P0712

Transmission Fluid Temperature Sensor A Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$13–56 (est.)

Symptoms

Incorrect gear shifts
Increased engine speed before shifting
Transmission fluid overheating
Illumination of the fault warning lamp (Check Engine)
Reduced transmission efficiency

Causes

Transmission fluid temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contacts or corrosion in connectors
Transmission control module (TCM) malfunction
Transmission fluid level is low or the wrong fluid is being used

How to Fix

Check the level and condition of the transmission fluid
Inspect the sensor circuit for damage and corrosion.
Check the resistance of the transmission fluid temperature sensor
Replace temperature sensor if necessary
Check connection to transmission control unit

Related codes

P0711 P0713 P0714