Power Steering Failure?

Possible causes include a faulty power steering pump, low power steering fluid level, damaged power steering hoses, a malfunctioning steering angle sensor, or issues with the power steering control module.

3. How can I diagnose the OBDII code C1778 for Power Steering Failure?

Diagnosis typically involves using an OBDII scanner to retrieve the exact fault code, inspecting the power steering system for any visible leaks or damages, and conducting tests on components such as the power steering pump, fluid level, hoses, and sensors.

4. Can I continue driving with OBDII code C1778 for Power Steering Failure?

It is not recommended to continue driving with this code, as it can lead to unsafe driving conditions and potential damage to other steering components. It's best to address the issue promptly.

5. How can I repair OBDII code C1778 for Power Steering Failure?

Repair options may include replacing a faulty power steering pump, repairing any leaks in the system, refilling the power steering fluid, recalibrating the steering angle sensor, or resetting the power steering control module.

6. Is it possible to reset the OBDII code C1778 for Power Steering Failure without repairs?

Resetting the code without addressing the underlying issue may temporarily clear the warning light, but the problem will likely reoccur. It's crucial to diagnose and fix the root cause of the power steering failure.

7. Are there any DIY tips for addressing OBDII code C1778 for Power Steering Failure?

DIY tips may include checking the power steering fluid level, inspecting hoses for leaks, and ensuring the power steering pump is functioning properly. However, complex repairs or component replacements may require professional assistance.

8. How much does it cost to repair OBDII code C1778 for Power Steering Failure?

The cost of repair can vary depending on the specific issue causing the code, the extent of the damage, and whether any components need to be replaced. It's recommended to obtain quotes from local mechanics or dealerships for an accurate estimate.

9. Can a power steering failure due to OBDII code C1778 affect the overall drivability of the vehicle?

Yes, a power steering failure can significantly affect the drivability of the vehicle by making steering more difficult, potentially leading to safety hazards, especially at lower speeds or during maneuvers. Addressing the issue promptly is crucial.

10. Is OBDII code C1778 for Power Steering Failure a common issue in certain vehicle makes or models?

While power steering failures can occur across various vehicle makes and models, some specific models may have known issues related to OBDII code C1778. Checking with the manufacturer or online forums for common problems with your vehicle can provide additional insights.