Diagnostic Test

1) DTC IS ACTIVE
Ignition on, engine not running.

With the scan tool, Clear DTCs in the Instrument Cluster (CCN).

Monitor the scan tool for at least two minutes.

Cycle the ignition key off and on several times, leaving the ignition on for at least 10 seconds at a time.

Start the engine.

Allow the engine to reach normal operating temperature.

With the scan tool, select View DTCs.

Is the status Active for this DTC?

Yes
1. Go to step 2).
No
1. Refer to *CHECKING FOR AN INTERMITTENT CONDITION .
2) (N4) FUEL LEVEL SENSOR NO. 1 SIGNAL CIRCUIT SHORTED TO VOLTAGE

Fig 1: Checking Fuel Level Sensor No. 1 Signal Circuit Shorted To Voltage
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Fuel Pump harness connector.

Disconnect the Instrument Cluster (CCN) harness connector.

Turn the ignition on.

Measure the voltage of the (N4) Fuel Level Sensor No. 1 Signal circuit in the Fuel Pump harness connector.

Is there any voltage present?

Yes
1. Repair the (N4) Fuel Level Sensor No. 1 Signal circuit for a short to voltage.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Go to step 3).
3) (Z210) GROUND CIRCUIT SHORTED TO VOLTAGE

Fig 2: Checking Fuel Level Sensor Ground Circuit Shorted To Voltage
Courtesy of CHRYSLER LLC

Measure the voltage of the (Z210) Ground circuit in the Fuel Pump harness connector.

Is there any voltage present?

Yes
1. Repair the (Z210) Ground circuit for a short to voltage.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Go to step 4).
4) (N4) FUEL LEVEL SENSOR NO. 1 SIGNAL OPEN OR HIGH RESISTANCE

Fig 3: Checking Fuel Level Sensor No. 1 Signal Circuit Open Or High Resistance
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Instrument Cluster (CCN) harness connector.

Measure the resistance of the (N4) Fuel Level Sensor No. 1 Signal circuit between the Fuel Pump harness connector and the Instrument Cluster (CCN) harness connector.

Is the resistance below 10.0 ohms?

Yes
1. Go to step 5).
No
1. Repair the (N4) Fuel Level Sensor No. 1 Signal circuit for an open circuit of high resistance.
2. Perform BODY VERIFICATION TEST - VER 1 .
5) (Z210) GROUND CIRCUIT OPEN OR HIGH RESISTANCE

Fig 4: Checking Fuel Level Sensor Ground Circuit Open Or High Resistance
Courtesy of CHRYSLER LLC

Measure the resistance of the (Z210) Ground circuit between the Fuel Pump harness connector and the Instrument Cluster (CCN) harness connector.

Is the resistance below 10.0 ohms?

Yes
1. Go to step 6).
No
1. Repair the (Z210) Ground circuit for an open circuit or high resistance.
2. Perform BODY VERIFICATION TEST - VER 1 .
6) FUEL LEVEL SENSOR
Connect the Instrument Cluster (CCN) harness connector.

Connect a jumper wire between the (Z210) Ground circuit and the (N4) Fuel Level Sensor No. 1 Signal circuit in the Fuel Pump harness connector.

Turn the ignition on.

With the scan tool, Clear DTCs.

With the scan tool, select View DTCs.

NOTE: The scan tool should display a Fuel Level Sensor low voltage or short to ground DTC with the jumper wire in place.

Does the scan tool display the DTC(s) as described above?

Yes
1. Replace the Fuel Level Sensor in accordance with the Service Information.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Go to step 7).
7) INSTRUMENT CLUSTER (CCN)
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Fuel Pump and the Instrument Cluster (CCN).

Look for any chafed, pierced, pinched, or partially broken wires.

Look for broken, bent, pushed out or corroded terminals.

Monitor the scan tool data relative to this circuit and wiggle test the wiring and connectors.

Look for the data to change or for the DTC to reset during the wiggle test.

Refer to any Technical Service Bulletins that may apply.

Were any problems found?

Yes
1. Repair as necessary.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Replace the Instrument Cluster (CCN) in accordance with the Service Information.
2. Perform BODY VERIFICATION TEST - VER 1 .