P1845
2-3 Shift Solenoid Circuit Low Input Voltage
P1845 is an OBD-II diagnostic trouble code meaning: 2-3 Shift Solenoid Circuit Low Input Voltage. Common causes: shift solenoid 2-3 malfunction, open or short circuit in solenoid circuit. Estimated repair cost: $28–89.
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
Related codes
Error P1845 by Vehicle Brand
FAQ
What does the P1845 code mean?
P1845 is an OBD-II diagnostic trouble code that indicates: 2-3 Shift Solenoid Circuit Low Input Voltage
What causes a P1845 error code?
The most common causes of P1845 include: Shift Solenoid 2-3 Malfunction; Open or short circuit in solenoid circuit; Poor contact in connectors; Transmission control module (TCM) malfunction.
How do I fix a P1845 diagnostic trouble code?
To fix P1845: Check the solenoid resistance (compare with the norm). Inspect wiring and connectors for damage. Check the supply voltage of the solenoid circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1845?
Limited driving only, diagnose soon
How much does it cost to fix P1845?
The estimated repair cost for P1845 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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