P0874
PowertrainTransmission Pressuremoderate severityTransmission Fluid Pressure Sensor/Switch C Circuit Intermittent
What P0874 Means
The transmission fluid pressure sensor C circuit is showing an intermittent or erratic signal. Loose connections or wiring are the usual culprits.
Symptoms
- Occasional harsh shifts
- Intermittent warning light
- Momentary slipping
Common Causes
- Loose or corroded connector
- Intermittent wiring fault
- Failing pressure sensor
- Contaminated transmission fluid
Diagnostic Steps
- Wiggle test wiring and connectors
- Inspect connector pins for damage
- Monitor sensor signal while driving
- Check fluid level and condition
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