P1473 OBD Code Definition:
P1473 Diagnostic Module Tank leakage (DM-TL) Pump Current Plausibility
P1473 OBD Code Description:

Possible Symptoms

• Malfunction Indicator Lamp (MIL) active

Possible Causes

• Leak Detection Pump faulty
• Wiring/Connector(s) from/to Leak Detection Pump faulty
• EVAP Canister System leaking

Possible Solutions

• Check Leak Detection Pump
• Check Wiring/Connector(s) from/to Leak Detection Pump
• Check EVAP Canister System for proper Seal