P157300 on Seat: Left Electro-Hydraulic Engine Mount Solenoid Valve: Open Circuit
Diagnostic trouble code P157300 on Seat vehicles — what it means, the common
causes, and how to confirm the real fault before replacing parts.
What does P157300 mean?
P157300 indicates: Left Electro-Hydraulic Engine Mount Solenoid Valve: Open Circuit.
This relates to the Engine mechanical / mounts / Left electro-hydraulic engine mount solenoid valve system.
Common causes of P157300
Open/broken wire to left mount solenoid
Disconnected connector
Failed solenoid coil
What to check (live data)
Left engine mount solenoid commanded state
Solenoid circuit continuity
Supply voltage at mount connector (V)
Parts often involved in P157300
left electro-hydraulic engine mount
engine mount solenoid wiring repair
Don't replace parts until the root cause is confirmed — many of these codes are caused by wiring, a connector or an upstream fault, not the part itself.
Get the confirmed root cause for P157300 — on YOUR vehicle
A code is a symptom, not a diagnosis. AutoDX Pro cross-checks several
independent assessments, pinpoints the actual root cause, gives you the
exact tests to confirm it, and shows the parts — only after the cause is
confirmed. Reads your scan-tool photo and decodes your VIN with open
recalls.
P157300 is a diagnostic trouble code: Left Electro-Hydraulic Engine Mount Solenoid Valve: Open Circuit.
What are the common causes of P157300 on a Seat?
Common causes include: Open/broken wire to left mount solenoid, Disconnected connector, Failed solenoid coil. The exact cause depends on the vehicle — confirm it before replacing parts.
Can I keep driving a Seat with P157300?
It depends on the fault and your symptoms. Some causes are minor, others can damage components or affect safety. Get the root cause confirmed before deciding.
How do I fix P157300 on a Seat?
Confirm the actual root cause with targeted tests first, then replace only the part that's at fault. AutoDX Pro gives you the root cause, the exact tests, and the parts for P157300 on your specific Seat.