P1730 Code - Automatic Transmission Interlock
Quick Answer
The P1730 code refers to an issue with the automatic transmission interlock system in the vehicle. Common causes include Faulty brake light switch, Wiring issues in the interlock system, Defective shift interlock solenoid. 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
- P1730 indicates Automatic Transmission Interlock.
- Common causes
- Common causes include Faulty brake light switch, Wiring issues in the interlock system, Defective shift interlock solenoid.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1730 Description
The P1730 code refers to an issue with the automatic transmission interlock system in the vehicle. This system is responsible for preventing the vehicle from shifting out of park without the brake pedal being pressed. When this code is triggered, it signifies that there is a malfunction in the interlock system, which can affect the vehicle's drivability and safety. If not addressed, this issue can lead to difficulty shifting gears, inability to move the vehicle out of park, or even complete transmission failure.
Common Causes of P1730
- Faulty brake light switch
- Wiring issues in the interlock system
- Defective shift interlock solenoid
- Low transmission fluid level
- Mechanical problems in the transmission
Symptoms of P1730
- Difficulty shifting out of park
- Inability to shift gears
- Transmission slipping
- Dashboard warning lights illuminated
- Vehicle not starting
How to Fix P1730
- Check and replace the brake light switch if faulty
- Inspect and repair any damaged wiring in the interlock system
- Test and replace the shift interlock solenoid if necessary
- Top up or replace transmission fluid
- Inspect and repair any mechanical issues in the transmission
Cost to Fix P1730
The typical repair costs for addressing a P1730 code can range from $150 to $500, depending on the specific cause of the issue and the parts needed for repair. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to check with local shops for a more accurate estimate.
When is the Code Detected?
Need more information about the P1730 code?
Need more information on how to fix the P1730 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1730 code diagnosed by a professional: Find a repair shop in your area
Code P1730 Information for Specific Makes
- P1730 Acura — Problem In Shift Control System
- P1730 Honda — Problem In Shift Control System
- P1730 Hyundai — Front Speed Sensor Low Input
- P1730 Infiniti — Automatic Transmission Interlock
- P1730 Nissan — Automatic Transmission Interlock
- P1730 Toyota — Counter Gear Speed Sensor
Frequently Asked Questions about P1730 Code
1. What does OBDII code P1730 indicate?
Code P1730 stands for Automatic Transmission Interlock. It typically indicates an issue with the automatic transmission interlock system.
2. What are the common symptoms of OBDII code P1730?
Common symptoms include difficulty shifting gears, the transmission not engaging properly, and the vehicle not starting due to the interlock system malfunction.
3. What are the possible causes of OBDII code P1730?
Possible causes include a faulty interlock solenoid, damaged wiring or connectors in the interlock system, low transmission fluid levels, or a malfunctioning transmission control module.
4. How can I diagnose OBDII code P1730?
Diagnosis typically involves using a scan tool to retrieve the code, checking the transmission fluid level and condition, inspecting the interlock solenoid and related components, and testing the wiring and connectors for any issues.
5. Can I drive my vehicle with OBDII code P1730?
It is not recommended to drive your vehicle with code P1730, as it can lead to potential safety hazards and further damage to the transmission system.
6. How can I repair OBDII code P1730?
Repairs may involve replacing the faulty interlock solenoid, repairing damaged wiring or connectors, topping up or changing the transmission fluid, or reprogramming the transmission control module.
7. Will resetting the trouble code fix OBDII code P1730?
Resetting the trouble code may temporarily clear the warning light, but it will not fix the underlying issue causing code P1730. It is important to diagnose and repair the root cause of the problem.
8. How much does it cost to repair OBDII code P1730?
The cost of repairing code P1730 can vary depending on the specific cause of the issue, the labor rates in your area, and the cost of parts needed for the repair. It is advisable to consult a professional mechanic for an accurate estimate.
9. Is OBDII code P1730 a common issue in certain vehicle makes and models?
Code P1730 related to the Automatic Transmission Interlock can be more common in vehicles with automatic transmissions, especially in older models or those with high mileage.
10. Can I prevent OBDII code P1730 from occurring in the future?
Regular maintenance of your vehicle's transmission system, including checking fluid levels, addressing any leaks promptly, and following the manufacturer's recommended service intervals, can help prevent issues like code P1730 from occurring.
1. What are common symptoms of OBDII code P1730 (Automatic Transmission Interlock)?
- Common symptoms include the inability to shift gears, a stuck gear shift, and the transmission not engaging properly.
2. What causes OBDII code P1730 to trigger?
- This code is typically triggered by issues with the automatic transmission interlock system, such as a faulty interlock solenoid or wiring problems.
3. How can I diagnose OBDII code P1730?
- Diagnosing this code usually involves inspecting the automatic transmission interlock components, checking for any loose connections or damaged wiring, and using a scan tool to retrieve specific diagnostic trouble codes.
4. Can a DIYer repair OBDII code P1730 at home?
- While some basic troubleshooting like checking connections and wiring can be done at home, repairing OBDII code P1730 often requires specialized tools and expertise, so it's recommended to consult a professional mechanic.
5. Is it safe to drive with OBDII code P1730 present?
- It is not recommended to drive with this code present, as it can lead to potential safety hazards due to the transmission not functioning properly.
6. How much does it typically cost to repair OBDII code P1730?
- The cost of repairing this code can vary depending on the underlying issue, but it may range from a couple of hundred dollars to over a thousand dollars, including parts and labor.
7. Can resetting the OBDII code P1730 fix the issue?
- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the code to trigger. It's important to diagnose and address the root cause of the issue.
8. Are there any preventive measures to avoid OBDII code P1730?
- Regular maintenance of the automatic transmission system, such as fluid checks and replacements, can help prevent issues that may lead to OBDII code P1730.
9. Can a bad battery trigger OBDII code P1730?
- A weak or failing battery can potentially cause electrical issues that may lead to OBDII code P1730 triggering, so it's advisable to ensure the battery is in good condition.
10. How long does it take to repair OBDII code P1730?
- The repair time for OBDII code P1730 can vary depending on the exact cause of the issue and the complexity of the repair. It may take a few hours to a full day to complete the repair.
1. What are the common symptoms of OBDII code P1730 (Automatic Transmission Interlock)?
- Common symptoms include difficulty shifting gears, transmission not engaging properly, and the vehicle not moving when in gear.
2. What are the possible causes of OBDII code P1730?
- The code P1730 can be caused by issues with the transmission interlock solenoid, faulty wiring or connectors, low transmission fluid, or a malfunctioning transmission control module.
3. How can I diagnose OBDII code P1730?
- Diagnosing code P1730 typically involves using a scan tool to read the code and investigate the transmission interlock system, solenoid, wiring, and fluid levels for any issues.
4. Can OBDII code P1730 be fixed without professional help?
- Fixing code P1730 may require specialized knowledge and tools, so it's recommended to seek professional help from a qualified mechanic or technician.
5. What are the repair options for OBDII code P1730?
- Repair options may include replacing the transmission interlock solenoid, repairing damaged wiring or connectors, checking and filling transmission fluid, or reprogramming the transmission control module.
6. Is it safe to continue driving with OBDII code P1730 present?
- It is not recommended to continue driving with code P1730 present, as it can lead to further damage to the transmission and potentially unsafe driving conditions.
7. How much does it typically cost to repair OBDII code P1730?
- The cost of repairing code P1730 can vary depending on the specific issue causing the code, but it may range from a few hundred to over a thousand dollars, including parts and labor.
8. Can a DIY enthusiast fix OBDII code P1730 at home?
- While some DIY enthusiasts may have the skills and tools to attempt the repair, it's important to assess your own capabilities and the complexity of the repair before attempting it at home.
9. What are the long-term consequences of ignoring OBDII code P1730?
- Ignoring code P1730 can lead to more severe transmission problems, potential safety hazards while driving, and ultimately more costly repairs in the future.
10. Is OBDII code P1730 a common issue in certain vehicle makes and models?
- OBDII code P1730 can be more common in certain vehicle makes and models with automatic transmissions, but it can potentially occur in any vehicle with an automatic transmission system.
Discuss the causes and fixes for P1730 OBDII Code
-
I have a Suzuki Jimny 2010. It had a slamming which I think is coming from the transmission.
This code came up along with p1725. I have not been able to fix this issue for 3 years.
I have rebuilt the transmission twice , charged the valve body, charged the torque converter
Please help
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.