P1681
Test 1 - 3:
Test 4:
SYMPTOM
P1681-NO FUEL LEVEL BUS MESSAGE
WHEN MONITORED
Ignition on.
SET CONDITION
No fuel level BUS messages received by the PCM for 20 seconds.
POSSIBLE CAUSES
- DTC Reset
- Communicate With Cluster
- Fuel Level Bus Message
- PCI Bus Circuit Open From PCM To Instrument Cluster
- Instrument Cluster