P0733 GMC Code - Transmission 3rd Gear Ratio Incorrect
Quick Answer
The P0733 diagnostic trouble code (DTC) for GMC vehicles indicates that the transmission's third gear ratio is incorrect. Common causes include Low transmission fluid levels, Faulty transmission solenoid, Malfunctioning transmission control module. 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
- P0733 GMC indicates Transmission 3rd Gear Ratio Incorrect.
- Common causes
- Common causes include Low transmission fluid levels, Faulty transmission solenoid, Malfunctioning transmission control module.
- 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.
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Code P0733 GMC Description
The P0733 diagnostic trouble code (DTC) for GMC vehicles indicates that the transmission's third gear ratio is incorrect. This means that the transmission is not shifting into 3rd gear properly, which can lead to a variety of performance issues. The transmission system in a vehicle is responsible for transferring power from the engine to the wheels, and if the gear ratios are off, it can result in inefficient power delivery and poor overall performance.
Common Causes of P0733 GMC
- Low transmission fluid levels
- Faulty transmission solenoid
- Malfunctioning transmission control module
- Worn-out gears or clutch plates
- Faulty transmission speed sensor
Symptoms of P0733 GMC
- Harsh or delayed shifting
- Engine revving higher than normal
- Slipping gears
- Lack of power during acceleration
- Check Engine Light illuminated
How to Fix P0733 GMC
- Check and replenish transmission fluid levels
- Inspect and replace the transmission solenoid if necessary
- Test and potentially replace the transmission control module
- Inspect and replace worn-out gears or clutch plates
- Test and potentially replace the transmission speed sensor
Cost to Fix P0733 GMC
The cost of repairing a P0733 code for a GMC vehicle can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair costs can range from $200 to $800, including parts and labor. It is recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model. Keep in mind that labor rates can vary between different repair shops, so it's advisable to shop around for the best price.
Tech Notes for P0733 GMC
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Information for Specific GMC Models
- P0733 2014 GMC Sierra — Transmission 3rd Gear Ratio Incorrect
- P0733 2015 GMC Sierra — Transmission 3rd Gear Ratio Incorrect
- P0733 2016 GMC Sierra — Transmission 3rd Gear Ratio Incorrect
- P0733 2017 GMC Sierra — Transmission 3rd Gear Ratio Incorrect
- P0733 2018 GMC Sierra — Transmission 3rd Gear Ratio Incorrect
Frequently Asked Questions about P0733 GMC Code
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