P1225 2010 Nissan Altima Sedan Code - Closed Throttle Position Learning Performance Problem
Quick Answer
Electric Throttle Control Actuator consists of throttle control motor, throttle position sensor, etc. Common causes include Faulty Electric throttle control actuator (TP sensor 2), Electric throttle control actuator (TP sensor 2) harness is open or shorted, Electric throttle control actuator (TP sensor 2) 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
- P1225 2010 Nissan Altima Sedan indicates Closed Throttle Position Learning Performance Problem.
- Common causes
- Common causes include Faulty Electric throttle control actuator (TP sensor 2), Electric throttle control actuator (TP sensor 2) harness is open or shorted, Electric throttle control actuator (TP sensor 2) 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 P1225 2010 Nissan Altima Sedan Description
The throttle position sensor has the two sensors. These sensors are a kind of potentiometers which transform the throttle valve position into output voltage, and emit the voltage signal to the Engine Control Module (ECM). In addition, these sensors detect the opening and closing speed of the throttle valve and feed the voltage signals to the ECM. The ECM judges the current opening angle of the throttle valve from these signals and the ECM controls 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 P1225 2010 Nissan Altima Sedan?
- Faulty Electric throttle control actuator (TP sensor 2)
- Electric throttle control actuator (TP sensor 2) harness is open or shorted
- Electric throttle control actuator (TP sensor 2) circuit poor electrical connection
How to Fix the DTC P1225 2010 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 P1225 2010 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 P1225 2010 Nissan Altima Sedan Code
1. What does the OBDII code P1225 mean on a 2010 Nissan Altima Sedan?
P1225 indicates a "Closed Throttle Position Learning Performance Problem," which means the engine control module (ECM) is having trouble learning or detecting the throttle's fully closed position.
2. What are the common symptoms of code P1225 on a 2010 Nissan Altima?
Symptoms may include poor acceleration, rough idle, stalling, a check engine light, and unresponsive throttle behavior.
3. What causes the P1225 code to appear on a Nissan Altima?
Common causes include a dirty or faulty throttle body, a malfunctioning throttle position sensor (TPS), wiring issues, or a failed ECM.
4. Can a dirty throttle body trigger the P1225 code?
Yes, a dirty throttle body can prevent the ECM from accurately detecting the closed throttle position, leading to this error code.
5. How do I fix the P1225 code on a 2010 Nissan Altima?
Cleaning the throttle body, inspecting and repairing wiring or connectors, resetting the throttle position, and reprogramming or replacing the ECM may resolve the issue.
6. Is it safe to drive with the P1225 code active?
Driving with this code is not recommended, as it can lead to unpredictable throttle response, potentially causing unsafe driving conditions.
7. How do I perform a throttle position reset on a 2010 Nissan Altima?
The throttle position reset typically involves a series of steps like turning the ignition on and off and pressing the accelerator pedal in a specific sequence. Consult the owner's manual or a repair manual for exact instructions.
8. Can a failing throttle position sensor cause the P1225 code?
Yes, a malfunctioning TPS can fail to send accurate signals to the ECM, leading to a closed throttle position learning issue.
9. How much does it cost to repair the P1225 code on a Nissan Altima?
Repair costs can range from $100 to $500, depending on whether cleaning, sensor replacement, wiring repairs, or ECM reprogramming is needed.
10. Will clearing the P1225 code with a scanner fix the problem?
Clearing the code may temporarily turn off the check engine light, but it won’t address the underlying issue causing the code.
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