Engine-CodesHonda – P1890 Honda

P1890 Honda Code - Shift Control System

Quick Answer

The P1890 Honda code refers to a shift control system malfunction in the vehicle. Common causes include Faulty shift solenoids, Damaged wiring or connectors in the shift control system, Low transmission fluid levels. 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
P1890 Honda indicates Shift Control System.
Common causes
Common causes include Faulty shift solenoids, Damaged wiring or connectors in the shift control system, Low transmission fluid levels.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1890 Honda Description

The P1890 Honda code refers to a shift control system malfunction in the vehicle. This code is specifically related to the transmission system and indicates that there is an issue with the shift control mechanism. The shift control system is responsible for managing the shifting of gears in the transmission, ensuring smooth and accurate transitions between gears while driving. When this system malfunctions, it can lead to various performance issues and potentially cause long-term damage if not addressed promptly.

OBDII Code P1890 Honda - Shift Control System
P1890 Honda Code - Shift Control System

Common Causes of P1890 Honda

  1. Faulty shift solenoids
  2. Damaged wiring or connectors in the shift control system
  3. Low transmission fluid levels
  4. Malfunctioning transmission control module (TCM)
  5. Mechanical issues within the transmission system

Symptoms of P1890 Honda

  1. Erratic shifting patterns
  2. Difficulty in shifting gears
  3. Delayed engagement when shifting
  4. Harsh shifting
  5. Transmission slipping

How to Fix P1890 Honda

  1. Diagnose the issue by retrieving the specific trouble codes and conducting a thorough inspection of the shift control system.
  2. Check the transmission fluid level and condition, topping up or replacing fluid as necessary.
  3. Inspect the shift solenoids, wiring, and connectors for any signs of damage or wear, replacing components as needed.
  4. Test the transmission control module (TCM) for proper function and reprogram or replace it if necessary.
  5. Perform a road test to ensure that the shifting issues have been resolved, and the vehicle is operating smoothly.

Cost to Fix P1890 Honda

The cost of repairing a shift control system issue can vary depending on the specific cause of the problem and the extent of the repairs needed. On average, the parts for this repair can range from $200 to $600, while labor costs can add an additional $200 to $400. Overall, the total repair cost for addressing a P1890 Honda code typically falls between $400 and $1000. It's important to note that these are rough estimates, and actual costs may vary based on factors such as the location of the repair shop, the vehicle's make and model, and the type of transmission system. As labor rates can also vary, it's advisable to obtain quotes from multiple repair shops to ensure a competitive price.

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Information for Specific Honda Models

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.

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