P0798
PowertrainTransmission Solenoidmoderate severityPressure Control Solenoid C Electrical
What P0798 Means
An electrical fault is detected in the pressure control solenoid C circuit. The circuit shows open, short, or out-of-range values.
Symptoms
- Harsh or erratic shifting
- Transmission warning light on
- Possible limp mode
Common Causes
- Faulty pressure control solenoid C
- Open or shorted solenoid wiring
- Corroded connector
- Faulty transmission control module
Diagnostic Steps
- Scan for electrical fault code
- Inspect solenoid connector and wiring
- Measure solenoid resistance
- Check for shorts to power or ground
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