Engine-CodesHonda – P1768 Honda

P1768 Honda Code - A/T Clutch Pressure Control Solenoid Valve Circuit

Quick Answer

The P1768 Honda code indicates a problem with the A/T clutch pressure control solenoid valve circuit in the vehicle's automatic transmission system. Common causes include Faulty A/T clutch pressure control solenoid valve, Wiring issues or shorts in the circuit, Low transmission fluid levels. 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
P1768 Honda indicates A/T Clutch Pressure Control Solenoid Valve Circuit.
Common causes
Common causes include Faulty A/T clutch pressure control solenoid valve, Wiring issues or shorts in the circuit, Low transmission fluid levels.
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 Aug 18, 2024
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Code P1768 Honda Description

The P1768 Honda code indicates a problem with the A/T clutch pressure control solenoid valve circuit in the vehicle's automatic transmission system. This solenoid valve is responsible for regulating the hydraulic pressure that controls the engagement and disengagement of the clutch. When this circuit malfunctions, it can lead to issues with shifting gears smoothly, causing erratic or harsh shifting behavior. If not addressed, this can result in further damage to the transmission system and potentially lead to complete transmission failure.

OBDII Code P1768 Honda - A/T Clutch Pressure Control Solenoid Valve Circuit
P1768 Honda Code - A/T Clutch Pressure Control Solenoid Valve Circuit

Common Causes of P1768 Honda

  1. Faulty A/T clutch pressure control solenoid valve
  2. Wiring issues or shorts in the circuit
  3. Low transmission fluid levels
  4. Contaminated transmission fluid
  5. Electrical problems in the transmission control module

Symptoms of P1768 Honda

  1. Rough or delayed shifting between gears
  2. Slipping gears
  3. Transmission overheating
  4. Reduced fuel efficiency
  5. Illumination of the Check Engine Light

How to Fix P1768 Honda

  1. Begin by diagnosing the specific cause of the issue, which may involve using a scan tool to retrieve the trouble codes and testing the A/T clutch pressure control solenoid valve.
  2. Inspect the wiring and connections related to the solenoid valve for any damage or corrosion.
  3. Replace the A/T clutch pressure control solenoid valve if it is found to be faulty.
  4. Flush and refill the transmission fluid if it is contaminated or low.
  5. Clear the trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1768 Honda

The cost of repairing the A/T clutch pressure control solenoid valve circuit can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $200 to $500 for parts and labor. Keep in mind that additional diagnostic time and any necessary transmission fluid may also add to the total cost. It is recommended to consult with a professional mechanic or auto repair shop for a more accurate estimate tailored to your vehicle's make and model.

Tech Notes for P1768 Honda

The Clutch Pressure Control Solenoid Valve is located inside the transmission.

1997 Honda CRV




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Information for Specific Honda Models

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 P1768 Honda Code

1. What are the common symptoms of OBDII code P1768 in a Honda related to the A/T Clutch Pressure Control Solenoid Valve Circuit?

- Common symptoms include harsh shifting, transmission slippage, erratic shifting patterns, and the transmission going into failsafe mode.

2. What can cause the OBDII code P1768 to trigger in a Honda?

- Possible causes include a faulty A/T clutch pressure control solenoid valve, damaged wiring or connectors in the circuit, low transmission fluid level, or a malfunctioning transmission control module.

3. How can I diagnose the issue causing the OBDII code P1768 in my Honda?

- Diagnosing the issue may involve checking the transmission fluid level, inspecting the wiring and connectors related to the solenoid valve, performing a circuit test, and using a scan tool to monitor the solenoid's operation.

4. Is it safe to continue driving my Honda with the OBDII code P1768 present?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the transmission and potentially result in a complete transmission failure.

5. Can I repair the A/T Clutch Pressure Control Solenoid Valve Circuit issue in my Honda myself?

- Depending on your level of automotive expertise, you may be able to repair the issue yourself by replacing the faulty solenoid valve, repairing damaged wiring, or addressing other potential causes. However, professional help is often recommended for complex transmission-related repairs.

6. How much does it typically cost to repair the A/T Clutch Pressure Control Solenoid Valve Circuit issue in a Honda?

- The cost of repairing this issue can vary depending on the exact cause of the problem, the labor rates in your area, and whether you choose to go to a dealership or an independent mechanic. It's advisable to get a few quotes from different repair shops.

7. Will resetting the OBDII code P1768 in my Honda make the issue go away?

- Resetting the code may temporarily turn off the check engine 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 to prevent further damage.

8. How urgent is it to address the OBDII code P1768 in my Honda?

- It is recommended to address this issue as soon as possible to prevent potential transmission damage and avoid being stranded due to transmission failure.

9. Can a low transmission fluid level trigger the OBDII code P1768 in a Honda?

- Yes, a low transmission fluid level can cause issues with the A/T Clutch Pressure Control Solenoid Valve Circuit, leading to the triggering of the P1768 code. Checking and topping up the transmission fluid may help resolve the problem.

10. What are some preventive maintenance tips to avoid encountering the OBDII code P1768 in a Honda?

- Regularly checking and changing the transmission fluid at the recommended intervals, avoiding harsh driving habits, and addressing any transmission-related issues promptly can help prevent the A/T Clutch Pressure Control Solenoid Valve Circuit problem and the associated OBDII code.

Discuss the causes and fixes for P1768 Honda OBDII Code

  • Check the 7.5 amp fuse #15 for the alternator inside the car, that fixed my P1768 Code 1999 Civic DX Hatchback with A/T.

  • Same thing with my acura EL 2000.. that alternator fuse triggered the P1768 transmission Code which is very odd....thx so much.. it was starting getting me nuts with the speedometer needle bouncing and jumping around, hard shifting when parked and accelerating in 4th gear from stop with a blinking Drive light...