AutoCodes – Generic – C0182

C0182 Code - Throttle Reduction Motor Circuit Range Performance

Quick Answer

The throttle position signal is used by the ASM to control the actual throttle position that is requested by the Electronic Brake Control Module (EBCM). Common causes include Faulty Throttle Reduction Motor, Throttle Reduction Motor harness is open or shorted, Throttle Reduction Motor 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: C0182 indicates Throttle Reduction Motor Circuit Range Performance.
Common causes: Common causes include Faulty Throttle Reduction Motor, Throttle Reduction Motor harness is open or shorted, Throttle Reduction Motor 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 1,642

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 May 08, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0182 Description

The throttle position signal is used by the ASM to control the actual throttle position that is requested by the Electronic Brake Control Module (EBCM). The EBCM compares the Delivered throttle position sensor value that is sent from the ASM to the throttle position sensor value sent from the PCM over the Class 2 serial data line.

OBDII Code C0182 - Throttle Reduction Motor Circuit Range Performance - AutoCodes.com — C0182 Code - Throttle Reduction Motor Circuit Range Performance

What does this mean?

What are the Possible Causes of the DTC C0182?

Faulty Throttle Reduction Motor
Throttle Reduction Motor harness is open or shorted
Throttle Reduction Motor circuit poor electrical connection

How to Fix the DTC C0182?

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 C0182 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 C0182 code?

Need more information on how to fix the C0182 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0182 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C0182 Buick — Throttle Reduction Motor Circuit Range Performance
C0182 Cadillac — Throttle Reduction Motor Circuit Range Performance
C0182 Chevrolet — Throttle Reduction Motor Circuit Range Performance
C0182 GMC — Throttle Reduction Motor Circuit Range Performance
C0182 Pontiac — Throttle Reduction Motor Circuit Range Performance
C0182 Saturn — Throttle Reduction Motor Circuit Range Performance

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.

Frequently Asked Questions about C0182 Code

What does OBDII code C0182 mean?

OBDII code C0182 indicates a problem with the Throttle Reduction Motor Circuit Range Performance, which affects the vehicle's throttle control system.

What are common symptoms of the C0182 code?

Common symptoms include reduced engine power, erratic acceleration, warning lights on the dashboard, and the vehicle entering limp mode.

What can cause the C0182 code to trigger?

Causes can include a faulty throttle position sensor, issues with wiring or connectors in the throttle control circuit, or problems with the throttle body itself.

How can I diagnose the C0182 code?

To diagnose the C0182 code, use an OBDII scanner to confirm the code, inspect the throttle position sensor and its wiring, and check for any related codes that may provide additional context.

What repairs are needed for the C0182 code?

Repairs may include replacing the throttle position sensor, repairing or replacing damaged wiring or connectors, or cleaning or replacing the throttle body.

Can I drive my vehicle with the C0182 code?

It is not advisable to drive the vehicle with the C0182 code present, as it can lead to reduced engine performance and potential safety issues.

How do I clear the C0182 code after repairs?

After completing the necessary repairs, you can clear the C0182 code using an OBDII scanner or by disconnecting the vehicle's battery for a short time.

Is it safe to ignore the C0182 code?

Ignoring the C0182 code is not safe, as it can lead to further damage to the throttle control system and may compromise vehicle safety and performance.

Can a dirty throttle body cause the C0182 code?

Yes, a dirty throttle body can interfere with throttle operation and may contribute to the C0182 code being triggered. Cleaning the throttle body can sometimes resolve the issue.