Operation CHARM: Car repair manuals for everyone.

Fuel Level Sending Unit Input Open

Test 1 - 2:




Test 3 - 7:






SYMPTOM
FUEL LEVEL SENDING UNIT INPUT OPEN

WHEN MONITORED
With the ignition on.

SET CONDITION
Fuel Level Input to the BCM is greater than 9.8 volts for greater than 62.5 milliseconds.

POSSIBLE CAUSES
- Intermittent condition
- Fuel level sensor signal circuit shorted to B(+)
- Ground circuit open
- Fuel level sending unit
- Fuel level sensor signal circuit open
- BCM