P1801
Transmission Clutch Interlock Safety Switch Open Circuit
Powertrain Manufacturer Specific OBD2 / EOBD
⚠️ Common Causes
- Manufacturer specific fault
- Check OEM service manual for details
🔧 Diagnostic Steps
- Connect OBD2 scanner to vehicle
- Read freeze frame data
- Check live data parameters
- Inspect related wiring and connectors
- Test affected sensors or actuators
- Clear code and perform test drive
ℹ️ Code Details
- Code: P1801
- Type: Powertrain
- System: Manufacturer Specific
- Protocol: OBD2 / EOBD / ISO 15765-4
- Severity: Consult a professional technician