Engine-Codes - Lexus - B1477 LEXUS

B1477 LEXUS - A/C Inverter Low Voltage Power Resource System Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B1477 LEXUS Possible Causes

  • Faulty A/C Inverter (w/Converter Inverter Assembly)

How do I fix code B1477 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 B1477 LEXUS code

Labor: 1.0

The cost of diagnosing the B1477 LEXUS code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1477 LEXUS Meaning

The A/C Inverter Assembly monitors the controlling power voltage in the self circuit. It stops the compressor circuit and outputs the Diagnostic Trouble Code (DTC) when the monitored voltage is outside the specified range. The output DTC is memorized as previous trouble. The compressor control may not resume unless the power switch is turned off. The OBDII code set when an open or short to ground in the inverters controlling power voltage circuit.

B1477 LEXUS More Information

Need more information on how to fix the B1477 LEXUS code?
Get Access to Factory Service Manuals

Need more help?

Get the B1477 Lexus code diagnosed by a professional: Find a repair shop in your area