P0735 Subaru Code - Gear 5 Incorrect Ratio
Quick Answer
The P0735 diagnostic trouble code (DTC) for Subaru vehicles indicates a problem with the transmission's fifth gear, specifically an incorrect gear ratio. Common causes include Low transmission fluid levels, Faulty transmission solenoid, Transmission control module issues. 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 Subaru indicates Gear 5 Incorrect Ratio.
- Common causes
- Common causes include Low transmission fluid levels, Faulty transmission solenoid, Transmission control module issues.
- 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 P0735 Subaru Description
The P0735 diagnostic trouble code (DTC) for Subaru vehicles indicates a problem with the transmission's fifth gear, specifically an incorrect gear ratio. When this code is triggered, it means that the transmission is not shifting into fifth gear properly, leading to issues with acceleration, fuel efficiency, and overall driving performance. The incorrect gear ratio can cause the engine to work harder than necessary, leading to increased wear and tear on the transmission components.
Common Causes of P0735 Subaru
- Low transmission fluid levels
- Faulty transmission solenoid
- Transmission control module issues
- Internal transmission component failure
- Electrical problems within the transmission system
Symptoms of P0735 Subaru
- Delayed or rough shifting between gears
- Slipping or jerking when accelerating
- Reduced fuel efficiency
- Illumination of the Check Engine Light
- Transmission overheating
How to Fix P0735 Subaru
- Begin by checking the transmission fluid level and condition. If low, top off the fluid and inspect for any leaks.
- Perform a diagnostic scan to retrieve the exact trouble code and further diagnose the issue.
- Inspect the transmission solenoid, valve body, and clutch for any signs of wear or damage. Replace any faulty components as needed.
- Check the transmission control module for any faults or errors. Reset or reprogram the module if necessary.
- Test drive the vehicle to ensure the issue has been resolved, and clear the trouble code from the vehicle's computer system.
Cost to Fix P0735 Subaru
The cost of repairing a P0735 code in a Subaru vehicle can vary depending on the specific cause of the issue. On average, the cost of parts and labor for this repair can range from $300 to $800. However, it's important to note that labor rates at auto repair shops can vary widely, so it's recommended to obtain quotes from multiple shops to compare prices. Additionally, the cost may be higher if the issue requires more extensive repairs or the replacement of major transmission components.
Tech Notes for P0735 Subaru
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Frequently Asked Questions about P0735 Subaru Code
1. What does the OBDII code P0735 mean on a Subaru?
P0735 indicates that the transmission control module (TCM) has detected an incorrect gear ratio in 5th gear, suggesting a possible issue with the transmission system.
2. What are the symptoms of code P0735 in a Subaru?
Common symptoms include slipping or harsh shifting in 5th gear, reduced fuel efficiency, transmission overheating, and the illumination of the check engine light.
3. What causes the P0735 code to appear in a Subaru?
Possible causes include low or dirty transmission fluid, a malfunctioning transmission solenoid, a faulty speed sensor, or internal transmission damage like worn gears or clutches.
4. Can driving with a P0735 code damage my Subaru?
Yes, driving with this code can cause further damage to the transmission if the underlying issue is not promptly addressed.
5. How do I diagnose a P0735 code in my Subaru?
Diagnosis typically involves checking the transmission fluid level and condition, scanning for additional codes, testing the transmission solenoids, and inspecting the speed sensors and wiring.
6. How can I fix a P0735 code on my Subaru?
Repairs may include replacing or flushing the transmission fluid, repairing or replacing faulty solenoids, sensors, or wiring, or rebuilding the transmission if internal damage is present.
7. Can a low transmission fluid level cause a P0735 code?
Yes, low or dirty transmission fluid can cause incorrect gear ratios, including triggering the P0735 code.
8. How much does it cost to fix a P0735 code on a Subaru?
The cost depends on the cause, ranging from $100–$300 for fluid and sensor replacements to over $2,000 for a transmission rebuild.
9. Is it safe to drive my Subaru with a P0735 code?
It’s not recommended, as the issue could worsen and lead to more extensive and costly transmission damage.
10. Can a faulty speed sensor trigger a P0735 code on a Subaru?
Yes, a malfunctioning speed sensor can send incorrect data to the TCM, causing it to detect an incorrect gear ratio and trigger the P0735 code.
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