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Symptom:
FUEL SENSOR 1 OPEN - BCM
When Monitored and Set Condition:
FUEL SENSOR 1 OPEN - BCM
When Monitored: When the BCM is powered up.
Set Condition: This DTC will set when the BCM detects the Fuel Level Sensor 1 circuit
resistance is greater than 1120 ohms for 10 seconds.
FUEL LEVEL SENSOR GROUND CIRCUIT OPEN
FUEL LEVEL SENSOR
BODY CONTROL MODULE
FUEL LEVEL SENSE 1 CIRCUIT OPEN
TEST
1
Turn the ignition off.
Disconnect the Fuel Pump Module harness connector.
Measure the resistance of the sensor ground circuit.
Is the resistance above 5.0 ohms?
Yes → Repair the Fuel Level Sensor Ground circuit for an open.
→ Go To 2
No
2
Turn the ignition off.
Disconnect the Fuel Pump Module harness connector.
Connect a jumper wire between the Fuel Level Sense 1 circuit and ground.
Turn the ignition on, with the DRBIII , read DTCs.
Does the DRBIII display Fuel Sensor 1 Short ?
Yes → Replace the Fuel Level Sensor in accordance with the Service
→ Go To 3
No
3
Turn the ignition off.
Disconnect the Fuel Pump Module harness connector.
Disconnect the BCM harness connector.
Measure the resistance of the Fuel Level Sense 1 circuit.
Is the resistance above 5.0 ohms?
Yes → Repair the Fuel Level Sense 1 circuit for an open.
→ Replace and program the BCM in accordance with the Service
No
POSSIBLE CAUSES
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Information
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Information.
Perform BODY VERIFICATION TEST - VER 1.
INSTRUMENT CLUSTER
629
APPLICABILITY
All
All
All
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