Engine-Codes - Lexus - B1477 Lexus

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

- Code Popularity: 840 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC B1477 Lexus?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty A/C Inverter (w/Converter Inverter Assembly)
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How to Fix the DTC 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B1477 Lexus code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the B1477 Lexus Code Mean?

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 Code - A/C Inverter Low Voltage Power Resource System Malfunction

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