Diagnostic Instructions
DTC Descriptors
DTC P2264: Water In Fuel Sensor Circuit
Circuit/System Description
The water in fuel (WIF) sensor is located in the bottom of the fuel filter housing. The engine control module (ECM) monitors the WIF sensor signal circuit for a predetermined voltage.
Conditions for Running the DTC
| • | The DTC runs continuously once the above condition is met. |
Conditions for Setting the DTC
The ECM detects an incorrect WIF signal for more than 3 seconds.
Action Taken When the DTC Sets
DTC P2264 is a Type C DTC.
Conditions for Clearing the DTC
DTC P2264 is a Type C DTC.
Reference Information
Schematic Reference
Engine Controls Schematics
Electrical Information Reference
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
- Engine running, observe the DTC information with a scan tool. DTC P2264 should not set.
- Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Circuit/System Testing
- Ignition OFF, and the MAIN fuse removed, disconnect the harness connector at the WIF sensor.
- Test for less than 5 ohms of resistance between the ground circuit terminal 2 and ground.
| ⇒ | If greater than the specified range, repair the ground circuit for an open/high resistance. |
- Install the MAIN fuse. Ignition ON, verify that a test lamp illuminates between the ignition 1 voltage circuit terminal 3 and ground.
| ⇒ | If the test lamp does not illuminate, test the ignition 1 voltage circuit for a short to ground or an open/high resistance. If the circuit tests normal and the fuse is open, test all the components connected to the ignition 1
voltage circuit and replace as necessary. |
- Verify the scan tool WIF sensor parameter displays No Water.
| ⇒ | If the parameter displays Water, test the signal circuit for a short to ground. If the circuit tests normal, replace the ECM. |
Important: If the fuse in the jumper wire opens, the signal circuit is shorted to a voltage and the sensor may be damaged.
- Install a 1A fused jumper wire between the signal circuit terminal 1 and ground. Verify the scan tool WIF sensor parameter displays Water.
| ⇒ | If the parameter displays No Water, test the signal circuit for a short to voltage, or an open/high resistance. If the circuit tests normal, replace the ECM. |
- If all circuits test normal, test or replace the WIF sensor.
Repair Instructions
Perform the
Diagnostic Repair Verification after completing the diagnostic procedure.
