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Camshaft Position Sensor Circuit
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 778 PID: S64 SPN: 723 FMI: 2/2 LAMP: Amber SRT: |
Camshaft Position Sensor Error. The ECM has detected an error in the camshaft position sensor signal. |
Engine power derate. |
 Camshaft Position Sensor Circuit
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Circuit Description
The camshaft position sensor monitors camshaft position then passes this information to the electronic control module (ECM) through the engine harness.
Component Location
The camshaft position sensor is located on the intake side of the engine in the cylinder head to the right of the ECM. Refer to Section E for a detailed component location view.
Shop Talk
This fault is logged when the ECM does not receive a valid camshaft position signal.
Causes of this fault include:
- Open or short circuit of the +5 volt supply, signal, or return wire in the engine harness
- Damaged or failed camshaft position sensor.
Refer to Troubleshooting Fault Code t05-778
Last Modified: 01-Sep-2010
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