AutoCodes – Nissan – P1128 2004 Nissan Maxima

P1128 2004 Nissan Maxima Code - Throttle Control Motor Circuit Short

Quick Answer

The throttle control motor is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve. Common causes include Faulty Throttle Control Motor, Throttle Control Motor harness is open or shorted, Throttle Control 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: P1128 2004 Nissan Maxima indicates Throttle Control Motor Circuit Short.
Common causes: Common causes include Faulty Throttle Control Motor, Throttle Control Motor harness is open or shorted, Throttle Control 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 2,395

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 Apr 26, 2019

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1128 2004 Nissan Maxima Description

The throttle control motor is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve.
The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feedback to the ECM to control the throttle control motor to make the throttle valve opening angle properly in response to driving condition.

OBDII Code P1128 2004 Nissan Maxima - Throttle Control Motor Circuit Short - AutoCodes.com — P1128 2004 Nissan Maxima Code - Throttle Control Motor Circuit Short

What does this mean?

What are the Possible Causes of the DTC P1128 2004 Nissan Maxima?

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

How to Fix the DTC P1128 2004 Nissan Maxima?

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 P1128 2004 Nissan Maxima 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 P1128 2004 Nissan Maxima code?

Need more information on how to fix the P1128 2004 Nissan Maxima code? Get Access to Factory Service Manuals

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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.

Frequently Asked Questions about P1128 2004 Nissan Maxima Code

1. What are the common symptoms of OBDII code P1128 in a 2004 Nissan Maxima?

The common symptoms of OBDII code P1128 in a 2004 Nissan Maxima include poor engine performance, stalling, rough idling, and a noticeable drop in fuel efficiency.

2. What does the OBDII code P1128 in a 2004 Nissan Maxima indicate?

OBDII code P1128 in a 2004 Nissan Maxima indicates a potential issue with the Throttle Control Motor Circuit Short.

3. What are some possible causes of OBDII code P1128 in a 2004 Nissan Maxima?

Possible causes of OBDII code P1128 in a 2004 Nissan Maxima include a faulty throttle control motor, damaged wiring or connectors in the throttle control system, or a malfunctioning throttle position sensor.

4. How can I diagnose the Throttle Control Motor Circuit Short in a 2004 Nissan Maxima?

To diagnose the Throttle Control Motor Circuit Short in a 2004 Nissan Maxima, you can use an OBDII scanner to read the trouble codes, visually inspect the throttle control motor and related components, and perform continuity tests on the wiring.

5. Is it safe to continue driving a 2004 Nissan Maxima with OBDII code P1128?

It is not recommended to continue driving a 2004 Nissan Maxima with OBDII code P1128, as it can lead to further damage to the engine and potentially compromise vehicle safety.

6. How can I repair OBDII code P1128 in a 2004 Nissan Maxima?

To repair OBDII code P1128 in a 2004 Nissan Maxima, you may need to replace the throttle control motor, repair or replace damaged wiring or connectors, or recalibrate the throttle position sensor.

7. Can a DIY enthusiast fix OBDII code P1128 in a 2004 Nissan Maxima?

While some DIY enthusiasts may be able to diagnose and repair OBDII code P1128 in a 2004 Nissan Maxima, it is recommended to seek professional help for accurate diagnosis and proper repair.

8. How much does it cost to fix OBDII code P1128 in a 2004 Nissan Maxima?

The cost to fix OBDII code P1128 in a 2004 Nissan Maxima can vary depending on the extent of the issue and the parts and labor required for the repair. It is advisable to get a quote from a trusted mechanic.

9. Can a bad throttle control motor cause OBDII code P1128 in a 2004 Nissan Maxima?

Yes, a bad throttle control motor can cause OBDII code P1128 in a 2004 Nissan Maxima, as it can lead to a short circuit in the throttle control motor circuit.

10. How often does OBDII code P1128 occur in a 2004 Nissan Maxima?

OBDII code P1128 in a 2004 Nissan Maxima can occur due to various reasons, and its frequency can vary depending on the maintenance and driving habits of the vehicle.