AutoCodes – Generic – P1739

P1739 Code - Problem in 3rd Clutch Pressure Switch Circuit

Quick Answer

P1739 indicates Problem in 3rd Clutch Pressure Switch Circuit. Common causes include Low transmission fluid level, 3rd Clutch Pressure Switch harness is open or shorted, 3rd Clutch Pressure Switch 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: P1739 indicates Problem in 3rd Clutch Pressure Switch Circuit.
Common causes: Common causes include Low transmission fluid level, 3rd Clutch Pressure Switch harness is open or shorted, 3rd Clutch Pressure Switch 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 30,998

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 Sep 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1739 Description

OBDII Code P1739 - Problem in 3rd Clutch Pressure Switch Circuit - AutoCodes.com — P1739 Code - Problem in 3rd Clutch Pressure Switch Circuit

What does this mean?

What are the Possible Causes of the DTC P1739?

Low transmission fluid level
3rd Clutch Pressure Switch harness is open or shorted
3rd Clutch Pressure Switch circuit poor electrical connection
Faulty 3rd Clutch Pressure Switch

How to Fix the DTC P1739?

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 P1739 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 P1739 code?

Need more information on how to fix the P1739 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1739 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1739 Acura — Problem In 3rd Clutch Pressure Switch Circuit
P1739 Honda — Problem In 3rd Clutch Pressure Switch Circuit
P1739 Hyundai — General Position Encoder Fault
P1739 Isuzu — Problem in 3rd Clutch Pressure Switch Circuit

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 P1739 Code

1. What are the common symptoms of OBDII code P1739 (Problem in 3rd Clutch Pressure Switch Circuit)?

- Common symptoms include harsh shifting, transmission slippage, illuminated check engine light, and decreased fuel efficiency.

2. What are the possible causes of OBDII code P1739?

- Possible causes include a faulty 3rd clutch pressure switch, damaged wiring or connectors in the circuit, low transmission fluid level, or internal transmission issues.

3. How can I diagnose the problem related to OBDII code P1739?

- Diagnose by checking the transmission fluid level, inspecting the wiring and connectors in the 3rd clutch pressure switch circuit, and using a scan tool to monitor transmission sensor data.

4. Can I drive the vehicle with OBDII code P1739?

- It is not recommended to drive the vehicle with this code as it can lead to further transmission damage and potential safety hazards. Have it diagnosed and repaired promptly.

5. How can I repair OBDII code P1739 myself?

- If you have experience working on automotive electrical systems, you can attempt to replace the 3rd clutch pressure switch, inspect and repair any damaged wiring, or top up the transmission fluid.

6. What are the professional repair options for OBDII code P1739?

- Professional repair options include taking your vehicle to a certified mechanic or dealership to have the transmission system thoroughly inspected and repaired.

7. Is OBDII code P1739 a serious issue?

- Yes, it can be a serious issue as it indicates a problem in the transmission system, which can lead to further damage if left unaddressed.

8. Will resetting the check engine light resolve OBDII code P1739?

- Resetting the check engine light may temporarily turn it off, but the underlying issue causing the code will persist until properly diagnosed and repaired.

9. How much does it cost to repair OBDII code P1739?

- The cost of repair can vary depending on the extent of the issue and labor rates in your area. It's best to get a diagnostic from a professional to determine the exact cost.

10. Can OBDII code P1739 be triggered intermittently?

- Yes, this code can be triggered intermittently, especially if the issue is related to a loose connection or intermittent fault in the 3rd clutch pressure switch circuit.