Powertrain
generic / SAE
P274E
Transmission Fluid Temperature Sensor C Circuit Intermittent
The third transmission fluid temperature sensor signal jumps or drops out intermittently. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number7 / 4E
Possible causes
- Sensor connector not fully seated high
- Harness chafed against transmission housing medium
- Connector with intermittent contact under vibration low
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–350 €
- Estimated time: 0.5–2 h
- Component: trans fluid temp sensor c
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012