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Indicator Lamp Circuit Error
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 244 PID: S238 SPN: 623 FMI: 4 LAMP: Yellow SRT: |
Error detected on one or more of the lamp circuits. Error could be an open circuit or a short circuit to the battery or ground on any lamp except warning lamp. |
Lamp will not come on during the key-on bulb test if an open circuit or short to battery exists. Lamp will stay on if shorted to ground. |
 Indicator Lamp Circuit Error
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Circuit Description
The electronic control module (ECM) performs warning tests on most of its circuits and will activate a fault code if a problem is detected in one of its circuits. Certain fault codes will cause a lamp to activate to signal the driver.
Component Location
The indicator lamp is typically located in the truck cab on the dashboard panel.
Shop Talk
This fault typically indicates a short circuit to battery voltage. This fault can not be flashed out on the warning lamp. It can be read using INSITE™ or flashing the warning code on the yellow lamps. This fault code can be an error on any lamp (wait-to-start, stop, and maintenance lamps) except the warning lamp.
Refer to Troubleshooting Fault Code t05-244
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