P0730 Infiniti Code - Incorrect Gear Ratio
Quick Answer
The P0730 code in Infiniti vehicles indicates that there is an incorrect gear ratio detected in the transmission. Common causes include Low transmission fluid levels, Contaminated or degraded transmission fluid, Malfunctioning shift solenoids. 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
- P0730 Infiniti indicates Incorrect Gear Ratio.
- Common causes
- Common causes include Low transmission fluid levels, Contaminated or degraded transmission fluid, Malfunctioning shift solenoids.
- 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 P0730 Infiniti Description
The P0730 code in Infiniti vehicles indicates that there is an incorrect gear ratio detected in the transmission. This means that the transmission is not shifting properly or is slipping between gears, leading to a mismatch between the engine's speed and the output of the transmission. This issue can have a significant impact on the vehicle's performance, as it can cause poor acceleration, reduced fuel efficiency, and potential damage to the transmission over time.
Common Causes of P0730 Infiniti
- Low transmission fluid levels
- Contaminated or degraded transmission fluid
- Malfunctioning shift solenoids
- Faulty torque converter
- Internal transmission damage
Symptoms of P0730 Infiniti
- Delayed or erratic shifting between gears
- Slipping or jerking during acceleration
- Reduced fuel efficiency
- Illumination of the Check Engine Light
- Unusual noises coming from the transmission
How to Fix P0730 Infiniti
- Begin by checking the transmission fluid level and quality. Top off or replace the fluid if necessary.
- Perform a diagnostic scan to identify any specific issues with the transmission components.
- Inspect and test the shift solenoids and torque converter for proper operation.
- If internal transmission damage is suspected, the transmission may need to be disassembled and inspected for worn or damaged components.
- Clear the error code from the vehicle's computer after completing the repairs and test drive the vehicle to ensure proper shifting and operation.
Cost to Fix P0730 Infiniti
The cost of repairing a P0730 code in an Infiniti vehicle can vary depending on the specific cause of the issue and the extent of the damage. On average, the repair costs for this type of transmission issue can range from $500 to $1500, including parts and labor. It's important to note that labor rates at auto repair shops can vary, so it's advisable to obtain quotes from multiple shops to compare prices. Additionally, the cost of any necessary replacement parts will also impact the overall repair bill.
Tech Notes for P0730 Infiniti
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