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Accelerator Pedal Position Sensor Supply Voltage Circuit
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 443 PID: S221 SPN: 1043 FMI: 4/4 LAMP: Amber SRT: |
Accelerator Pedal Position Sensor Supply Voltage Circuit – shorted low. Low voltage detected at sensor supply circuit to the accelerator pedal position sensor. |
Engine will only die. |
 Accelerator Pedal Position Sensor Supply Voltage Circuit
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Circuit Description
The ECM supplies the accelerator with +5 VDC. If the supply circuit to the accelerator is damaged, the accelerator will not work correctly.
Component Location
The accelerator pedal is located in the cab.
Shop Talk
Low voltage on the +5 volt supply line can be caused by a short circuit to ground in the supply line, a short circuit between the supply line and return circuit, a failed accelerator, or a failed ECM power supply.
Refer to Troubleshooting Fault Code t05-443
Last Modified: 01-Sep-2010
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