DTC P003A - LBY
Diagnostic Instructions
DTC Descriptor
DTC P003A 00 Turbocharger Boost System
Performance
Circuit/System Description
The ECM varies the boost dependant upon the load requirements of
the engine.
Conditions for Running the DTC
| • |
The battery voltage is equal to or greater than
11 V. |
| • |
The engine speed is between 750-850 RPM. |
| • |
The engine coolant temperature (ECT) is between
73–96°C (163–205°F). |
| • |
DTCs P003A runs once per key cycle when the above
conditions are met. |
Conditions for Setting the DTC
| • |
The engine control module (ECM) determines that
the difference between the desired boost pressure actuator and the
actual boost pressure actuator exceed a calibrated threshold. |
| • |
The above condition is met. |
Action Taken When the DTC Sets
DTC P003A is a Type C DTC.
Conditions for Clearing the DTC
DTC P003A is a Type C DTC.
Reference Information
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
Circuit/System Verification
- A mechanical fault can cause the DTC
- Check the following components for proper
working:
| • |
Boost Pressure Actuator LPT |
| • |
Boost Pressure Actuator HPT |
- Verify the DTC does not reset.
| ⇒ |
If the DTC resets, replace the K20 Engine
Control Module. |
Repair Instructions
Perform the
Diagnostic Repair Verification after completing the diagnostic
procedure.
Control Module References for engine control module
replacement, setup, and programming
|
