P1718 – Mazda DTC

Mazda DTC P1718 – Transmission Fluid Temperature Sensor Circuit

DTC P1718 meaning on Mazda

DTC P1718 on a Mazda indicates a problem with the transmission fluid temperature sensor circuit. This diagnostic trouble code is triggered when the powertrain control module (PCM) detects an electrical fault or malfunction in the transmission fluid temperature sensor circuit.

Mazda DTC P1718 symptoms

Symptoms of DTC P1718 on a Mazda may include:

• Check Engine Light illuminated
• Transmission shifting issues
• Overheating transmission

Mazda DTC P1718 causes

Common causes of DTC P1718 on a Mazda include:

• Faulty transmission fluid temperature sensor
• Wiring or connector issues in the sensor circuit
• PCM software or hardware problems

Mazda DTC P1718 seriousness

DTC P1718 should be addressed promptly as it can lead to transmission issues and potential damage if left unresolved. Ignoring this code may result in further damage to the transmission system.

How to diagnose DTC P1718 on Mazda

To diagnose DTC P1718 on a Mazda, follow these steps:

1. Use a diagnostic scanner to retrieve the trouble codes.
2. Inspect the transmission fluid temperature sensor and its wiring for any visible damage.
3. Check the sensor’s resistance and voltage readings to determine if it is functioning correctly.
4. Inspect the PCM for any signs of damage or malfunction.

How to fix DTC P1718 on Mazda

To fix DTC P1718 on a Mazda, consider the following:

1. Replace the faulty transmission fluid temperature sensor if necessary.
2. Repair any damaged wiring or connectors in the sensor circuit.
3. If the PCM is faulty, it may need to be reprogrammed or replaced.

How to erase DTC P1718 on Mazda

To erase DTC P1718 on a Mazda:

1. Use a diagnostic scanner to clear the trouble codes.
2. After making the necessary repairs, reset the PCM to clear the code.
3. Ensure that the issue causing the DTC has been resolved before clearing the code.

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