P0735 2014 GMC Sierra Code - Transmission 5th Gear Ratio Incorrect
Quick Answer
The transmission turbine speed sensor and vehicle speed sensor are hall-effect sensors. Common causes include Low transmission fluid level, Shift solenoid mechanical fault, Faulty Turbine Sensor. 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
- P0735 2014 GMC Sierra indicates Transmission 5th Gear Ratio Incorrect.
- Common causes
- Common causes include Low transmission fluid level, Shift solenoid mechanical fault, Faulty Turbine Sensor.
- 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 P0735 2014 GMC Sierra Description
The TCM provides a 9 V reference circuit and a signal circuit to each of the sensors. As the 1-2-3-4-5-6 clutch piston housing and transmission output shaft or transfer case output rotates, the sensors produce a signal frequency based on the teeth on the reluctor wheel. The TCM calculates the transmission gear ratio based on the speed sensor signals and compares the calculated gear ratio to the commanded gear ratio.
The Diagnostic Trouble Code (DTC) will be set when the TCM detects the calculated gear ratio with 5th gear commanded differs from the known 6th gear ratio for 2 s.
What are the Possible Causes of the DTC P0735 2014 GMC Sierra?
- Low transmission fluid level
- Shift solenoid mechanical fault
- Faulty Turbine Sensor
- Faulty Output Speed Sensor
How to Fix the DTC P0735 2014 GMC Sierra?
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 P0735 2014 GMC Sierra 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 P0735 2014 GMC Sierra Code
1. What are the common symptoms of OBDII code P0735 in a 2014 GMC Sierra?
- Common symptoms include harsh shifting between gears, transmission slipping, lack of power, and illuminated Check Engine Light.
2. What does OBDII code P0735 mean for a 2014 GMC Sierra?
- OBDII code P0735 indicates that the transmission's fifth gear ratio is incorrect, meaning the actual gear ratio does not match the expected ratio.
3. What are the possible causes of OBDII code P0735 in a 2014 GMC Sierra?
- Possible causes include a faulty transmission shift solenoid, low transmission fluid levels, a damaged clutch, issues with the transmission control module, or mechanical problems within the transmission.
4. How can I diagnose OBDII code P0735 in my 2014 GMC Sierra?
- Diagnosing this code typically involves using a scan tool to check for additional transmission trouble codes, inspecting the transmission fluid level and condition, and conducting a thorough visual inspection of transmission components.
5. Can driving with OBDII code P0735 in a 2014 GMC Sierra cause further damage?
- Continuing to drive with this issue can potentially cause further damage to the transmission, leading to more expensive repairs in the future. It is recommended to address the problem promptly.
6. How can OBDII code P0735 in a 2014 GMC Sierra be repaired?
- Repair options may include replacing the transmission shift solenoid, repairing or replacing damaged transmission components, ensuring proper transmission fluid levels and quality, and resetting the trouble codes after repairs are completed.
7. Is it safe to continue driving my 2014 GMC Sierra with OBDII code P0735?
- It is not recommended to continue driving the vehicle with this code present, as it can lead to poor driving performance, potential transmission damage, and safety hazards on the road.
8. Can a DIY enthusiast fix OBDII code P0735 in a 2014 GMC Sierra?
- While some aspects of diagnosing and repairing this issue may be accessible to DIY enthusiasts, addressing transmission-related problems often requires specialized tools and expertise. It is advisable to consult with a professional mechanic.
9. How much does it typically cost to repair OBDII code P0735 in a 2014 GMC Sierra?
- The cost of repairing this code can vary depending on the root cause of the issue, the extent of the damage, and labor rates in your area. It is recommended to obtain quotes from reputable mechanics for an accurate estimate.
10. Will resetting the OBDII code P0735 in my 2014 GMC Sierra make the problem disappear?
- Resetting the code may temporarily turn off the Check Engine Light, but it will not solve the underlying issue causing OBDII code P0735. It is crucial to address the root cause of the problem to prevent further transmission damage.
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