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P0748 — Pressure Control Solenoid A Electrical

High Severity  ·  Transmission

OBD-II code P0748 means your vehicle's ECU detected: Pressure Control Solenoid A Electrical. Below: causes, step-by-step fixes, and repair cost — free, no signup needed.

High severity — do not ignore. Get a diagnosis promptly to avoid further engine damage.
Typical Repair Cost
$100–$500
Parts + labor, national average
Severity
High
Address as soon as possible
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Common Causes of P0748

  • Failed pressure solenoid
  • Wiring
  • Low ATF
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How to Fix Code P0748

1
Check ATF
2
Test solenoid
3
Replace pressure control solenoid

FAQ — Code P0748

What does OBD-II code P0748 mean?
P0748 means your vehicle's onboard computer detected: Pressure Control Solenoid A Electrical. This is a high-severity code in the Transmission category.
How much does it cost to fix code P0748?
Typical repair cost for P0748 is $100–$500 including parts and labor. Costs vary by vehicle make, model, and location. A free scan at AutoZone or O'Reilly is a good first step.
Can I drive my car with code P0748?
Code P0748 is high severity. Avoid long drives until diagnosed — continued driving can cause additional engine damage.
What are the most common causes of P0748?
The most common causes are: Failed pressure solenoid, Wiring, Low ATF. Always start with the cheapest diagnosis step before replacing parts.
Will code P0748 clear itself?
Code P0748 will clear itself after the underlying issue is fixed and the ECU completes several successful drive cycles. Clearing it without fixing the root cause only masks the problem temporarily.

Is P0748 showing on your car?

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OBD-II code data is based on SAE J2012 standards and general repair industry data. Repair costs are national averages and vary by vehicle, location, and shop. Always consult a qualified mechanic for a diagnosis specific to your vehicle.