AutoCodes – Hyundai – P1775 Hyundai

P1775 Hyundai Code - Transmission Control Module Malfunction

Quick Answer

P1775 Hyundai indicates Transmission Control Module Malfunction. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) 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: P1775 Hyundai indicates Transmission Control Module Malfunction.
Common causes: Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) 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 6,981

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Sep 17, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1775 Hyundai Description

OBDII Code P1775 Hyundai - Transmission Control Module Malfunction - AutoCodes.com — P1775 Hyundai Code - Transmission Control Module Malfunction

What does this mean?

What are the Possible Causes of the DTC P1775 Hyundai?

Faulty Transmission Control Module (TCM)
Transmission Control Module (TCM) harness is open or shorted
Transmission Control Module (TCM) circuit poor electrical connection

How to Fix the DTC P1775 Hyundai?

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 P1775 Hyundai 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.

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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 P1775 Hyundai Code

1. What does the OBDII code P1775 mean for a Hyundai?

P1775 indicates a malfunction in the Transmission Control Module (TCM), which is responsible for managing transmission operations.

2. What are the common symptoms of the P1775 code in a Hyundai?

Symptoms may include check engine light illumination, erratic shifting, transmission stuck in a single gear, or reduced vehicle performance.

3. What causes the P1775 code to appear in a Hyundai?

Common causes include a faulty TCM, damaged wiring or connectors, low transmission fluid, or internal transmission issues.

4. Can I drive my Hyundai with the P1775 code?

Driving with this code is not recommended, as it can lead to further transmission damage or unsafe driving conditions.

5. How do I diagnose the P1775 code in a Hyundai?

Start by scanning for additional codes, inspecting TCM wiring and connectors, checking transmission fluid levels, and testing the TCM for proper functionality.

6. How do I fix the P1775 code on a Hyundai?

Repairs may involve replacing the TCM, repairing damaged wiring, clearing clogged transmission fluid passages, or reprogramming the TCM.

7. How much does it cost to fix the P1775 code on a Hyundai?

Repair costs can range from $150 to over $1,000 depending on whether the issue is a simple wiring fix or a TCM replacement.

8. Can a low transmission fluid level cause the P1775 code?

Yes, low or contaminated transmission fluid can cause the TCM to malfunction and trigger the P1775 code.

9. Does the P1775 code require TCM reprogramming in a Hyundai?

In some cases, the TCM may need to be reprogrammed or updated if software issues are causing the malfunction.

10. How can I prevent the P1775 code from recurring in my Hyundai?

Regular maintenance, such as checking transmission fluid levels, inspecting wiring, and addressing transmission issues promptly, can help prevent this code.