AutoCodes – Honda – P1785 1999 Honda Civic

P1785 1999 Honda Civic Code - Transmission System First or Second Gear Fault Conditions

Quick Answer

P1785 1999 Honda Civic indicates Transmission System First or Second Gear Fault Conditions. Common causes include Check for transmission mechanical problem. 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: P1785 1999 Honda Civic indicates Transmission System First or Second Gear Fault Conditions.
Common causes: Common causes include Check for transmission mechanical problem.
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.

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Code Popularity 1,681

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 18, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1785 1999 Honda Civic Description

OBDII Code P1785 1999 Honda Civic - Transmission System First or Second Gear Fault Conditions - AutoCodes.com — P1785 1999 Honda Civic Code - Transmission System First or Second Gear Fault Conditions

What does this mean?

What are the Possible Causes of the DTC P1785 1999 Honda Civic?

Check for transmission mechanical problem

How to Fix the DTC P1785 1999 Honda Civic?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1785 1999 Honda Civic code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1785 1999 Honda Civic code?

Need more information on how to fix the P1785 1999 Honda Civic code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1785 1999 Honda Civic code diagnosed by a professional: Find a repair shop in your area

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 P1785 1999 Honda Civic Code

1. What are the common symptoms of OBDII code P1785 in a 1999 Honda Civic?

- Common symptoms include harsh shifting, delayed engagement when shifting into first or second gear, and the transmission staying in one gear.

2. What are the possible causes of OBDII code P1785 in a 1999 Honda Civic?

- Possible causes include a faulty transmission range sensor, a malfunctioning shift solenoid, low transmission fluid levels, or a damaged wiring harness.

3. How can I diagnose the OBDII code P1785 in a 1999 Honda Civic?

- Diagnosis involves using a scan tool to retrieve the trouble code, inspecting the transmission range sensor and shift solenoid, checking transmission fluid levels, and examining the wiring for any damage.

4. Can low transmission fluid cause OBDII code P1785 in a 1999 Honda Civic?

- Yes, low transmission fluid levels can lead to insufficient hydraulic pressure, causing issues with shifting into first or second gear and triggering code P1785.

5. What is the recommended repair for OBDII code P1785 in a 1999 Honda Civic?

- The recommended repair may involve replacing the transmission range sensor, repairing or replacing the shift solenoid, topping up transmission fluid, or fixing any damaged wiring.

6. Is it safe to continue driving with OBDII code P1785 present in a 1999 Honda Civic?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the transmission and potentially unsafe driving conditions.

7. Can a DIY enthusiast fix OBDII code P1785 in a 1999 Honda Civic?

- Depending on the root cause, some DIY enthusiasts may be able to address the issue by replacing components like the transmission range sensor or shift solenoid, but more complex repairs may require professional assistance.

8. How much does it typically cost to repair OBDII code P1785 in a 1999 Honda Civic?

- The cost of repair can vary widely depending on the specific cause of the issue, but it may range from $200 to $800 or more, including parts and labor.

9. Will resetting the OBDII code P1785 in a 1999 Honda Civic make the issue go away?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing code P1785 is not addressed, it is likely to reappear once the system detects the fault again.

10. How long does it take to repair OBDII code P1785 in a 1999 Honda Civic?

- The repair time can vary depending on the exact cause of the issue and the complexity of the repair, but it may take anywhere from a few hours to a full day to complete the necessary repairs.