P1128 2003 Infiniti G35 Code - Throttle Control Motor Circuit Short
Quick Answer
The P1128 code for a 2003 Infiniti G35 indicates a Throttle Control Motor Circuit Short. Common causes include Damaged wiring or connectors in the throttle control motor circuit, Faulty throttle control motor, Issues with the electronic control unit (ECU). 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 2003 Infiniti G35 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, Issues with the electronic control unit (ECU).
- 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 2003 Infiniti G35 Description
The P1128 code for a 2003 Infiniti G35 indicates a Throttle Control Motor Circuit Short. This means that there is a problem with the circuit that controls the throttle motor in the vehicle. The throttle control motor is responsible for regulating the amount of air that enters the engine, which in turn affects the engine's performance and fuel efficiency. When this circuit is shorted, it can lead to issues with engine performance, acceleration, and overall drivability of the vehicle.
Common Causes of P1128 2003 Infiniti G35
- Damaged wiring or connectors in the throttle control motor circuit
- Faulty throttle control motor
- Issues with the electronic control unit (ECU)
- Corrosion or moisture in the circuit
- Poor electrical connections
Symptoms of P1128 2003 Infiniti G35
- Engine hesitation or lack of response when accelerating
- Check Engine Light illuminated on the dashboard
- Reduced fuel efficiency
- Rough idling or stalling
- Limp mode activated, limiting engine power
How to Fix P1128 2003 Infiniti G35
- Diagnose the issue using a scan tool to confirm the P1128 code and pinpoint the exact cause of the problem.
- Inspect the wiring and connectors in the throttle control motor circuit for any damage or corrosion. Repair or replace as needed.
- Test the throttle control motor for proper operation. Replace if faulty.
- Check the electronic control unit (ECU) for any malfunctions. Repair or replace if necessary.
- Clear the error code from the vehicle's computer and test drive to ensure the issue has been resolved.
Cost to Fix P1128 2003 Infiniti G35
The typical repair costs for addressing a Throttle Control Motor Circuit Short (P1128) in a 2003 Infiniti G35 can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may charge less. It's recommended to check local rates for a more accurate estimate.
When is the Code Detected?
Need more information about the P1128 2003 Infiniti G35 code?
Need more information on how to fix the P1128 2003 Infiniti G35 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1128 2003 Infiniti G35 code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1128 2003 Infiniti G35 Code
1. What are the common symptoms of OBDII code P1128 in a 2003 Infiniti G35?
- Common symptoms include rough idling, stalling, loss of power, and the Check Engine Light coming on.
2. What does the OBDII code P1128 on a 2003 Infiniti G35 indicate?
- OBDII code P1128 indicates a Throttle Control Motor Circuit Short.
3. What are the possible causes of OBDII code P1128 in a 2003 Infiniti G35?
- Possible causes include a faulty throttle control motor, a short circuit in the throttle control motor wiring, or a malfunctioning throttle position sensor.
4. How can I diagnose the OBDII code P1128 on my 2003 Infiniti G35?
- Diagnosing OBDII code P1128 may involve checking the throttle control motor for proper operation, inspecting the wiring for any shorts, and testing the throttle position sensor.
5. Can I continue driving my 2003 Infiniti G35 with OBDII code P1128?
- It is not recommended to continue driving with OBDII code P1128 as it can lead to further damage to the throttle control system and potentially unsafe driving conditions.
6. How can I repair OBDII code P1128 on my 2003 Infiniti G35?
- Repairing OBDII code P1128 may involve replacing the throttle control motor, repairing any wiring issues, or recalibrating the throttle position sensor.
7. Will resetting the Check Engine Light resolve OBDII code P1128 in my 2003 Infiniti G35?
- Resetting the Check Engine Light may temporarily turn off the light, but it will not fix the underlying issue causing OBDII code P1128.
8. Can a DIY enthusiast fix OBDII code P1128 on a 2003 Infiniti G35?
- Depending on the skill level and access to tools, DIY enthusiasts may be able to address OBDII code P1128 by following repair guides and using diagnostic tools.
9. How much does it cost to repair OBDII code P1128 on a 2003 Infiniti G35?
- The cost of repairing OBDII code P1128 can vary depending on the specific issue, parts needed, and labor rates, but it may range from a few hundred to over a thousand dollars.
10. Is OBDII code P1128 a common issue in 2003 Infiniti G35 vehicles?
- While OBDII code P1128 may not be as common as some other codes, it can still occur in 2003 Infiniti G35 vehicles due to various factors affecting the throttle control system.
Discuss the causes and fixes for P1128 2003 Infiniti G35 OBDII Code
Code P1128 2003 Infiniti G35 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.