AutoCodes – Generic – P273B

P273B Code - Transmission Friction Element 'H' Apply Time Range/Performance

Quick Answer

The Power Steering Control Module (PSCM) will monitor the amount of force needed to assist with vehicle steering when the ignition is ON and the voltage supply to the PSCM is above 6 volts, all other Electric Power-Assisted Steering (EPAS) sensors are functioning correctly and the EPAS gear is providing assist. Common causes include Low tire air pressure, Damaged steering gear bellows boot, Contaminated gear/rack. 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: P273B indicates Transmission Friction Element 'H' Apply Time Range/Performance.
Common causes: Common causes include Low tire air pressure, Damaged steering gear bellows boot, Contaminated gear/rack.
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 2,863

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 Jan 30, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P273B Description

OBDII Code P273B - Transmission Friction Element 'H' Apply Time Range/Performance - AutoCodes.com — P273B Code - Transmission Friction Element 'H' Apply Time Range/Performance

What does this mean?

What are the Possible Causes of the DTC P273B?

Low tire air pressure
Damaged steering gear bellows boot
Contaminated gear/rack
Inner tie rods
Steering gear internal failure

How to Fix the DTC P273B?

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 P273B 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.