P09A1
Generic code
Free on OBD DashX
Want real-world data on P09A1?
See which problems come with P09A1, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
What P09A1 means
- Shift Solenoid H Control Circuit/Open
Possible symptoms
- Check the wiring and connections related to the shift solenoid H control circuit
- Test the shift solenoid H to determine if it is functioning properly
- Inspect and replace any damaged or faulty shift solenoid H components, such as the solenoid itself or its control module
- Verify and repair any issues with the transmission control module that may be causing the circuit to be open
- If all else fails, consider replacing the entire transmission assembly.
Possible causes
- Faulty shift solenoid H
- Defective transmission control module (TCM)
- Loose or damaged electrical connections
- Low transmission fluid level or dirty transmission fluid
- Malfunctioning transmission
Possible solutions
- Delayed or harsh shifting of gears
- Gear slipping or jumping
- Stuck in a particular gear
- Erratic or inconsistent shifting
- Loss of power or acceleration
Free on OBD DashX
P09A1 on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P09A1 No sign-up needed · available in 10 languagesScan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.