P1890 – Honda DTC

Honda DTC P1890 – Automatic Transaxle Concerns

DTC P1890 meaning on Honda

DTC P1890 on a Honda refers to an Automatic Transaxle Concern. This diagnostic trouble code indicates an issue with the automatic transmission system of the vehicle.

Honda DTC P1890 symptoms

Symptoms of Honda DTC P1890 may include:

  • Harsh shifting
  • Transmission slipping
  • Transmission not engaging properly
  • Check Engine Light illuminated

Honda DTC P1890 causes

Common causes of Honda DTC P1890 include:

  • Low transmission fluid level
  • Dirty or contaminated transmission fluid
  • Malfunctioning transmission solenoid
  • Faulty transmission control module

Honda DTC P1890 seriousness

The seriousness of Honda DTC P1890 depends on the underlying cause. Ignoring this DTC can lead to further damage to the transmission system and potentially result in costly repairs.

How to diagnose DTC P1890 on Honda

To diagnose DTC P1890 on a Honda, follow these steps:

  1. Use a diagnostic scanner to retrieve the trouble codes
  2. Inspect the transmission fluid level and condition
  3. Check for any visible leaks in the transmission system
  4. Test the transmission solenoids and sensors
  5. Inspect the wiring and connectors related to the transmission system

How to fix DTC P1890 on Honda

To fix DTC P1890 on a Honda, you can try the following:

  1. Top up or replace the transmission fluid if it is low or dirty
  2. Clean or replace the transmission solenoids if faulty
  3. Repair or replace any damaged wiring or connectors
  4. Reset the transmission control module and clear the trouble codes
  5. If necessary, seek professional help for further diagnosis and repair

How to erase DTC P1890 on Honda

To erase DTC P1890 on a Honda:

  1. Use a diagnostic scanner to clear the trouble codes
  2. Ensure the underlying issue has been resolved
  3. Perform a test drive to confirm the repair

Recommended tools for Honda diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.