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Turbocharger Actuator Motor – Mechanical System Not Responding Properly
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 2387 PID: S146 SPN: 2975 FMI: 7/7 LAMP: Amber SRT: |
Turbocharger actuator motor – the mechanical system is not responding properly or is out of adjustment. Turbocharger actuator is not responding or is slow to respond. |
Possible low power. Power will be removed from the turbocharger actuator motor. |
 Turbocharger Actuator Motor Circuit
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Circuit Description
The electronic control module (ECM) controls the turbocharger actuator motor, which changes the airflow of the turbocharger based on various engine operating conditions. The sliding nozzle in the turbocharger is operated by the turbocharger actuator motor. The actuator is a DC motor that receives voltage from the ECM.
Component Location
The turbocharger actuator motor is part of the turbocharger actuator assembly, which is located on the exhaust side of the engine and is mounted to the bearing housing of the turbocharger.Refer to Procedure 100-002 in Section E for a detailed component location view.
Shop Talk
Possible causes of this fault include:
- Failed turbocharger position sensor, and mechanical or electrical failure
- Turbocharger actuator motor assembly failure requiring a high current to operate the turbocharger, such as a stuck or sticking turbocharger.
Refer to Troubleshooting Fault Code t05-2387
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