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DTC P2265

DTC P2265

Diagnostic Instructions


• Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

• Review Strategy Based Diagnosis for an overview of the diagnostic approach.

• Diagnostic Procedure Instructions provides an overview of each diagnostic category.


DTC Descriptor

DTC P2265

Water in Fuel Sensor Circuit Malfunction

Circuit/System Description

The water in fuel sensor is located in the bottom of the fuel filter housing. The engine control module (ECM) monitors the water in fuel sensor signal circuit for a predetermined voltage.

Conditions for Running the DTC


• The ignition is ON.

• The DTC runs continuously once the above condition is met.


Conditions for Setting the DTC

The ECM detects an incorrect water in fuel sensor signal for more than 0.7 s.

Action Taken When the DTC Sets

DTC P2265 is a Type C DTC.

Conditions for Clearing the DTC

DTC P2265 is a Type C DTC.

Reference Information

Schematic Reference

Engine Controls Schematics

Connector End View Reference

Component Connector End Views

Electrical Information Reference


• Circuit Testing

• Connector Repairs

• Testing for Intermittent Conditions and Poor Connections

• Wiring Repairs


DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification


1. With the engine running, check the DTC Info with a scan tool. The DTC P2265 should not be set.

2. 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


1. Ignition OFF, disconnect the harness connector at the B116 Water in Fuel Sensor.

2. Test for less than 5 Ω of resistance between the ground circuit terminal 3 and ground.

3. If greater than the specified range, repair the ground circuit for an open/high resistance.

4. Ignition ON, verify that a test lamp illuminates between the ignition voltage circuit terminal 1 and ground.

5. If the test lamp does not illuminate, test the ignition 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 voltage circuit and replace as necessary.

6. Verify the scan tool Water in Fuel Sensor parameter displays Inactive.

7. If the parameter displays Active, test the signal circuit for a short to ground. If the circuit tests normal, replace the K20 Engine Control Module.

8.
Note

If the fuse in the jumper wire opens, the signal circuit is shorted to a voltage and the sensor may be damaged.


Install an 1 A fused jumper wire between the signal circuit terminal 2 and ground. Verify the scan tool Water in Fuel Sensor parameter displays Active.

9. If the parameter displays Inactive, test the signal circuit for a short to voltage, or an open/high resistance. If the circuit tests normal, replace the K20 Engine Control Module.

10. If all circuits test normal, replace the B116 Water in Fuel Sensor.


Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References