Engine-Codes - Toyota - B1423 TOYOTA

B1423 TOYOTA Code - Pressure Sensor Circuit

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

|B1423 TOYOTA code possible causes

  • Faulty Pressure Sensor
  • Pressure Sensor harness is open or shorted
  • Pressure Sensor circuit poor electrical connection
  • Faulty Air Conditioning Amplifier

|How is the B1423 TOYOTA 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 B1423 TOYOTA code

Labor: 1.0

The cost to diagnose the B1423 TOYOTA code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are B1423 TOYOTA code possible symptoms?

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

|What is B1423 TOYOTA code meaning?

This Diagnostic Trouble Code (DTC) is output when the refrigerant pressure is either extremely low (0.19 MPa [2.0 kgf/cm2, 28 psi] or less) or extremely high (3.14 MPa [32.0 kgf/cm2, 455 psi] or more). The air conditioning pressure sensor, which is installed on the pipe of the high-pressure side, detects the refrigerant pressure and sends refrigerant pressure signals to the air conditioning amplifier. The air conditioning amplifier determines the pressure from the signals in accordance with the sensor characteristics and controls the compressor accordingly.

|Need more information with the B1423 TOYOTA code?

Need more information on how to fix the B1423 TOYOTA code?
Get Access to Factory Service Manuals

|Need help with a B1423 TOYOTA code?

Get the B1423 Toyota code diagnosed by a professional: Find a repair shop in your area