OBD-II code · manufacturer-specific
P1504
TCSPL Solenoid Circuit Malfunction
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1504 mean?
P1504 is defined as “TCSPL Solenoid Circuit Malfunction”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Kia: Cruise Control Cancel Switch Fault
- Citroen, Diğer, Peugeot: Idle Air Control Circuit Malfunction
- BMW: Idle Speed Control Valve Closing Solenoid Control Open Circuit
- Ford, Lincoln, Mercury: Intake Air Control Circuit Malfunction
- Volkswagen: Intake Air System Bypass Leak Detected
- Buick, Cadillac, Chevrolet, Chrysler, GM, GMC, Oldsmobile, Saturn: Vehicle Speed Output Circuit
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This page is general information; an exact diagnosis needs measurements and a technician’s check.