Engine-CodesHonda – P0730 Honda

P0730 Honda Code - Faulty Shift Control System

Quick Answer

The P0730 code in a Honda indicates a fault in the shift control system of the vehicle. Common causes include Low transmission fluid levels, Faulty shift solenoids, Transmission control module (TCM) 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
P0730 Honda indicates Faulty Shift Control System.
Common causes
Common causes include Low transmission fluid levels, Faulty shift solenoids, Transmission control module (TCM) 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.
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P0730 Honda Description

The P0730 code in a Honda indicates a fault in the shift control system of the vehicle. This means that the Engine Control Module (ECM) has detected a problem with the transmission's ability to shift gears properly. This issue can lead to erratic shifting, difficulty in changing gears, or the transmission getting stuck in one gear. It can significantly affect the vehicle's performance and fuel efficiency, as well as potentially causing damage to the transmission system if left unaddressed.

OBDII Code P0730 Honda - Faulty Shift Control System
P0730 Honda Code - Faulty Shift Control System

Common Causes of P0730 Honda

  1. Low transmission fluid levels
  2. Faulty shift solenoids
  3. Transmission control module (TCM) issues
  4. Internal transmission damage
  5. Wiring or electrical problems

Symptoms of P0730 Honda

  1. Erratic shifting or difficulty changing gears
  2. Transmission slipping or jerking
  3. Delayed engagement when shifting
  4. Vehicle stuck in one gear
  5. Illuminated check engine light

How to Fix P0730 Honda

  1. Check and top up transmission fluid levels
  2. Inspect and replace faulty shift solenoids
  3. Test and potentially replace the TCM
  4. Perform a thorough transmission system inspection and repair any internal damage
  5. Check and repair any wiring or electrical issues related to the shift control system

Cost to Fix P0730 Honda

The cost of repairing a P0730 fault in a Honda can vary depending on the root cause of the issue. On average, the repair may range from $200 to $1000, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Labor rates typically range between $80 and $150 per hour, but rates may vary based on location and type of repair shop.

Tech Notes for P0730 Honda

Start by inspecting the transmission fluid level and condition, and change fluid if necessary.





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When is the Code Detected?

The TCM has detected that the transmission is trying to mechanically shift to a lower gear than intended

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0730 Honda Code

No Frequently Asked Questions about P0730 Honda Code found.

Discuss the causes and fixes for P0730 Honda OBDII Code

  • I have a 2000 Honda Accord v6. I just had my transmission rebuilt. The day after I got my car fixed th light on d4 starts flashing. I scanned and code p7080 came up. I've put so much money in the car.

  • Hey I'm a trans tech been building trans 30 yrs. Bought wife 2001hondacivic trans bad .I drive car determine could fix w/o major overhaul was slipping would stop pulling could pull over cut off start engine would shift perfect u stop would start acting crazy slip stop pulling fluid is cherry more I drove seem to get a little better so I determine pressure regulator valve could have been sticking I drain a quarter fluid out and added some Lucas trans treatment it started working immediately my wife has driven it a month nationalism Burlington calls me and tells me it shifting funny and quit pulling every two or three miles cut it off startup the same thing it has a code po730 I look it up it says shift solenoid A and then I read that someone had posted on some site about it can do the pump wearing I don't think it's the pump because it'll work and then it quits front blowout I know how a Honda pump will if it's just two years unless they're broke they don't usually have a problem I was wondering if anyone's had the same problem and replace the solenoids and did it work before she spends $40 up there or before I have to go drive 200 something miles

  • This was incredibly annoying and difficult to read without punctuation.

  • 2005 honda code po730 you can manual shift it