AutoCodes – Honda – P1873 1996 Honda Civic

P1873 1996 Honda Civic Code - Problem in CVT Pulley Pressure Control Valve Assembly Circuit

Quick Answer

P1873 1996 Honda Civic indicates Problem in CVT Pulley Pressure Control Valve Assembly Circuit. Common causes include Faulty CVT Pulley Pressure Control Valve, CVT Pulley Pressure Control Valve harness is open or shorted, CVT Pulley Pressure Control Valve circuit poor electrical connection. 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: P1873 1996 Honda Civic indicates Problem in CVT Pulley Pressure Control Valve Assembly Circuit.
Common causes: Common causes include Faulty CVT Pulley Pressure Control Valve, CVT Pulley Pressure Control Valve harness is open or shorted, CVT Pulley Pressure Control Valve circuit poor electrical connection.
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 2,654

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Sep 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1873 1996 Honda Civic Description

OBDII Code P1873 1996 Honda Civic - Problem in CVT Pulley Pressure Control Valve Assembly Circuit - AutoCodes.com — P1873 1996 Honda Civic Code - Problem in CVT Pulley Pressure Control Valve Assembly Circuit

What does this mean?

What are the Possible Causes of the DTC P1873 1996 Honda Civic?

Faulty CVT Pulley Pressure Control Valve
CVT Pulley Pressure Control Valve harness is open or shorted
CVT Pulley Pressure Control Valve circuit poor electrical connection

How to Fix the DTC P1873 1996 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 P1873 1996 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 P1873 1996 Honda Civic code?

Need more information on how to fix the P1873 1996 Honda Civic code? Get Access to Factory Service Manuals

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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 P1873 1996 Honda Civic Code

1. What does OBDII code P1873 mean for a 1996 Honda Civic?

Code P1873 indicates a problem in the CVT pulley pressure control valve assembly circuit, which is critical for maintaining proper transmission operation.

2. What are the symptoms of code P1873 in a 1996 Honda Civic?

Common symptoms include poor acceleration, slipping or erratic shifting, transmission overheating, and the Check Engine Light or transmission warning light illuminating.

3. What causes code P1873 to appear in a 1996 Honda Civic?

The most common causes are faulty CVT pulley pressure control solenoid, damaged wiring or connectors in the circuit, transmission fluid contamination, or a failing transmission control module (TCM).

4. Can I drive my 1996 Honda Civic with code P1873 active?

Driving with this code is not recommended as it can lead to further transmission damage or unsafe driving conditions due to erratic shifting.

5. How do I diagnose code P1873 in a 1996 Honda Civic?

Start by inspecting the wiring and connectors for the CVT pressure control solenoid. Then, test the solenoid for proper function using a multimeter and check the transmission fluid for contamination.

6. How do I fix code P1873 in a 1996 Honda Civic?

Repairs may include replacing the CVT pulley pressure control solenoid, repairing damaged wiring or connectors, flushing and replacing the transmission fluid, or reprogramming or replacing the TCM.

7. Is a CVT transmission fluid change necessary to fix code P1873?

Yes, if the fluid is contaminated or degraded, a transmission fluid flush and replacement may be required to resolve the issue.

8. How much does it cost to repair code P1873 in a 1996 Honda Civic?

The cost depends on the specific repair needed. Replacing a solenoid can cost $100-$300, while electrical repairs or TCM replacement may cost more.

9. Can a bad battery cause code P1873 in a 1996 Honda Civic?

While unlikely, a weak or failing battery can sometimes cause electrical issues in the transmission control system, so checking the battery is a good preventive step.

10. Do I need a professional mechanic to fix code P1873 in a 1996 Honda Civic?

If you're experienced with automotive diagnostics and repairs, you can attempt to diagnose and fix the issue yourself. However, a professional mechanic is recommended for complex repairs or if you're unsure about the diagnosis.