AutoCodes – Buick – P1873 Buick

P1873 Buick Code - Torque Converter Clutch Stator Temperature Switch Circuit Low

Quick Answer

P1873 Buick indicates Torque Converter Clutch Stator Temperature Switch Circuit Low. Common causes include Faulty Torque Converter Clutch (TCC) Stator Temperature Switch, Torque Converter Clutch (TCC) Stator Temperature Switch harness is open or shorted, Torque Converter Clutch (TCC) Stator Temperature Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1873 Buick indicates Torque Converter Clutch Stator Temperature Switch Circuit Low.
Common causes: Common causes include Faulty Torque Converter Clutch (TCC) Stator Temperature Switch, Torque Converter Clutch (TCC) Stator Temperature Switch harness is open or shorted, Torque Converter Clutch (TCC) Stator Temperature Switch circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 2,978

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
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Code P1873 Buick Description

OBDII Code P1873 Buick - Torque Converter Clutch Stator Temperature Switch Circuit Low - AutoCodes.com — P1873 Buick Code - Torque Converter Clutch Stator Temperature Switch Circuit Low

What does this mean?

What are the Possible Causes of the DTC P1873 Buick?

Faulty Torque Converter Clutch (TCC) Stator Temperature Switch
Torque Converter Clutch (TCC) Stator Temperature Switch harness is open or shorted
Torque Converter Clutch (TCC) Stator Temperature Switch circuit poor electrical connection

How to Fix the DTC P1873 Buick?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1873 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.