AutoCodes – Generic – P1573

P1573 Code - Throttle Position Not Available

Quick Answer

The Powertrain Control Module (PCM) tests the electronic throttle for the ability of the throttle plate to return to the default (limp home) position from both the open and closed positions. Common causes include Faulty Throttle Position Sensor, Throttle Position Sensor harness is open or shorted, Throttle Position Sensor 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: P1573 indicates Throttle Position Not Available.
Common causes: Common causes include Faulty Throttle Position Sensor, Throttle Position Sensor harness is open or shorted, Throttle Position Sensor 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 20,732

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 30, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1573 Description

The Powertrain Control Module (PCM) tests the electronic throttle for the ability of the throttle plate to return to the default (limp home) position from both the open and closed positions.

OBDII Code P1573 - Throttle Position Not Available - AutoCodes.com — P1573 Code - Throttle Position Not Available

What does this mean?

What are the Possible Causes of the DTC P1573?

Faulty Throttle Position Sensor
Throttle Position Sensor harness is open or shorted
Throttle Position Sensor circuit poor electrical connection

How to Fix the DTC P1573?

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 P1573 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 P1573 code?

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Information for Specific Makes

P1573 Audi — Left Engine Mount Solenoid Valve Open Circuit
P1573 Buick — TCS Loss Of ABS/TCS Serial Data
P1573 Cadillac — TCS Loss Of ABS/TCS Serial Data
P1573 Chevrolet — TCS Loss Of ABS/TCS Serial Data
P1573 Chrysler — Brake Switch Stuck Off
P1573 Dodge — Brake Switch Stuck Off
P1573 Ford — Throttle Position Not Available
P1573 GMC — TCS Loss Of ABS/TCS Serial Data
P1573 Jaguar — Throttle Position Not Available
P1573 Jeep — Brake Switch Stuck Off
P1573 Mazda — Throttle Position Sensor Signal Not Available
P1573 Mitsubishi — Brake Switch Stuck Off
P1573 Volkswagen — Left Engine Mount Solenoid Valve Open 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.