Lexus Acura Error Code P1730: How to Fix It

Q: Can I drive with P1730 error code?

You can drive short distances at low speeds, but avoid highway driving or heavy acceleration. The torque converter won't lock up properly, causing overheating and potential transmission damage. Get it repaired as soon as possible.

Q: What causes the lock-up control solenoid to stick?

Common causes include contaminated transmission fluid, internal wear debris, electrical failures, or normal wear over time. Regular fluid changes help prevent solenoid problems.

Q: How much does it cost to fix P1730?

DIY repair costs $50-150 for fluid, filter, and solenoid. Professional repair typically costs $300-800 depending on labor rates and whether additional transmission work is needed.

Q: Will P1730 damage my transmission?

If left unrepaired, yes. Without proper torque converter lock-up, the transmission will overheat and wear components faster. This can lead to complete transmission failure requiring rebuild or replacement.

Q: How often should transmission fluid be changed to prevent P1730?

Follow manufacturer recommendations, typically every 30,000-60,000 miles for normal driving or 15,000-30,000 miles for severe conditions like towing or stop-and-go traffic.

Abstract

Error code P1730 indicates that the lock-up control valve A solenoid in your transmission is stuck in the off position. This prevents proper torque converter lock-up, leading to reduced fuel economy, transmission overheating, and potential damage if not addressed promptly.