OBD-II diagnostic trouble code
P0748Caution

Pressure Control Solenoid A Electrical

The solenoid that regulates hydraulic pressure inside the transmission has an electrical fault, which can cause harsh or inconsistent shifts.

Get an OBD-II scanner to read codes yourself →
Most searched
Most common OBD-II codes
The check engine codes drivers look up most often, explained.
Powertrain codes
P-Codes
Browse every engine and transmission diagnostic code we cover.
VIN lookup
VIN Decoder
Decode any vehicle's specs and history from its VIN.
Cost calculator
Total Cost of Ownership
See how repair costs like this one add up over years of ownership.
Code names are compiled from open/standardized SAE and ISO references. Explanations, symptoms, causes and fixes are original. Covers generic (P0/C0/B0/U0) codes only — manufacturer-specific codes are planned for a future update.

Frequently asked questions

Can I drive with P0748?

You can usually keep driving with P0748, but don't put it off — the underlying cause can get worse or lead to further damage the longer it goes unaddressed. Get it diagnosed as soon as you reasonably can.

How much does it cost to fix P0748?

The cost varies too much by cause and vehicle to give a single figure here — a diagnosis will narrow it down.

What causes P0748?

AS
Reviewed by Artyom SemenovAutomotive Editor · Fact-checked by Yauheni Kapliarchuk, Editor-in-Chief
Code names compiled from open SAE/ISO references; explanations and repair guidance are original editorial content
Last verified: 09 Jul 2026 · Our methodology