Engine-Codes - Lexus - B1471 LEXUS

B1471 LEXUS - A/C Inverter High Voltage Power Resource System Malfunction

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

B1471 LEXUS Possible Causes

  • Faulty Hybrid Control ECU
  • Faulty A/C Inverter (w/Converter Inverter Assembly)

How is the B1471 LEXUS code repair?

Start by checking 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.

What is the cost to diagnose the B1471 LEXUS code

Labor: 1.0

The cost to diagnose the B1471 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)

B1471 LEXUS Meaning

The A/C Inverter Assembly monitors the power voltage from the main battery in the self circuit. It stops compressor control 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 in A/C Inverter High Voltage Power Resource System.

More Information

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