Engine-Codes - Lexus - B1472 LEXUS

B1472 LEXUS - A/C Inverter High Voltage Output System Malfunction

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

B1472 LEXUS Possible Causes

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

How is the B1472 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 B1472 LEXUS code

Labor: 1.0

The cost to diagnose the B1472 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)

B1472 LEXUS Meaning

The high voltage is output from the A/C Inverter Assembly to the electric inverter compressor for driving the motor. Compressor control is stopped and the Diagnostic Trouble Code (DTC) is output if there is an open or short to ground in the output circuit. The output DTC is memorized as previous trouble. Compressor control remains stopped unless the past and current DTCs are cleared. The OBDII code set when an open or short in A/C inverter high voltage output system.

More Information

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