P128D Code - Fuel Rail Temperature Sensor 2 Signal Message Counter Incorrect
Quick Answer
The fuel rail pressure sensor transmits fuel pressure and temperature information by serial data. Common causes include Faulty Fuel Rail Temperature Sensor 2, Fuel Rail Temperature Sensor 2 harness is open or shorted, Fuel Rail Temperature 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
- P128D indicates Fuel Rail Temperature Sensor 2 Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Fuel Rail Temperature Sensor 2, Fuel Rail Temperature Sensor 2 harness is open or shorted, Fuel Rail Temperature 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 P128D Description
What are the Possible Causes of the DTC P128D?
- Faulty Fuel Rail Temperature Sensor 2
- Fuel Rail Temperature Sensor 2 harness is open or shorted
- Fuel Rail Temperature Sensor 2 circuit poor electrical connection
How to Fix the DTC P128D?
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 P128D 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.
Need more information about the P128D code?
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Need Help with the Code?
Get the P128D code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P128D Buick — Fuel Rail Temperature Sensor 2 Signal Message Counter Incorrect
- P128D Cadillac — Fuel Rail Temperature Sensor 2 Signal Message Counter Incorrect
- P128D Chevrolet — Fuel Rail Temperature Sensor 2 Signal Message Counter Incorrect
- P128D Dodge — Transmission Control Module Power Control Circuit Open
- P128D GMC — Fuel Rail Temperature Sensor 2 Signal Message Counter Incorrect
Frequently Asked Questions about P128D Code
1. What are the common symptoms of OBDII code P128D (Fuel Rail Temperature Sensor 2 Signal Message Counter Incorrect)?
The common symptoms include poor engine performance, reduced fuel efficiency, and potentially rough idling or stalling.
2. What causes OBDII code P128D to appear?
This code is typically triggered by a faulty fuel rail temperature sensor, wiring issues, or a problem with the engine control module (ECM).
3. How serious is OBDII code P128D?
While this code may not cause immediate harm to your vehicle, it can impact engine performance and fuel efficiency. It is advisable to address the issue promptly to prevent further problems.
4. Can I continue to drive my vehicle with OBDII code P128D?
It is generally not recommended to drive your vehicle with this code present, as it can lead to decreased performance and potential engine issues. It is best to address the problem as soon as possible.
5. How can I diagnose the cause of OBDII code P128D?
Diagnosing the cause of this code may require a professional scan tool to read live data from the fuel rail temperature sensor and check for any wiring or ECM issues.
6. What are some repair tips for OBDII code P128D?
Repairing this code may involve replacing the fuel rail temperature sensor, repairing any damaged wiring, or reprogramming the ECM if necessary.
7. How much does it cost to fix OBDII code P128D?
The cost of fixing this code can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.
8. Can a DIY enthusiast fix OBDII code P128D?
If you have experience working on vehicles and access to the necessary tools, you may be able to address this code yourself by replacing the fuel rail temperature sensor or checking for wiring issues.
9. How long does it take to repair OBDII code P128D?
The repair time can vary depending on the complexity of the issue and the availability of parts. In general, it may take a few hours to a day to fully diagnose and fix the problem.
10. Will resetting the OBDII code P128D make it go away permanently?
Simply resetting the code without addressing the underlying issue will not make it go away permanently. It is crucial to diagnose and fix the root cause to prevent the code from reappearing.
Discuss the causes and fixes for P128D OBDII Code
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