P274E

Transmission Fluid Temperature Sensor C Circuit Intermittent

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect gear shifting
Enabling automatic transmission emergency mode
Check Engine Light Illuminates
Reduced transmission efficiency
Unusual transmission behavior

Causes

Transmission fluid temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in sensor or TCM connector
Corroded or damaged wiring
Transmission control module (TCM) malfunction

How to Fix

Check the resistance of the temperature sensor
Inspect the sensor circuit for damage
Clean contacts in sensor and TCM connectors
Replace the transmission fluid temperature sensor if necessary
Check and, if necessary, replace the transmission control module

Related codes

P274F P2750 P2751