P0745 2004 Infiniti G35 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 2004 Infiniti G35 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 2004 Infiniti G35 Description
What are the Possible Causes of the DTC P0745 2004 Infiniti G35?
- 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 2004 Infiniti G35?
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 2004 Infiniti G35 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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Frequently Asked Questions about P0745 2004 Infiniti G35 Code
1. What does the OBDII code P0745 mean for a 2004 Infiniti G35?
P0745 indicates a fault with the Line Pressure Solenoid Valve, which controls hydraulic pressure in the transmission system.
2. What are the common symptoms of code P0745 in a 2004 Infiniti G35?
Symptoms may include harsh or erratic shifting, transmission slippage, poor acceleration, or the vehicle entering limp mode.
3. What causes the P0745 code to appear?
Common causes include a defective line pressure solenoid, wiring issues such as damaged or corroded connectors, low transmission fluid, or internal transmission problems.
4. Can driving with a P0745 code damage my 2004 Infiniti G35?
Yes, driving with this code active can lead to further transmission damage if the issue is not addressed promptly.
5. How do I fix the P0745 code on my Infiniti G35?
Repairs may involve replacing the line pressure solenoid, repairing damaged wiring or connectors, flushing and refilling the transmission fluid, or rebuilding the transmission if internal damage is found.
6. How can I diagnose the P0745 code?
Use an OBDII scanner to confirm the code, inspect the solenoid and its wiring for damage, check transmission fluid levels and condition, and perform a pressure test on the transmission if needed.
7. What is the cost to repair a P0745 code on a 2004 Infiniti G35?
Repair costs can range from $150 to $500 for solenoid or wiring repairs, but internal transmission damage could increase costs significantly.
8. Can low transmission fluid cause the P0745 code?
Yes, low or degraded transmission fluid can cause improper solenoid operation and trigger this code.
9. Is replacing the line pressure solenoid a DIY job for a 2004 Infiniti G35?
Replacing the solenoid can be complex and may require dropping the transmission pan. It is recommended for experienced DIYers or professionals.
10. Will resetting the code clear the P0745 issue on my Infiniti G35?
Resetting the code may temporarily clear it, but the underlying problem must be fixed to prevent the code from returning.
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