C1783 LEXUS - Door Courtesy Switch Circuit
C1783 LEXUS Possible Causes
- Faulty Door Courtesy Switch
- Door Courtesy Switch harness is open or shorted
- Door Courtesy Switch circuit poor electrical connection
- Faulty Suspension Control ECU
First diagnose C1783 LEXUS code
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Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
Cost of diagnosing the C1783 LEXUS code
Labor: 1.0
The cost of diagnosing the C1783 LEXUS code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.C1783 LEXUS Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C1783 Lexus Description
The door courtesy switch comes on when the door is opened and goes off when the door is closed. Therefore, battery positive voltage is applied to a terminal of the Suspension Control ECU when all the doors are closed and 0 V is applied when even one door is opened.
C1783 LEXUS More Information
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