P1845
2-3 Shift Solenoid Circuit Low Input Voltage
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)
Symptoms
- Incorrect gear shifting (especially from 2 to 3)
- Transmission of the gearbox into emergency mode
- Check Engine Light Illuminates
- Jerks when shifting gears
- Reduced vehicle dynamics
Causes
- Shift Solenoid 2-3 Malfunction
- Open or short circuit in solenoid circuit
- Poor contact in connectors
- Transmission control module (TCM) malfunction
- Solenoid Circuit Power Problems
How to Fix
- Check the solenoid resistance (compare with the norm)
- Inspect wiring and connectors for damage
- Check the supply voltage of the solenoid circuit
- If necessary, replace shift solenoid 2-3
- Reset error and test drive