P1745
Line Pressure Too High For Too Long
P1745 is an OBD-II diagnostic trouble code meaning: Line Pressure Too High For Too Long. Common causes: pressure control solenoid malfunction, transmission fluid contamination or degradation. Estimated repair cost: $33–167.
Symptoms
- Hard or abrupt gear shifts
- Increased noise from automatic transmission
- Transmission fluid overheating
- Decreased fuel efficiency
- Possible shocks when shifting gears
Causes
- Pressure control solenoid malfunction
- Transmission fluid contamination or degradation
- Mechanical problems in the automatic transmission hydraulic circuit
- Pressure sensor malfunction
- Problems with wiring or connectors
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the operation of pressure control solenoids
- Check the integrity of wiring and connectors
- Carry out diagnostics of the automatic transmission hydraulic circuit
- If necessary, replace faulty components
Related codes
Error P1745 by Vehicle Brand
FAQ
What does the P1745 code mean?
P1745 is an OBD-II diagnostic trouble code that indicates: Line Pressure Too High For Too Long
What causes a P1745 error code?
The most common causes of P1745 include: Pressure control solenoid malfunction; Transmission fluid contamination or degradation; Mechanical problems in the automatic transmission hydraulic circuit; Pressure sensor malfunction.
How do I fix a P1745 diagnostic trouble code?
To fix P1745: Check the level and condition of the transmission fluid. Diagnose the operation of pressure control solenoids. Check the integrity of wiring and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1745?
Limited driving only, diagnose soon
How much does it cost to fix P1745?
The estimated repair cost for P1745 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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