P0747
PowertrainTransmission Solenoidhigh severityPressure Control Solenoid A Stuck On
What P0747 Means
Pressure control solenoid A is stuck on, keeping line pressure at an incorrect level. This can cause harsh shifting and internal transmission stress.
Symptoms
- Very harsh shifts
- Transmission binding
- Overheating
Common Causes
- Stuck pressure control solenoid
- Contaminated transmission fluid
- Damaged wiring or short
- Faulty transmission control module
Diagnostic Steps
- Scan for transmission trouble codes
- Check fluid level and condition
- Inspect solenoid circuit for shorts
- Test solenoid operation and line pressure
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
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SHOP FAVORITEShop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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