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P1889 Honda Code - Problem in CVT Speed Sensor 2 Circuit

Quick Answer

The P1889 Honda code indicates a problem in the CVT Speed Sensor 2 circuit of the vehicle. Common causes include Faulty CVT Speed Sensor 2, Damaged or corroded wiring in the sensor circuit, ECM malfunction. 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
P1889 Honda indicates Problem in CVT Speed Sensor 2 Circuit.
Common causes
Common causes include Faulty CVT Speed Sensor 2, Damaged or corroded wiring in the sensor circuit, ECM malfunction.
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 08, 2024
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Code P1889 Honda Description

The P1889 Honda code indicates a problem in the CVT Speed Sensor 2 circuit of the vehicle. The Continuously Variable Transmission (CVT) Speed Sensor 2 is responsible for monitoring the speed of the transmission output shaft. This information is crucial for the proper operation of the CVT system, as it helps to ensure smooth shifting and optimal performance.

OBDII Code P1889 Honda - Problem in CVT Speed Sensor 2 Circuit
P1889 Honda Code - Problem in CVT Speed Sensor 2 Circuit

Common Causes of P1889 Honda

  1. Faulty CVT Speed Sensor 2
  2. Damaged or corroded wiring in the sensor circuit
  3. ECM malfunction
  4. Poor electrical connection to the sensor
  5. Overheating of the transmission system

Symptoms of P1889 Honda

  1. Rough or erratic shifting
  2. Delayed engagement when shifting gears
  3. Illuminated Check Engine Light
  4. Decreased fuel efficiency
  5. Vehicle may go into limp mode

How to Fix P1889 Honda

  1. Diagnose the specific cause of the issue using a scan tool
  2. Inspect the CVT Speed Sensor 2 and its wiring for any damage or corrosion
  3. Replace the faulty sensor or repair any damaged wiring
  4. Clear the trouble codes from the ECM and test drive the vehicle to ensure the issue has been resolved
  5. If necessary, reprogram the ECM to ensure proper communication with the new sensor

Cost to Fix P1889 Honda

The typical repair costs for addressing a P1889 Honda code can vary depending on the exact cause of the issue and the specific parts and labor required. In general, the cost of replacing a CVT Speed Sensor 2 can range from $150 to $300, while the cost of labor can range from $100 to $200. It's important to keep in mind that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Additionally, the cost of diagnosis and any additional parts or repairs may also impact the overall cost. It's recommended to consult with a professional technician for a more accurate estimate based on your specific vehicle and location.

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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 P1889 Honda Code

1. What does the OBDII code P1889 mean on a Honda?

P1889 indicates a problem in the CVT Speed Sensor 2 Circuit, which monitors the rotational speed of the continuously variable transmission (CVT).

2. What are the common symptoms of P1889 in a Honda?

Symptoms may include the check engine light illuminating, erratic shifting, reduced fuel efficiency, or the vehicle entering "limp mode."

3. What causes the P1889 code to appear in a Honda?

Common causes include a faulty CVT Speed Sensor 2, damaged wiring or connectors in the speed sensor circuit, or an issue with the transmission control module (TCM).

4. How is P1889 diagnosed on a Honda?

A mechanic will use a scan tool to verify the code, inspect the speed sensor wiring and connectors, and test the sensor and circuit for proper operation.

5. Can I drive with the P1889 code on my Honda?

Driving with this code is not recommended as it can lead to transmission performance issues and potential long-term damage.

6. How do I fix the P1889 code on a Honda?

Repairs may include replacing the CVT Speed Sensor 2, repairing or replacing damaged wiring, or reprogramming the TCM if necessary.

7. How much does it cost to fix the P1889 code on a Honda?

The cost depends on the specific issue, but replacing a CVT speed sensor typically ranges from $150 to $300, including parts and labor.

8. Can a faulty CVT Speed Sensor 2 cause transmission failure?

While a faulty sensor won't directly cause transmission failure, it can lead to improper operation, which may contribute to long-term damage if not addressed.

9. Can I clear the P1889 code without fixing the problem?

Clearing the code without addressing the root cause will only result in the code returning, as the underlying issue remains unresolved.

10. Is the P1889 code specific to Honda vehicles?

While P1889 can appear on other vehicles, the "CVT Speed Sensor 2 Circuit" issue is specific to Honda models equipped with CVT transmissions.

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