AutoCodes – Pontiac – C0181 Pontiac

C0181 Pontiac Code - Throttle Reduction Motor Circuit Malfunction

Quick Answer

Identifies an adjuster assembly motor circuit that is shorted to ground, shorted to voltage, or an open circuit. 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: C0181 Pontiac indicates Throttle Reduction Motor Circuit Malfunction.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,318

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code C0181 Pontiac Description

Identifies an adjuster assembly motor circuit that is shorted to ground, shorted to voltage, or an open circuit. This malfunction will not allow the adjuster assembly motor to be controlled at the commanded current rate or will cause the driver circuit to allow current directly to ground.

OBDII Code C0181 Pontiac - Throttle Reduction Motor Circuit Malfunction - AutoCodes.com — C0181 Pontiac Code - Throttle Reduction Motor Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC C0181 Pontiac?

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

How to Fix the DTC C0181 Pontiac?

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 C0181 Pontiac 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 C0181 Pontiac code?

Need more information on how to fix the C0181 Pontiac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0181 Pontiac code diagnosed by a professional: Find a repair shop in your area

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 C0181 Pontiac Code

1. What are the common symptoms of OBDII code C0181 in a Pontiac related to Throttle Reduction Motor Circuit Malfunction?

Common symptoms include reduced engine power, difficulty accelerating, and the vehicle going into a limp mode.

2. What are the possible causes of OBDII code C0181 in a Pontiac?

Possible causes include a faulty throttle reduction motor, damaged wiring or connectors in the motor circuit, or issues with the engine control module.

3. How can I diagnose the Throttle Reduction Motor Circuit Malfunction in my Pontiac?

Diagnosis involves using an OBDII scanner to retrieve the code, inspecting the throttle reduction motor and its wiring for any visible damage, and testing the motor circuit for proper voltage and continuity.

4. Can I still drive my Pontiac with OBDII code C0181 present?

It is not recommended to drive your Pontiac with this code present, as it can lead to further damage and unsafe driving conditions due to reduced engine power.

5. How can I repair OBDII code C0181 in my Pontiac?

Repair options may include replacing the throttle reduction motor, repairing or replacing damaged wiring or connectors, or reprogramming the engine control module.

6. Are there any DIY tips for addressing OBDII code C0181 in a Pontiac?

While basic inspections can be done, it is recommended to seek professional help for diagnosing and repairing this code to ensure proper resolution and prevent further issues.

7. Can a faulty throttle reduction motor cause other codes to appear in my Pontiac?

Yes, a faulty throttle reduction motor can cause related codes to appear, such as throttle position sensor codes or other circuit malfunction codes.

8. How much does it typically cost to repair OBDII code C0181 in a Pontiac?

Repair costs can vary depending on the specific issue, but replacing a throttle reduction motor can range from $200 to $500, while addressing wiring or connector issues may be less expensive.

9. Is it possible to prevent OBDII code C0181 from occurring in my Pontiac?

Regular maintenance and inspections of the throttle system, as well as addressing any warning signs promptly, can help prevent this code from occurring.

10. Can resetting the OBDII system clear OBDII code C0181 in a Pontiac?

Resetting the system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and repair the root cause of the code for a lasting solution.