P1831
PC Solenoid Power Circuit Low Voltage
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Incorrect gear shifting
- Slipping when switching
- Activation of automatic transmission emergency mode
- Check Engine light comes on
- Reduced vehicle dynamics
Causes
- Open or short circuit in solenoid circuit
- PC solenoid malfunction
- Problems with connectors or wiring harness
- Transmission control module (TCM) malfunction
- Poor circuit grounding
How to Fix
- Check the continuity of the solenoid circuit
- Check PC solenoid resistance
- Inspect connectors and wiring harness for damage
- Check voltage at solenoid
- If necessary, replace the PC solenoid