Honda DTC P1791 – Automatic Transaxle Concerns
DTC P1791 meaning on Honda
DTC P1791 on a Honda refers to a fault with the automatic transaxle concerns. It indicates a problem with the transmission system that needs to be addressed.
Honda DTC P1791 symptoms
- Harsh shifting
- Transmission slipping
- Transmission not engaging properly
- Check Engine Light illuminated
Honda DTC P1791 causes
- Low transmission fluid level
- Dirty or contaminated transmission fluid
- Malfunctioning transmission solenoid
- Faulty transmission control module
Honda DTC P1791 seriousness
The seriousness of DTC P1791 on a Honda depends on the underlying cause. Ignoring this issue can lead to further damage to the transmission system and potentially result in costly repairs.
How to diagnose DTC P1791 on Honda
- Use a diagnostic scanner to retrieve the trouble codes
- Inspect the transmission fluid level and condition
- Check for any visible leaks in the transmission system
- Test the transmission solenoids and sensors
How to fix DTC P1791 on Honda
- Top up or replace the transmission fluid if low or dirty
- Repair any leaks in the transmission system
- Replace faulty transmission solenoids or sensors
- If necessary, reprogram or replace the transmission control module
How to erase DTC P1791 on Honda
- After fixing the underlying issue, use a diagnostic scanner to clear the trouble codes
- Ensure the repair has been successful by test driving the vehicle
- If the issue persists, further diagnosis may be required
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.