P1718 Mazda Code - Transmission Fluid Temperature Sensor Performance
Quick Answer
The Diagnostic Trouble Code (DTC) will set during Key On Engine Off (KOEO), Key On Engine Running (KOER) & or continuous indicates Transmission Fluid Temperature (TFT) sensor circuit input above maximum acceptable voltage. 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
- P1718 Mazda indicates Transmission Fluid Temperature Sensor Performance.
- 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.
Code P1718 Mazda Description
What are the Possible Causes of the DTC P1718 Mazda?
- 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 P1718 Mazda?
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 P1718 Mazda 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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Frequently Asked Questions about P1718 Mazda Code
1. What does the OBDII code P1718 mean for a Mazda?
P1718 indicates an issue with the Transmission Fluid Temperature (TFT) sensor's performance, meaning the sensor may not be relaying accurate temperature data to the engine control module (ECM).
2. What are the common symptoms of a P1718 code in a Mazda?
Symptoms may include erratic shifting, the transmission going into limp mode, overheating warnings, poor fuel efficiency, or the check engine light turning on.
3. What causes the P1718 code to appear in a Mazda?
Possible causes include a faulty TFT sensor, damaged wiring or connectors, low or contaminated transmission fluid, or issues in the transmission control module (TCM).
4. Can I drive my Mazda with a P1718 code?
Driving with a P1718 code is not recommended, as it can lead to improper transmission operation, overheating, or further damage to the transmission system.
5. How do I fix the P1718 code in my Mazda?
Fixes may involve replacing the TFT sensor, repairing or replacing damaged wiring, cleaning or replacing the transmission fluid, or reprogramming/updating the TCM.
6. How can I test the Transmission Fluid Temperature sensor in a Mazda?
The TFT sensor can be tested using a multimeter to check for proper resistance or by using a scan tool to monitor its live data readings during operation.
7. Could a low transmission fluid level trigger the P1718 code?
Yes, low transmission fluid levels can cause the P1718 code by preventing the sensor from accurately measuring temperature.
8. How much does it cost to repair the P1718 code in a Mazda?
The cost depends on the repair needed, ranging from $50-$150 for a TFT sensor replacement to $200-$400 or more for wiring repairs or TCM reprogramming.
9. Is the P1718 code specific to Mazda vehicles?
No, P1718 can appear in other vehicle brands, but the specific diagnostics and repair procedures may vary depending on the manufacturer.
10. Can I clear the P1718 code without repairing the underlying issue?
Clearing the code without fixing the root cause will likely cause the code to return and may lead to further transmission problems.
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