2100-Fuel Level Sensor Signal Line Interrupted: Notes
For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS article.
The Fuel Level Sensor is hard wired to the Instrument Cluster (CCN). The Instrument Cluster provides Fuel Level Sensor input to the ECM over the CAN Bus.
- When Monitored:
With the ignition on.
- Set Condition:
The CAN Bus message from the Instrument Cluster indicates Fuel Level Sensor voltage is below 0.078 volt for 5.0 seconds
| Possible Causes |
|---|
| INTERMITTENT DTC |
| FUEL LEVEL SENSOR NO. 1 SIGNAL CIRCUIT SHORTED TO GROUND |
| FUEL LEVEL SENSOR NO. 1 SIGNAL CIRCUIT SHORTED TO GROUND |
| FUEL LEVEL SENSOR NO. 1 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| FUEL PUMP |
| INSTRUMENT CLUSTER (CCN) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.