P1128 2003 Nissan Altima Sedan 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 2003 Nissan Altima Sedan 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.
Code P1128 2003 Nissan Altima Sedan Description
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.
What are the Possible Causes of the DTC P1128 2003 Nissan Altima Sedan?
- 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 2003 Nissan Altima Sedan?
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 2003 Nissan Altima Sedan 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.
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Frequently Asked Questions about P1128 2003 Nissan Altima Sedan Code
1. What are the common symptoms of OBDII code P1128 in a 2003 Nissan Altima Sedan?
The common symptoms of code P1128 in a 2003 Nissan Altima Sedan include poor engine performance, rough idling, stalling, and a noticeable decrease in fuel efficiency.
2. What does the OBDII code P1128 for a 2003 Nissan Altima Sedan indicate?
Code P1128 indicates a Throttle Control Motor Circuit Short in the throttle actuator control system of the vehicle.
3. What are the possible causes of OBDII code P1128 in a 2003 Nissan Altima Sedan?
Possible causes of code P1128 in a 2003 Nissan Altima Sedan include a faulty throttle control motor, wiring issues in the throttle control circuit, or a damaged throttle body.
4. How can I diagnose the Throttle Control Motor Circuit Short in my 2003 Nissan Altima Sedan?
Diagnosing a Throttle Control Motor Circuit Short involves using an OBDII scanner to retrieve the trouble codes, inspecting the throttle control motor and related wiring, and performing a thorough visual inspection of the throttle body components.
5. What are some repair tips for fixing OBDII code P1128 in a 2003 Nissan Altima Sedan?
Repair tips for resolving code P1128 include repairing or replacing the throttle control motor, repairing any damaged wiring in the throttle control circuit, and cleaning or replacing the throttle body if necessary.
6. Can I drive my 2003 Nissan Altima Sedan with OBDII code P1128?
It is not recommended to drive your 2003 Nissan Altima Sedan with code P1128, as it can lead to further damage to the throttle control system and affect the vehicle's performance.
7. How much does it cost to repair OBDII code P1128 in a 2003 Nissan Altima Sedan?
The cost of repairing code P1128 in a 2003 Nissan Altima Sedan can vary depending on the exact cause of the issue, but it typically ranges from $200 to $500 including parts and labor.
8. Is OBDII code P1128 a common issue in 2003 Nissan Altima Sedans?
While not extremely common, code P1128 can occur in 2003 Nissan Altima Sedans due to issues with the throttle control system components.
9. Can a DIY enthusiast fix OBDII code P1128 in a 2003 Nissan Altima Sedan?
Depending on the skill level and experience of the individual, a DIY enthusiast may be able to diagnose and repair code P1128 in a 2003 Nissan Altima Sedan, especially if they have access to the necessary tools and resources.
10. Will resetting the OBDII system clear code P1128 in a 2003 Nissan Altima Sedan?
Resetting the OBDII system may temporarily clear code P1128, but it is important to diagnose and address the underlying issue causing the code to prevent it from reoccurring.
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