P274B
Transmission Fluid Temperature Sensor C Circuit Range/Performance
P274B is an OBD-II diagnostic trouble code meaning: Transmission Fluid Temperature Sensor C Circuit Range/Performance. Common causes: transmission fluid temperature sensor fault c, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Incorrect gear shifting
- Enabling transmission emergency mode
- Check Engine Light Illuminates
- Decreased fuel efficiency
- Transmission fluid overheating
Causes
- Transmission fluid temperature sensor fault C
- Open or short circuit in the sensor circuit
- Poor contact in wiring connectors
- Transmission control module (TCM) problems
- Low or contaminated transmission fluid
How to Fix
- Check the level and condition of the transmission fluid
- Inspect the sensor wiring and connectors for damage
- Check the resistance of the temperature sensor
- Scan the transmission control module for other codes
- If necessary, replace the transmission fluid temperature sensor
Related codes
Error P274B by Vehicle Brand
FAQ
What does the P274B code mean?
P274B is an OBD-II diagnostic trouble code that indicates: Transmission Fluid Temperature Sensor C Circuit Range/Performance
What causes a P274B error code?
The most common causes of P274B include: Transmission fluid temperature sensor fault C; Open or short circuit in the sensor circuit; Poor contact in wiring connectors; Transmission control module (TCM) problems.
How do I fix a P274B diagnostic trouble code?
To fix P274B: Check the level and condition of the transmission fluid. Inspect the sensor wiring and connectors for damage. Check the resistance of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P274B?
Yes, but get it checked soon
How much does it cost to fix P274B?
The estimated repair cost for P274B is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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