P0750 Infiniti Code - Shift Control Solenoid 'A' Malfunction
Quick Answer
Shift solenoid valve 'A' is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'A' 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
- P0750 Infiniti indicates Shift Control Solenoid 'A' Malfunction.
- Common causes
- Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty shift solenoid 'A' 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 P0750 Infiniti Description
What are the Possible Causes of the DTC P0750 Infiniti?
- Low transmission fluid level
- Dirty transmission fluid
- Faulty shift solenoid 'A' valve
- Shift solenoid 'A' valve harness or connectors
- Shift solenoid 'A' valve circuit is open or shorted
How to Fix the DTC P0750 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 P0750 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.
Need more information about the P0750 Infiniti code?
Need more information on how to fix the P0750 Infiniti code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0750 Infiniti code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0750 Infiniti Code
1. What does the OBDII code P0750 mean on an Infiniti?
P0750 indicates a malfunction in the shift control solenoid 'A,' which is responsible for controlling the flow of transmission fluid to manage gear shifting.
2. What are the common symptoms of a P0750 code on an Infiniti?
Symptoms may include harsh or delayed shifting, transmission stuck in one gear, poor acceleration, or the transmission going into "limp mode."
3. What causes the P0750 code on an Infiniti?
Common causes include a faulty shift solenoid 'A,' low transmission fluid levels, dirty or contaminated transmission fluid, wiring issues, or a failing transmission control module (TCM).
4. Can low transmission fluid trigger the P0750 code?
Yes, low or dirty transmission fluid can affect the operation of the shift solenoid and trigger the P0750 code.
5. How do you diagnose the P0750 code on an Infiniti?
Diagnosis typically involves checking the transmission fluid level and condition, inspecting the solenoid wiring and connectors, testing the solenoid's electrical resistance, and performing a scan for related codes.
6. Can you drive an Infiniti with the P0750 code?
It is not recommended to drive for extended periods with this code, as it can lead to further transmission damage or unsafe driving conditions.
7. How is the P0750 code fixed on an Infiniti?
Repairs may include replacing the shift solenoid 'A,' flushing and refilling the transmission fluid, repairing damaged wiring or connectors, or updating/replacing the transmission control module.
8. How much does it cost to fix the P0750 code on an Infiniti?
The repair cost can vary widely but typically ranges from $150 to $400 for solenoid replacement and fluid service. More extensive repairs, like TCM replacement, can cost significantly more.
9. Can a faulty TCM cause the P0750 code on an Infiniti?
Yes, a malfunctioning transmission control module can cause improper solenoid operation, leading to the P0750 code.
10. Is it necessary to reprogram the TCM after fixing the P0750 code?
In some cases, reprogramming the TCM may be required after replacing components to ensure proper operation and clearing of the code.
Discuss the causes and fixes for P0750 Infiniti OBDII Code
Code P0750 Infiniti comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
