Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer detected that the temperature of the transmission fluid is getting too hot, which can be bad for the car.
The transmission fluid temperature sensor monitors the temperature of the transmission fluid. If the temperature increases beyond a certain limit, it can cause damage to the transmission.
The P1718 code indicates that the transmission fluid temperature sensor 'A' has detected a temperature increase that exceeds the permissible limit set by the manufacturer. This could be due to a malfunctioning sensor, electrical issues, or actual overheating of the transmission fluid.
• Check Engine Light is on
• Transmission overheating warning light
• Transmission may enter 'limp' mode
• Faulty transmission fluid temperature sensor
• Wiring issues or poor connections
• Actual overheating of the transmission fluid
OBD-II: On-Board Diagnostics, a standardized system to self-diagnose and report vehicle issues.
Transmission Fluid: A lubricant that cools and lubricates the components of a vehicle's transmission.
• Use an OBD-II scanner to confirm the code.
• Inspect the transmission fluid level and condition.
• Check the wiring and connections to the temperature sensor.
• Replace the transmission fluid temperature sensor.
• Repair or replace damaged wiring or connectors.
• Flush and replace the transmission fluid if necessary.
• OBD-II scanner
• Multimeter
• Wrench set
$150 - $400
Moderate
• Nissan Altima
• Toyota Camry
• Honda Accord
• Regularly check and maintain transmission fluid levels.
• Ensure proper cooling system function.
• Avoid aggressive driving habits that can overheat the transmission.
Sensor Issue
• Do not ignore the warning light; seek professional help.
• Avoid driving the vehicle if the transmission is overheating.
Check with your vehicle manufacturer; some powertrain warranties may cover this issue.
This code has been associated with transmission issues in various models, often due to sensor failures or fluid issues.
High – Transmission overheating can lead to significant damage if not addressed promptly.
Driving with an overheating transmission can be dangerous and may lead to costly repairs.
• Vehicle at operating temperature
• Transmission under load
The transmission fluid temperature sensor is typically located within the transmission housing or near the transmission fluid pan.
Q: Can I drive with a P1718 code?
A: It's not recommended to drive with this code active, as it indicates potential transmission overheating.
Q: How do I reset the P1718 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue persists, further diagnosis is needed.
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