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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning >> Air Conditioning System >> DTC B1499/99 Multiplex Communication Circuit >> Description

DTC B1499/99 Multiplex Communication Circuit: Description

The air conditioning amplifier communicates data with the ECM and combination meter through the CAN communication system.

DTC DETECTION CONDITION TROUBLE AREA

DTC Code DTC Detection Condition Trouble Area
B1499/99 Open in multiplex communication line
  • Air conditioning amplifier
  • ECM
  • Combination meter
  • CAN communication line
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