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Home >> Lexus >> 2010 >> LS 600hL >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Air Suspension (Diagnostic Codes & Circuit Tests) >> Air Suspension System >> DTC C1789: Vehicle Identification Malfunction >> Inspection Procedure

Inspection Procedure

NOTE:
  • Before performing troubleshooting, inspect the connectors of related circuits.
  • If DTC C1782 is output at the same time, perform troubleshooting for DTC C1782 first. Refer to DTC C1782: Power Source Voltage Malfunction .
  • If the suspension control ECU is replaced with a new one, enter test mode and perform registration of vehicle identification information. Refer to INITIALIZATION .
  • Do not exchange the suspension control ECU with a normally functioning one from another vehicle to perform troubleshooting.
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