A/C Inverter Start-Up Signal System Malfunction
Table of contents
B1473 LEXUS Possible Causes
- Faulty A/C Inverter (w/Converter Inverter Assembly)
- A/C Inverter (w/Converter Inverter Assembly) harness is open or shorted
- A/C Inverter (w/Converter Inverter Assembly) circuit poor electrical connection
- Faulty Hybrid Control ECU
How do I fix code B1473 LEXUS?
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 connector’s pins.
Cost of diagnosing the B1473 LEXUS code
The cost of diagnosing the B1473 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.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1473 LEXUS Description
The inverter activation signal is sent to the A/C Inverter Assembly from the Hybrid Control ECU. The compressor control is stopped and the Diagnostic Trouble Code (DTC) is output if there is an open or short in the signal circuit. The OBDII code set when am open or short in A/C inverter start–up signal system.