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Turbocharger 1 Wastegate Control — Mechanical System Not Responding Properly or Out of Adjustment
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 545 PID: S032 SPN: 1188 FMI: 7 LAMP: Amber SRT: |
Turbocharger 1 Wastegate Control — Mechanical System Not Responding Properly or Out of Adjustment. Intake manifold pressure has exceeded the maximum limit for the given engine rating. |
Engine power derate. |
 Circuit: Intake Manifold Pressure/Temperature Sensor Circuit
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Circuit Description
The intake manifold pressure sensor is used by the ECM to monitor the engine intake manifold pressure.
Component Location
100-002 (Engine Diagrams) in Section E for a detailed component location view.
Shop Talk
This fault code become active when the intake manifold pressure exceeds the maximum pressure limit for a given engine rating.
Possible causes:
- Malfunctioning turbocharger wastegate
- Wastegate tampering
- Wrong turbocharger part
- Possible tampering of the fuel system or turbocharger system.
On-Board Diagnostics (OBD) Information:
- The ECM illuminates the malfunction indicator lamp (MIL) when the diagnostic runs and fails.
- The ECM turns OFF the malfunction indicator lamp (MIL) after 3 consecutive ignition cycles that the diagnostic runs and does not fail. The MIL lamp and fault code can also be cleared using the INSITE™ service tool.
- The fault code will be cleared from memory after 40 consecutive drive cycles where the diagnostic runs and passes.
Refer to Troubleshooting Fault Code t05-545
Last Modified: 08-Jul-2010
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