P0749
Pressure Control Solenoid A Intermittent
What it means
P0749 means Pressure Control Solenoid A Intermittent.
Where it lives
For P0749, the description names the solenoid as the part involved.
Check these first
- A pressure control solenoid A with an intermittent internal fault
- A chafed solenoid wire that shorts only under vibration
- Corrosion in the solenoid A connector
- Dirty transmission fluid clogging the solenoid valve
- A failing TCM driver for solenoid A
What to do next
- Read pressure control solenoid A live data while the fault is active
- Wiggle the solenoid A harness to provoke the intermittent fault
- Inspect the solenoid A connector for corrosion
- Check transmission fluid level and condition
- Replace pressure control solenoid A if the fault is internal
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.