Cruze

DTC P2458

This diagnostic trouble code (DTC) indicates that the engine control module (ECM) has determined that the Diesel Particulate Filter (DPF) Regeneration Time exceeds a calibrated threshold.

The DTC runs during the DPF regeneration process.

The ECM determines that the DPF regeneration process time exceeds a calibrated amount.

DTC P2458 59 is a Type C DTC.

DTC P2458 59 is a Type C DTC.

Schematic Reference

Engine Controls Schematics

Connector End View Reference

Component Connector End Views

Electrical Information Reference

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References for scan tool information

1. Ignition ON, observe the DTC information with a scan tool. Verify that no other DTCs are set.

⇒	If any other DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle for further diagnosis.

2. Ignition OFF, inspect the hose/pipes to the B154 Diesel Particulate Filter Exhaust Differential Pressure Sensor for leaks, or restrictions.

⇒	If a condition is found, repair as necessary.

3. Inspect the hose/pipes of the intake air system for leaks, or restrictions.

⇒	If a condition is found, repair as necessary.

4. Inspect the hose/pipes of the exhaust system for leaks, or restrictions.

⇒	If a condition is found, repair as necessary.

5. Perform the DPF Service Regeneration. Refer to Exhaust Particulate Filter Cleaning .
6. Verify the DTC does not reset.

⇒	If the DTC resets, replace the DPF filter.