P0742 on Volkswagen: Torque Converter Clutch Circuit Stuck On
Diagnostic trouble code P0742 on Volkswagen vehicles — what it means, the common
causes, and how to confirm the real fault before replacing parts.
What does P0742 mean?
P0742 indicates: Torque Converter Clutch Circuit Stuck On.
This relates to the Transmission system.
Common causes of P0742
Solenoid valve N91 faulty or cannot be activated, preventing proper control of lock-up torque converter ATF pressure
Parts often involved in P0742
Solenoid valve 4 - N91
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 P0742 — 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.
P0742 is a diagnostic trouble code: Torque Converter Clutch Circuit Stuck On.
What are the common causes of P0742 on a Volkswagen?
Common causes include: Solenoid valve N91 faulty or cannot be activated, preventing proper control of lock-up torque converter ATF pressure. The exact cause depends on the vehicle — confirm it before replacing parts.
Can I keep driving a Volkswagen with P0742?
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 P0742 on a Volkswagen?
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 P0742 on your specific Volkswagen.