This guide provides step-by-step instructions to resolve the APS 00001C error related to the Scania truck alarm system, indicating an internal fault in the control unit.
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Error Description
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Error Code: APS 00001C
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Cause: A self-test has returned an undesired result due to an internal fault in the alarm system control unit.
Symptoms
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CAN communication and pressure regulation are non-functional.
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The system may attempt automatic internal resets.
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Solenoid valves may produce a repeated clicking or pulsing sound.
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The safety valve remains active while the engine is running.
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A yellow warning lamp illuminates on the dashboard.
Recommended Solution
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Clear the Fault Code using your diagnostic tool.
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Turn off the power using the ignition/starter key.
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Wait for 60 seconds to allow the system to reset.
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Restart the system by switching the ignition key back on.
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Recheck the fault code:
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If the fault has cleared, no further action is required.
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If the fault persists, replace the control unit with a new one.
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Following these steps should resolve the APS 00001C error. If the issue remains unresolved after replacing the control unit, further diagnostic checks may be necessary to rule out wiring or sensor faults.
For more information about Scania truck,please refer to:Scania Trouble Repair.
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