P2128 2009 Honda Accord Code - Accelerator Pedal Position Sensor 'B' Throttle Position Sensor 'D' Circuit High Voltage
Quick Answer
Accelerator Pedal Position (APP) sensor B is a part of the Electronic Throttle Control System (ETCS), and it is used to convert the position of the accelerator pedal into electrical signals. Common causes include Faulty Accelerator Pedal Position, Accelerator Pedal Position harness is open or shorted, Accelerator Pedal Position 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
- P2128 2009 Honda Accord indicates Accelerator Pedal Position Sensor 'B' Throttle Position Sensor 'D' Circuit High Voltage.
- Common causes
- Common causes include Faulty Accelerator Pedal Position, Accelerator Pedal Position harness is open or shorted, Accelerator Pedal Position 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 P2128 2009 Honda Accord Description
What are the Possible Causes of the DTC P2128 2009 Honda Accord?
- Faulty Accelerator Pedal Position
- Accelerator Pedal Position harness is open or shorted
- Accelerator Pedal Position circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P2128 2009 Honda Accord?
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 P2128 2009 Honda Accord 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 P2128 2009 Honda Accord Code
1. What are common symptoms of OBDII code P2128 on a 2009 Honda Accord?
- Common symptoms include poor acceleration, limited engine power, and the vehicle going into limp mode.
2. What can cause the OBDII code P2128 on a 2009 Honda Accord?
- The code P2128 is typically caused by a faulty accelerator pedal position sensor or throttle position sensor, wiring issues, or a problem with the engine control module.
3. How can I diagnose the OBDII code P2128 on my 2009 Honda Accord?
- To diagnose the code P2128, you can use an OBDII scanner to retrieve the code and then inspect the accelerator pedal position sensor, throttle position sensor, and related wiring for any visible damage or issues.
4. Can I continue driving my 2009 Honda Accord with the OBDII code P2128?
- It is not recommended to continue driving with the code P2128 as it can lead to further damage to the engine and other components. It is best to have the issue diagnosed and repaired as soon as possible.
5. How can I repair the OBDII code P2128 on my 2009 Honda Accord?
- The repair for the code P2128 usually involves replacing the faulty accelerator pedal position sensor or throttle position sensor, repairing any damaged wiring, and clearing the code with an OBDII scanner.
6. Are there any DIY tips for fixing the OBDII code P2128 on a 2009 Honda Accord?
- DIY tips for fixing the code P2128 include checking the sensor connections, inspecting the wiring for any visible damage, and ensuring all electrical connections are secure before replacing any sensor.
7. Will resetting the OBDII code P2128 on my 2009 Honda Accord make it go away permanently?
- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the code is not fixed, it is likely to return. It is important to diagnose and repair the root cause of the problem.
8. How much does it cost to repair the OBDII code P2128 on a 2009 Honda Accord?
- The cost of repairing the code P2128 can vary depending on the extent of the damage and whether you choose to do the repair yourself or take it to a professional mechanic. Costs can range from a few hundred dollars to over a thousand dollars.
9. Can a faulty accelerator pedal position sensor cause the OBDII code P2128 on a 2009 Honda Accord?
- Yes, a faulty accelerator pedal position sensor, also known as sensor 'B', can cause the code P2128 on a 2009 Honda Accord as it affects the throttle position sensor 'D' circuit.
10. Is it safe to drive my 2009 Honda Accord if the OBDII code P2128 is triggered?
- It is not recommended to drive your vehicle if the code P2128 is triggered, as it can lead to unsafe driving conditions due to reduced engine power and acceleration. It is best to address the issue promptly.
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