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 has detected a problem with the sensor that checks how hot or cold the transmission fluid is. Sometimes it works, and sometimes it doesn't.
The P274E code indicates an intermittent issue with the transmission fluid temperature sensor C circuit. This sensor helps monitor the temperature of the transmission fluid to ensure it operates within the correct range.
The transmission fluid temperature sensor C is responsible for providing the Powertrain Control Module (PCM) with data about the transmission fluid's temperature. This data is crucial for the PCM to manage transmission operations effectively. An intermittent circuit means that the connection or signal from this sensor is inconsistent, which can lead to incorrect temperature readings.
• Check Engine Light (CEL) is on
• Erratic transmission behavior
• Poor fuel economy
• Faulty transmission fluid temperature sensor C
• Wiring issues, such as damaged wires or poor connections
• Corroded or loose electrical connectors
PCM: Powertrain Control Module, the computer that controls engine and transmission functions.
Transmission Fluid: The fluid used to lubricate and cool the components of a vehicle's transmission.
• Use an OBD-II scanner to confirm the code.
• Inspect the transmission fluid temperature sensor C and its wiring for damage.
• Check the electrical connectors for corrosion or looseness.
• Replace the faulty transmission fluid temperature sensor C.
• Repair or replace damaged wiring.
• Clean or secure electrical connectors.
• OBD-II scanner
• Multimeter
• Basic hand tools
$100 - $300
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly check and maintain transmission fluid levels.
• Inspect wiring and connectors periodically.
• Ensure timely transmission service.
Sensor Issue
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional if unsure.
• Regular maintenance can prevent such issues.
Check with your vehicle manufacturer for specific warranty coverage on transmission components.
Intermittent sensor circuit issues have been common in older vehicles due to wear and tear on wiring and connectors.
Moderate – While the vehicle may still be drivable, it's important to address the issue to prevent further transmission problems.
Ignoring a Check Engine Light can lead to more serious issues and may affect vehicle safety and emissions compliance.
• Engine running
• Transmission at operating temperature
The transmission fluid temperature sensor is typically located on or near the transmission housing.
Q: Can I drive with a P274E code?
A: It's possible to drive short distances, but it's best to fix the issue soon to avoid further damage.
Q: How can I prevent this code from appearing again?
A: Regular maintenance and inspections of the transmission system can help prevent such issues.
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