Transmission Fluid Temperature Sensor Range/Performance Problem
Transmission fluid temperature sensor is out of expected range.
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What it means (plain English)
The computer is reading a fluid temperature that's either too high or too low for normal operation, which means the transmission could overheat or not operate smoothly.
What the computer is actually seeing
The PCM expects the transmission fluid temperature sensor to read between 160°F to 220°F (71°C to 104°C) under normal operating conditions. If it sees readings outside of this range, it triggers this code.
What a healthy reading looks like
Normal fluid temperature should be around 180°F (82°C) when the vehicle is in operation. Anything significantly higher than 220°F (104°C) or lower than 160°F (71°C) raises a red flag.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 11. Check the transmission fluid level. It should be between the marks on the dipstick, typically near the HOT range.
- 22. Inspect the wiring and connectors to the transmission fluid temperature sensor for damage or corrosion. Repair if necessary.
- 33. Use a scan tool to monitor the transmission fluid temperature in real-time. Is it within the expected range of 160°F to 220°F (71°C to 104°C)? If yes, go to step 5, if no, continue to step 4.
- 44. If temperature readings are outside the normal range, replace the transmission fluid temperature sensor. Re-test to confirm repair.
- 55. If wiring and sensor are fine, consider checking the condition of the transmission fluid. If it's dirty or burnt, replace it.
Common causes
- Faulty transmission fluid temperature sensor
- Damaged wiring to the sensor
- Poor electrical connection at the sensor or PCM
- Contaminated or old transmission fluid
- Overheating transmission due to other issues (like low fluid level)
Typical repair cost
$$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
It's not ideal; drive cautiously as transmission performance may be affected.
Will the code come back after clearing it?
If the underlying issue isn't fixed, yes, it will likely return.
Why does this code appear with P0713?
P0713 indicates the fluid temperature is too high, so both codes suggest issues with fluid temperature readings.
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