AutoCodes – Honda – P1891 1996 Honda Civic

P1891 1996 Honda Civic Code - Problem in Start Clutch System

Quick Answer

The start clutch control system controls the clutch piston hydraulic pressure which affects the amount of power transmission by the multiplate wet start clutch on the driven pulley shaft. Common causes include Faulty CVT Speed Sensor, CVT Speed Sensor harness is open or shorted, CVT Speed Sensor 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: P1891 1996 Honda Civic indicates Problem in Start Clutch System.
Common causes: Common causes include Faulty CVT Speed Sensor, CVT Speed Sensor harness is open or shorted, CVT Speed Sensor 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 2,373

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 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1891 1996 Honda Civic Description

The start clutch control system controls the clutch piston hydraulic pressure which affects the amount of power transmission by the multiplate wet start clutch on the driven pulley shaft. The Transmission Control Module (TCM) activates the CVT start clutch pressure control solenoid to control the hydraulic pressure that is applied to the start clutch piston in accordance with vehicle conditions. The start clutch control system detects the overslip of the clutch. If the difference between the vehicle speed measured by the driven pulley speed sensor and one measured by the CVT speed sensor is excessive when driving the vehicle under Enable Conditions, a malfunction, excessive clutch slippage is detected and a DTC is stored.

OBDII Code P1891 1996 Honda Civic - Problem in Start Clutch System - AutoCodes.com — P1891 1996 Honda Civic Code - Problem in Start Clutch System

What does this mean?

What are the Possible Causes of the DTC P1891 1996 Honda Civic?

Faulty CVT Speed Sensor
CVT Speed Sensor harness is open or shorted
CVT Speed Sensor circuit poor electrical connection
Faulty Driven Pulley Speed Sensor
Driven Pulley Speed Sensor harness is open or shorted
Driven Pulley Speed Sensor circuit poor electrical connection

How to Fix the DTC P1891 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 P1891 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 P1891 1996 Honda Civic code?

Need more information on how to fix the P1891 1996 Honda Civic code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1891 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 P1891 1996 Honda Civic Code

1. What does OBDII code P1891 mean for my 1996 Honda Civic?

- OBDII code P1891 indicates a problem in the start clutch system of your 1996 Honda Civic.

2. What are the common symptoms of OBDII code P1891 in a 1996 Honda Civic?

- Common symptoms of OBDII code P1891 include difficulty starting the vehicle, engine stalling, and poor acceleration.

3. What are the possible causes of OBDII code P1891 in a 1996 Honda Civic?

- Possible causes of OBDII code P1891 in a 1996 Honda Civic include a faulty start clutch sensor, wiring issues, or a malfunctioning start clutch system.

4. How can I diagnose the issue related to OBDII code P1891 in my 1996 Honda Civic?

- Proper diagnosis involves using an OBDII scanner to retrieve the fault codes, inspecting the start clutch sensor and its wiring, and checking the start clutch system for any signs of damage or wear.

5. Can I still drive my 1996 Honda Civic with OBDII code P1891?

- It is not recommended to drive your 1996 Honda Civic with OBDII code P1891, as it can lead to further damage to the start clutch system and potentially cause safety hazards.

6. How can I repair OBDII code P1891 in my 1996 Honda Civic?

- Repairing OBDII code P1891 in a 1996 Honda Civic may involve replacing the faulty start clutch sensor, repairing any damaged wiring, or addressing issues within the start clutch system.

7. Is it possible to reset OBDII code P1891 in a 1996 Honda Civic by disconnecting the battery?

- While disconnecting the battery may clear the code temporarily, it is important to diagnose and repair the underlying issue causing OBDII code P1891 to prevent it from reoccurring.

8. Will OBDII code P1891 in a 1996 Honda Civic cause poor fuel efficiency?

- Yes, OBDII code P1891 in a 1996 Honda Civic can lead to poor fuel efficiency due to the start clutch system not functioning properly, affecting the vehicle's overall performance.

9. How much does it typically cost to repair OBDII code P1891 in a 1996 Honda Civic?

- The cost of repairing OBDII code P1891 in a 1996 Honda Civic can vary depending on the specific issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Can a DIY enthusiast fix OBDII code P1891 in a 1996 Honda Civic?

- While some DIY enthusiasts may have the skills to address OBDII code P1891 in a 1996 Honda Civic, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure the issue is resolved effectively.