| P1448 | EVAP Canister Vent Control Valve (Open) (Nissan, Infiniti) |
| P1449 | Diagnostic Module Tank Leakage (DM-TL) Pump Too High (BMW) |
| P1450 | Diagnostic Module Tank Leakage (DM-TL) Switching Solenoid Open Circuit (BMW) |
| P1450 | Unable To Bleed Up Fuel Tank Vacuum (Ford) |
| P1451 | Diagnostic Module Tank Leakage (DM-TL) Switching Solenoid Control Circuit Signal Low (BMW) |
| P1451 | EVAP Control System Canister Vent Solenoid Circuit Malfunction (Ford) |
| P1452 | Diagnostic Module Tank Leakage (DM-TL) Switching Solenoid Control Circuit Signal High (BMW) |
| P1453 | Secondary Air Injection Pump Relay Control Circuit Electrical (BMW) |
| P1454 | Secondary Air Injection Pump With Series Resistor Control Circuit Electrical (BMW) |
| P1456 | Leak Detected In EVAP Control System (Acura, Honda) |
| P1456 | Heated Catalyst Heater Power Supply Open Circuit (Bank 1) (BMW) |
| P1457 | Leak Detected In EVAP Control System (Acura, Honda) |
| P1457 | Heated Catalyst Heater Power Switch Temperature Sensor Electrical (Bank 1) (BMW) |
| P1459 | Heated Catalyst Heater Power Supply Open Circuit (Bank 2) (BMW) |
