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P0700 Honda Code - Automatic Transmission Fault

Quick Answer

The P0700 code for Honda vehicles specifically indicates a problem with the automatic transmission system. Common causes include Faulty transmission control module, Malfunctioning transmission sensors or solenoids, Low transmission fluid levels or dirty fluid. 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
P0700 Honda indicates Automatic Transmission Fault.
Common causes
Common causes include Faulty transmission control module, Malfunctioning transmission sensors or solenoids, Low transmission fluid levels or dirty fluid.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code P0700 Honda Description

The P0700 code for Honda vehicles specifically indicates a problem with the automatic transmission system. When this code is triggered, it means that the transmission control system has detected a fault and has requested the Engine Control Module (ECM) to illuminate the Check Engine Light on the dashboard. This code is a general transmission fault code and is often accompanied by additional transmission-related codes that provide more specific information about the issue.

OBDII Code P0700 Honda - Automatic Transmission Fault
P0700 Honda Code - Automatic Transmission Fault

Common Causes of P0700 Honda

  1. Faulty transmission control module.
  2. Malfunctioning transmission sensors or solenoids.
  3. Low transmission fluid levels or dirty fluid.
  4. Wiring issues or electrical problems.
  5. Internal transmission damage or mechanical failures.

Symptoms of P0700 Honda

  1. Check Engine Light illuminated on the dashboard.
  2. Rough or delayed shifting between gears.
  3. Transmission slipping or jerking during acceleration.
  4. Loss of power or hesitation when accelerating.
  5. Transmission fluid leaks or unusual noises coming from the transmission.

How to Fix P0700 Honda

  1. Diagnose the specific underlying issue by reading additional transmission codes and conducting a thorough inspection of the transmission system.
  2. Check and top up transmission fluid levels if necessary, and inspect for any leaks or contamination.
  3. Test and replace faulty transmission sensors or solenoids as needed.
  4. Inspect wiring harnesses for damage or corrosion, repairing or replacing any affected wires.
  5. If internal transmission damage is found, a rebuild or replacement of the transmission may be necessary.

Cost to Fix P0700 Honda

The cost of repairing a P0700 code on a Honda vehicle can vary depending on the specific cause of the issue. In general, the repair costs can range from $200 to $1500 or more. This range includes the cost of parts such as sensors, solenoids, wiring harnesses, and transmission fluid, as well as labor costs for diagnosis and repair. Keep in mind that labor rates at auto repair shops can vary widely, so it's advisable to obtain quotes from multiple shops in your area to get a more accurate estimate. Additionally, the cost of parts can vary based on the specific model and year of the Honda vehicle.

What does this mean?

Tech Notes for P0700 Honda

The P0700 code is a generic Diagnostic Trouble Code (DTC) used in OBDII systems to indicate a problem with the transmission control system. It typically means that there are additional specific transmission-related trouble codes stored in the Transmission Control Module (TCM) that need to be retrieved to diagnose the issue further.

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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 P0700 Honda Code

1. What is OBDII code P0700 in a Honda?

- OBDII code P0700 in a Honda indicates a problem with the vehicle's automatic transmission system. It is a generic code that signifies a fault in the transmission control system.

2. What are common symptoms of OBDII code P0700 in a Honda?

- Common symptoms of OBDII code P0700 in a Honda include difficulty shifting gears, delayed or harsh shifting, transmission slippage, and the transmission staying in one gear.

3. What are the possible causes of OBDII code P0700 in a Honda?

- The possible causes of OBDII code P0700 in a Honda include faulty transmission control module (TCM), issues with the transmission wiring harness, low transmission fluid levels, or a malfunctioning shift solenoid.

4. How can I diagnose OBDII code P0700 in my Honda?

- Diagnosing OBDII code P0700 in a Honda typically involves using a scan tool to retrieve additional transmission-related trouble codes and conducting a thorough inspection of the transmission system components.

5. Can I still drive my Honda with OBDII code P0700?

- It is not recommended to drive your Honda with OBDII code P0700, as it can lead to further damage to the transmission system. It's best to have the issue diagnosed and repaired as soon as possible.

6. How can I repair OBDII code P0700 in my Honda?

- Repairing OBDII code P0700 in a Honda may involve addressing the underlying cause, such as replacing a faulty TCM, repairing damaged wiring, ensuring proper transmission fluid levels, or replacing a malfunctioning shift solenoid.

7. Is it expensive to fix OBDII code P0700 in a Honda?

- The cost of fixing OBDII code P0700 in a Honda can vary depending on the specific cause of the issue and the extent of the repairs needed. It's advisable to get a diagnostic evaluation to determine the exact cost.

8. Can resetting the OBDII code P0700 in my Honda make it go away permanently?

- Simply resetting the OBDII code P0700 in a Honda may temporarily clear the code, but it will likely return if the underlying issue is not addressed and repaired.

9. Is it possible to prevent OBDII code P0700 in my Honda?

- While some transmission issues may be unavoidable, regular maintenance of the transmission system, including checking and changing transmission fluid as recommended, can help prevent OBDII code P0700 in a Honda.

10. Should I seek professional help to fix OBDII code P0700 in my Honda?

- Given the complexity of automatic transmission systems, it is recommended to seek professional help from a qualified mechanic or dealership to diagnose and repair OBDII code P0700 in a Honda.

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