Engine-CodesGeneric – P1739

P1739 Code - Problem in 3rd Clutch Pressure Switch Circuit

Quick Answer

The P1739 code indicates a problem in the 3rd Clutch Pressure Switch Circuit in the vehicle's transmission system. Common causes include Faulty 3rd clutch pressure switch, Wiring issues in the circuit, Malfunctioning transmission control module. 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 Faulty 3rd clutch pressure switch, Wiring issues in the circuit, Malfunctioning transmission control module.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1739 Description

The P1739 code indicates a problem in the 3rd Clutch Pressure Switch Circuit in the vehicle's transmission system. The 3rd clutch pressure switch is a crucial component that helps regulate hydraulic pressure within the transmission. When this switch malfunctions or fails, it can lead to issues with shifting gears and overall transmission performance.

OBDII Code P1739 - Problem in 3rd Clutch Pressure Switch Circuit
P1739 Code - Problem in 3rd Clutch Pressure Switch Circuit

Common Causes of P1739

  1. Faulty 3rd clutch pressure switch
  2. Wiring issues in the circuit
  3. Malfunctioning transmission control module
  4. Low transmission fluid levels
  5. Electrical problems in the transmission system

Symptoms of P1739

  1. Harsh or erratic shifting
  2. Slipping gears
  3. Delayed engagement when shifting
  4. Transmission going into limp mode
  5. Illumination of the check engine light

How to Fix P1739

  1. Diagnose the specific cause of the P1739 code using a diagnostic scanner to pinpoint the issue accurately.
  2. Inspect the wiring in the 3rd clutch pressure switch circuit for any damage or loose connections.
  3. Test the 3rd clutch pressure switch for proper functionality and replace if necessary.
  4. Check the transmission control module for any faults and reprogram or replace as needed.
  5. Refill the transmission fluid to the proper level and clear the code from the vehicle's computer system.

Cost to Fix P1739

The typical repair costs for addressing the P1739 code can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check local rates for a more precise estimate. Auto repair shops commonly charge between $80 and $150 per hour, with rates potentially higher in metropolitan areas or at dealerships, while independent shops often charge less.

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Code P1739 Information for Specific Makes

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.

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