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On Board Diagnostic (OBD), function

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The headlight range control module is controlled by a microprocessor and has On Board Diagnostic (OBD) capability. If malfunctions occur in any of the system components, corresponding DTCs are stored in the Diagnostic Trouble Code (DTC) memory.

Before performing any troubleshooting or inspection, always begin by checking for DTCs using the On Board Diagnostic (OBD) program. DTCs stored in memory are retrieved/checked with VAS 5051/5052 tester in mode "Guided Fault Finding".

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