P1246 OBD Code Definition:
P1246 Generator Load Input Failed
P1246 OBD Code Description:

Possible Symptoms

• Malfunction Indicator Light (MIL) ON
• Engine misfiring/juddering/running rough
• Engine shutting down

Possible Causes

• Fuel Supply interrupted/faulty
  • Fuel Tank (temporary) empty
  • Fuel Filter blocked
  • Air in Fuel System
• Wiring and/or Connector(s) from/to Needle Lift Sensor faulty
• Needle Lift Sensor faulty
• Injection Pump faulty

Possible Solutions

• Check Fuel Supply
  • Check Fuel Level
  • Check/Replace Fuel Filter
  • Check for Air in Fuel System
• Check Wiring and/or Connector(s) from/to Needle Lift Sensor
• Check/Replace Needle Lift Sensor
• Check Injection Pump