P0745 Infiniti Code - Line Pressure Solenoid Valve Fault
Quick Answer
The Pressure Control (PC) Solenoid Valve an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty line pressure solenoid valve. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0745 Infiniti indicates Line Pressure Solenoid Valve Fault.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty line pressure solenoid valve.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0745 Infiniti Description
What are the Possible Causes of the DTC P0745 Infiniti?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty line pressure solenoid valve
- Line pressure solenoid valve harness is open or shorted
- Line pressure solenoid valve circuit poor electrical connection
How to Fix the DTC P0745 Infiniti?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0745 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Information for Specific Infiniti Models
- P0745 2003 Infiniti G35 — Line Pressure Solenoid Valve Fault
- P0745 2004 Infiniti G35 — Line Pressure Solenoid Valve Fault
- P0745 2005 Infiniti G35 — Line Pressure Solenoid Valve Fault
- P0745 2006 Infiniti G35 — Line Pressure Solenoid Valve Fault
Frequently Asked Questions about P0745 Infiniti Code
1. What does the OBDII code P0745 mean for an Infiniti vehicle?
P0745 indicates a fault in the Line Pressure Solenoid Valve, which regulates hydraulic pressure in the transmission to ensure smooth gear changes.
2. What are the symptoms of the P0745 code in an Infiniti?
Symptoms may include harsh or delayed shifting, transmission slipping, reduced fuel efficiency, or the transmission going into limp mode.
3. What causes the P0745 code to appear in an Infiniti?
Common causes include a faulty line pressure solenoid, low or dirty transmission fluid, wiring or connector issues, or internal transmission problems.
4. Can I drive my Infiniti with the P0745 code?
Driving with this code is not recommended, as it can lead to further transmission damage and unsafe driving conditions.
5. How do I diagnose the P0745 code in an Infiniti?
Diagnosis involves checking the transmission fluid condition, inspecting the wiring and connectors, and testing the solenoid with a multimeter or scan tool.
6. How can I fix the P0745 code on my Infiniti?
Repairs may include replacing the line pressure solenoid, cleaning or replacing transmission fluid, repairing wiring, or addressing internal transmission damage.
7. Is the P0745 code a common issue on Infiniti vehicles?
While not extremely common, it can occur, especially in vehicles with higher mileage or poor maintenance history.
8. How much does it cost to repair the P0745 code for an Infiniti?
Repair costs can range from $200 to $1,500, depending on whether the solenoid, wiring, or transmission requires servicing.
9. Can low transmission fluid cause the P0745 code in my Infiniti?
Yes, low or contaminated transmission fluid can affect solenoid performance and trigger the P0745 code.
10. Will resetting the code fix the P0745 issue on my Infiniti?
Resetting the code may temporarily clear it, but the underlying issue must be resolved to prevent the code from returning.
Discuss the causes and fixes for P0745 Infiniti OBDII Code
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