P1128 2005 Nissan Maxima Code - Throttle Control Motor Circuit Short
Quick Answer
The P1128 code for a 2005 Nissan Maxima indicates a problem with the throttle control motor circuit being shorted. Common causes include Damaged wiring or connectors in the throttle control motor circuit, Faulty throttle control motor, Malfunctioning ECM. 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 2005 Nissan Maxima indicates Throttle Control Motor Circuit Short.
- Common causes
- Common causes include Damaged wiring or connectors in the throttle control motor circuit, Faulty throttle control motor, Malfunctioning ECM.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1128 2005 Nissan Maxima Description
The P1128 code for a 2005 Nissan Maxima indicates a problem with the throttle control motor circuit being shorted. The throttle control motor is responsible for controlling the throttle valve opening angle based on the signals from the engine control module (ECM). When a short circuit occurs in this circuit, it can disrupt the communication between the throttle control motor and the ECM, leading to various performance issues.
Common Causes of P1128 2005 Nissan Maxima
- Damaged wiring or connectors in the throttle control motor circuit
- Faulty throttle control motor
- Malfunctioning ECM
- Corrosion in the electrical connections
- Electrical short circuits
Symptoms of P1128 2005 Nissan Maxima
- Erratic throttle response
- Poor acceleration
- Stalling
- Rough idling
- Decreased fuel efficiency
How to Fix P1128 2005 Nissan Maxima
- Begin by diagnosing the specific cause of the throttle control motor circuit short using a diagnostic scanner to retrieve the trouble codes and perform electrical testing.
- Inspect the wiring and connectors in the throttle control motor circuit for any damage, corrosion, or loose connections. Repair or replace as necessary.
- Test the throttle control motor for proper functionality and replace if found to be faulty.
- Check the ECM for any signs of malfunction and reprogram or replace if needed.
- Clear the trouble codes, reset the ECM, and perform a test drive to ensure the issue has been resolved.
Cost to Fix P1128 2005 Nissan Maxima
The typical repair costs for addressing a throttle control motor circuit short on a 2005 Nissan Maxima can vary depending on the extent of the damage and the specific components that require replacement. On average, the parts for this repair may cost between $200 and $500, while the labor charges could range from $150 to $300. However, the total cost can be higher if additional components need to be replaced or if the diagnosis process is complex. It's recommended to consult with a trusted auto repair shop for a more accurate cost estimate based on the specific circumstances of your vehicle. Keep in mind that labor rates can differ based on location, shop rates, and the expertise of the technicians.
When is the Code Detected?
Need more information about the P1128 2005 Nissan Maxima code?
Need more information on how to fix the P1128 2005 Nissan Maxima code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1128 2005 Nissan Maxima code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1128 2005 Nissan Maxima Code
1. What does the OBDII code P1128 mean on a 2005 Nissan Maxima?
The P1128 code indicates a throttle control motor circuit short, meaning there is an electrical issue in the circuit controlling the throttle motor.
2. What are the common symptoms of code P1128 in a 2005 Nissan Maxima?
Symptoms may include poor throttle response, the engine going into limp mode, a rough idle, or the check engine light illuminating.
3. What causes P1128 to trigger in a 2005 Nissan Maxima?
Common causes include damaged wiring or connectors in the throttle motor circuit, a faulty throttle control motor, or a malfunctioning ECM.
4. Can a dirty throttle body cause the P1128 code on my Nissan Maxima?
A dirty throttle body itself may not directly cause a short, but excessive dirt or carbon buildup can stress the motor and potentially lead to related issues.
5. How do I diagnose the P1128 code on a 2005 Nissan Maxima?
Diagnose the issue by inspecting the throttle control motor wiring and connectors for damage, testing the throttle motor for proper operation, and checking the ECM for faults.
6. Is it safe to drive with the P1128 code on a 2005 Nissan Maxima?
Driving with this code is not recommended, as it may cause poor performance or limp mode, potentially leading to unsafe driving conditions.
7. What should I check first when fixing the P1128 code?
Start by inspecting the throttle control motor’s wiring and connectors for damage or corrosion, as these are common culprits.
8. How much does it typically cost to fix the P1128 code on a 2005 Nissan Maxima?
Repair costs vary, but fixing wiring or connectors may cost $100–$300, while replacing the throttle motor or ECM could cost $500–$1,500 depending on labor rates.
9. Can a bad battery cause the P1128 code on my Nissan Maxima?
A weak or failing battery can sometimes cause electrical issues, but it is not a common cause of this specific code.
10. Will clearing the code fix the P1128 issue permanently?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be addressed to prevent the code from returning.
Discuss the causes and fixes for P1128 2005 Nissan Maxima OBDII Code
Code P1128 2005 Nissan Maxima comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.