P0745 — Pressure Control Solenoid A
Moderate severityWhat it means
P0745 is stored when the engine control unit sees a fault involving transmission pressure control solenoid A. Pressure control solenoid A regulates the hydraulic line pressure that applies the clutches and bands; a fault can cause harsh, slipping or incorrect shifts. The control unit has flagged this circuit or signal as outside its normal operating range.
Common symptoms
- Harsh or slipping shifts
- Limp mode in some cases
- Transmission warning light
Likely causes
- A wiring, connector or ground problem in the circuit
- A failed sensor or actuator in the circuit
- A stuck or failed pressure control solenoid A
- Dirty/low fluid or a wiring/connector fault
What to check first
- Inspect the connector and wiring for damage, corrosion or loose pins
- Check transmission fluid level and condition
- Inspect the solenoid connector and test its resistance
Can you keep driving?
Slipping under power can cause expensive damage; avoid extended driving until it is diagnosed.
Frequently asked questions
What is the most common cause of P0745?
The most likely cause is: A wiring, connector or ground problem in the circuit. Several other faults can set P0745 as well, so confirm the real cause with live data and the checks above before replacing any parts.
Can I just clear P0745 and keep driving?
Clearing P0745 with an OBD2 scanner turns the warning light off, but if the underlying fault has not been repaired the code will usually come back within a few drive cycles. Fix the cause first, then clear the code to confirm the repair worked.
How serious is P0745?
P0745 is a moderate-severity code. The car is often still drivable, but have it diagnosed soon — the underlying problem can get worse and it may fail an emissions test.
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All information, explanations and guidance on this page are general preliminary information only. They are estimates and may be entirely wrong, incomplete or inaccurate, or may not apply to your vehicle at all. Never take any action based on this content alone — do not decide to keep driving, clear codes, replace parts, repair or otherwise work on your vehicle based only on what you read here. In every case, and for any final decision, you must consult qualified technical personnel (a professional mechanic, an authorized service centre or an engineer) and obtain their approval before acting. MechanicAI accepts no liability or responsibility whatsoever for any damage, fault, injury, loss or outcome that may arise — directly or indirectly — from using or relying on this information, for any reason and under any circumstances. By using this page you acknowledge and accept these terms.