AutoCodesKIA – P0712 KIA

P0712 KIA Code - Transmission Fluid Temperature Sensor Low Input

Quick Answer

The Automatic Transmission Fluid (ATF) temperature sensor is installed in the Valve Body. Common causes include Faulty Transmission Fluid Temperature Sensor, Transmission Fluid Temperature Sensor harness is open or shorted, Transmission Fluid Temperature 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
P0712 KIA indicates Transmission Fluid Temperature Sensor Low Input.
Common causes
Common causes include Faulty Transmission Fluid Temperature Sensor, Transmission Fluid Temperature Sensor harness is open or shorted, Transmission Fluid Temperature 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 7,911
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 30, 2019
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Code P0712 KIA Description

The Automatic Transmission Fluid (ATF) temperature sensor is installed in the Valve Body. This sensor uses a thermistor whose resistance changes according to the temperature changes. The Transmission Control Module (TCM) supplies a 5V reference voltage to the sensor, and the output voltage of the sensor changes when the ATF temperature varies. The Automatic Transmission Fluid (ATF) temperature provides very important data for the TCM’s control of the Torque Converter Clutch, and is also used for many other purposes.
OBDII Code P0712 KIA - Transmission Fluid Temperature Sensor Low Input - AutoCodes.com
P0712 KIA Code - Transmission Fluid Temperature Sensor Low Input

What are the Possible Causes of the DTC P0712 KIA?

  • Faulty Transmission Fluid Temperature Sensor
  • Transmission Fluid Temperature Sensor harness is open or shorted
  • Transmission Fluid Temperature Sensor circuit poor electrical connection

How to Fix the DTC P0712 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 P0712 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 P0712 KIA Code

1. What does the OBDII code P0712 mean for a KIA?

P0712 indicates that the Transmission Fluid Temperature (TFT) sensor is reporting a low input signal, which may suggest a problem with the sensor, its circuit, or the transmission fluid temperature.

2. What are the common symptoms of code P0712 in a KIA?

Symptoms may include erratic shifting, delayed engagement, the transmission going into limp mode, poor fuel efficiency, and the check engine light turning on.

3. What causes the P0712 code in a KIA?

Common causes include a faulty transmission fluid temperature sensor, damaged or corroded wiring or connectors, low or dirty transmission fluid, or issues within the powertrain control module (PCM).

4. Can I drive my KIA with a P0712 code?

It’s possible to drive, but it’s not recommended as the transmission may operate improperly, causing further damage. Have the issue inspected and repaired as soon as possible.

5. How do I diagnose the P0712 code in my KIA?

Diagnosis involves scanning for codes, inspecting the TFT sensor and its wiring, checking the transmission fluid level and condition, and testing the sensor’s resistance with a multimeter.

6. How do I fix the P0712 code on a KIA?

Repairs may include replacing the TFT sensor, repairing or replacing damaged wiring, cleaning corroded connectors, or performing a transmission fluid flush if the fluid is dirty or low.

7. How much does it cost to fix code P0712 on a KIA?

Costs vary depending on the issue. Replacing the TFT sensor may cost $150-$300, while transmission fluid service costs range from $100-$200. Wiring repairs will depend on the extent of damage.

8. Can low transmission fluid cause a P0712 code on a KIA?

Yes, low or degraded transmission fluid can cause the TFT sensor to report incorrect readings, potentially triggering the P0712 code.

9. Where is the transmission fluid temperature sensor located in a KIA?

The TFT sensor is typically located inside the transmission, often integrated into the valve body or attached to the transmission oil pan.

10. Will clearing the P0712 code fix the issue in my KIA?

Clearing the code will turn off the check engine light temporarily, but the underlying problem must be addressed to prevent the code from returning.

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