AutoCodes – Generic – P1873

P1873 Code - Problem in CVT Pulley Pressure Control Valve Assembly Circuit

Quick Answer

P1873 indicates Problem in CVT Pulley Pressure Control Valve Assembly Circuit. Common causes include Faulty CVT Pulley Pressure Control Valve, CVT Pulley Pressure Control Valve harness is open or shorted, CVT Pulley Pressure Control Valve 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 indicates Problem in CVT Pulley Pressure Control Valve Assembly Circuit.
Common causes: Common causes include Faulty CVT Pulley Pressure Control Valve, CVT Pulley Pressure Control Valve harness is open or shorted, CVT Pulley Pressure Control Valve 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 8,705

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
Comments
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Code P1873 Description

OBDII Code P1873 - Problem in CVT Pulley Pressure Control Valve Assembly Circuit - AutoCodes.com — P1873 Code - Problem in CVT Pulley Pressure Control Valve Assembly Circuit

What does this mean?

What are the Possible Causes of the DTC P1873?

Faulty CVT Pulley Pressure Control Valve
CVT Pulley Pressure Control Valve harness is open or shorted
CVT Pulley Pressure Control Valve circuit poor electrical connection

How to Fix the DTC P1873?

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 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.

Need more information about the P1873 code?

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Need Help with the Code?

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Information for Specific Makes

P1873 Buick — Torque Converter Clutch Stator Temperature Switch Circuit Low
P1873 Cadillac — Torque Converter Clutch Stator Temperature Switch Circuit Low
P1873 Chevrolet — Torque Converter Clutch Stator Temperature Switch Circuit Low
P1873 GMC — Torque Converter Clutch Stator Temperature Switch Circuit Low
P1873 Honda — Problem in CVT Pulley Pressure Control Valve Assembly Circuit

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.