AutoCodes – KIA – P1709 KIA

P1709 KIA Code - Kick-Down Servo Switch

Quick Answer

he Kick-Down Brake is one of the New Alpha automatic transmissions members, which is engaged in the 2nd or 4th gear position and is released in the 1st or 3rd gear position. Common causes include Faulty Kick-Down Servo Switch, Kick-Down Servo Switch harness is open or shorted, Kick-Down Servo 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: P1709 KIA indicates Kick-Down Servo Switch.
Common causes: Common causes include Faulty Kick-Down Servo Switch, Kick-Down Servo Switch harness is open or shorted, Kick-Down Servo 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 6,259

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 Aug 05, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1709 KIA Description

he Kick-Down Brake is one of the New Alpha automatic transmissions members, which is engaged in the 2nd or 4th gear position and is released in the 1st or 3rd gear position. The Kick Down Servo Switch is installed inside the Kick down brake to provide the optimum hydraulic pressure control by checking the position of the Kick-Down Brake. The Kick Down Servo switch is OFF when the gear is in the 2nd or 4th position, and the switch is ON when the gear is 1st or 3rd position.
The Transmission Control Module (TCM) sets this code if the Kick Down Servo switch is ON when the gear is in the 2nd or 4th position, or the switch is OFF when the gear is in the 1st or 3rd position.

OBDII Code P1709 KIA - Kick-Down Servo Switch - AutoCodes.com — P1709 KIA Code - Kick-Down Servo Switch

What does this mean?

What are the Possible Causes of the DTC P1709 KIA?

Faulty Kick-Down Servo Switch
Kick-Down Servo Switch harness is open or shorted
Kick-Down Servo Switch circuit poor electrical connection
Faulty Transmission Control Module (TCM)

How to Fix the DTC P1709 KIA?

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 P1709 KIA 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 P1709 KIA Code

1. What is OBDII code P1709 for a KIA, and what does it indicate?

The OBDII code P1709 for a KIA refers to the Kick-Down Servo Switch. It typically indicates an issue with the kick-down servo switch circuit.

2. What are the common symptoms of OBDII code P1709 in a KIA?

Common symptoms of OBDII code P1709 in a KIA may include harsh shifting, transmission slipping, poor acceleration, and the transmission not downshifting properly.

3. What are some possible causes of OBDII code P1709 appearing in a KIA?

Possible causes of OBDII code P1709 in a KIA include a faulty kick-down servo switch, damaged wiring or connectors in the circuit, or a malfunctioning transmission control module.

4. How can I diagnose the issue causing OBDII code P1709 in my KIA?

Diagnosing the issue causing OBDII code P1709 in your KIA typically involves checking the kick-down servo switch, inspecting the wiring harness and connectors for damage, and testing the transmission control module for proper function.

5. Can I still drive my KIA with OBDII code P1709 present?

It is not recommended to drive your KIA with OBDII code P1709 present, as it may lead to further damage to the transmission or other related components. It's best to address the issue promptly.

6. Are there any simple repair tips for fixing OBDII code P1709 in a KIA?

Simple repair tips for fixing OBDII code P1709 in a KIA may include checking and replacing the kick-down servo switch if faulty, repairing any damaged wiring or connectors, and resetting the trouble code after repairs are made.

7. How much does it typically cost to repair OBDII code P1709 in a KIA?

The cost to repair OBDII code P1709 in a KIA can vary depending on the specific underlying issue. Costs may include parts and labor for replacing the kick-down servo switch, repairing wiring, or addressing any other related problems.

8. Can a DIY enthusiast fix OBDII code P1709 in a KIA, or is professional help recommended?

While some DIY enthusiasts may be able to address OBDII code P1709 in a KIA, it is often recommended to seek professional help, especially when dealing with transmission-related issues to ensure proper diagnosis and repair.

9. How urgent is it to address OBDII code P1709 in a KIA?

It is advisable to address OBDII code P1709 in a KIA as soon as possible to prevent potential further damage to the transmission and ensure the vehicle operates safely and efficiently.

10. Is OBDII code P1709 specific to KIA vehicles, or can it occur in other makes and models?

OBDII code P1709 related to the Kick-Down Servo Switch is specific to KIA vehicles. However, similar transmission-related issues may trigger different codes in other makes and models.