Engine-Codes - Toyota - P0873 TOYOTA

P0873 TOYOTA Code - Transmission Fluid Pressure Sensor/Switch 'C' Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P0873 TOYOTA code possible causes

  • Faulty Automatic Transmission Fluid (ATF) Temperature Sensor Assembly
  • ATF Temperature Sensor harness is open or shorted
  • ATF Temperature Sensor circuit poor electrical connection
  • Faulty Transmission Control Module (TCM)

|How is the P0873 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 P0873 TOYOTA code

Labor: 1.0

The cost to diagnose the P0873 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 P0873 TOYOTA code possible symptoms?

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

|What is P0873 TOYOTA code meaning?

The Automatic Transmission Fluid (ATF) pressure switch No. 1 is installed in the shift solenoid valve ATF output passage. This switch is used to identify the malfunctioning part when a fail-safe operation is performed. If the shift solenoid valve malfunctions when the ATF pressure switch has a malfunction, a fail-safe operation will be performed. This fail-safe operation is different from the fail-safe operation performed when the solenoid valve malfunctions, and the ATF pressure switch is normal.
The Diagnostic Trouble Code (DTC) will set if the ATF pressure switch No. 1 ON is detected twice when any of the gears from 1st to 4th engages normally.

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