Engine-Codes.com
Engine-Codes – Honda – P1873 1996 Honda Civic

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

Quick Answer

The P1873 code for a 1996 Honda Civic indicates a problem in the CVT (Continuously Variable Transmission) Pulley Pressure Control Valve Assembly Circuit. Common causes include Wiring harness issues, Faulty pressure control valve, Malfunctioning solenoid. 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 Wiring harness issues, Faulty pressure control valve, Malfunctioning solenoid.
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 17, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1873 1996 Honda Civic Description

The P1873 code for a 1996 Honda Civic indicates a problem in the CVT (Continuously Variable Transmission) Pulley Pressure Control Valve Assembly Circuit. In a CVT system, the pulley pressure control valve assembly is responsible for regulating the hydraulic pressure that controls the operation of the transmission. When this circuit malfunctions, it can lead to issues with the transmission's ability to shift smoothly and efficiently.

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

Common Causes of P1873 1996 Honda Civic

  1. Wiring harness issues
  2. Faulty pressure control valve
  3. Malfunctioning solenoid
  4. Transmission control module failure
  5. Electrical connection problems

Symptoms of P1873 1996 Honda Civic

  1. Harsh or delayed shifting
  2. Erratic transmission behavior
  3. Reduced fuel efficiency
  4. Transmission slippage
  5. Illumination of the Check Engine Light

How to Fix P1873 1996 Honda Civic

  1. Begin by conducting a thorough inspection of the wiring harness and electrical connections related to the CVT pulley pressure control valve assembly.
  2. Test the pressure control valve and solenoid for proper operation using a multimeter or scan tool.
  3. If any components are found to be faulty, replace them with OEM parts to ensure compatibility and performance.
  4. Clear the diagnostic trouble codes from the vehicle's computer and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, consider seeking professional assistance from a certified mechanic or transmission specialist for further diagnosis and repair.

Cost to Fix P1873 1996 Honda Civic

The typical repair costs for addressing a P1873 code in a 1996 Honda Civic can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, you can expect to pay anywhere from $200 to $600 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can fluctuate based on various factors, so it's recommended to obtain quotes from multiple sources to ensure a fair price. Remember that rates may be higher at dealerships or in metropolitan areas, while independent shops often offer more competitive pricing.

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

Need Help with the Code?

Get the P1873 1996 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 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.

Discuss the causes and fixes for P1873 1996 Honda Civic OBDII Code

Submit a New Comment

Code P1873 1996 Honda Civic comments

No comments found for this page.