What Does the P2747 Code Mean?
The P2747 OBD-II code indicates that the Intermediate Shaft Speed Sensor “B” is reporting no signal to the Transmission Control Module (TCM). This sensor plays a crucial role in helping the TCM determine the proper timing for gear shifts based on the speed of the intermediate shaft in the transmission.
What Causes the P2747 Code?
Several issues could trigger the P2747 code, including:
- Intermediate shaft speed sensor failure
- Powertrain Control Module (PCM) failure
- Transmission Control Module (TCM) failure
- Wiring issues related to the sensor
What Are the Symptoms of the P2747 Code?
When the P2747 code is present, you may notice the following symptoms:
- Transmission may not shift properly
- Increased fuel consumption
How Serious Is the P2747 Code?
The P2747 code is classified as urgent. Ignoring this code can lead to significant transmission problems that may compromise vehicle safety and performance. Immediate attention is necessary to prevent further damage.
How to Diagnose the P2747 Code
Diagnosing the P2747 code involves several steps:
- Use an OBD-II scanner to confirm the presence of the P2747 code.
- Inspect the wiring and connectors associated with the Intermediate Shaft Speed Sensor for damage or corrosion.
- Test the sensor itself for proper operation.
- Check the TCM and PCM for faults that may affect sensor readings.
Common Repairs for the P2747 Code
Repairs for the P2747 code may include:
- Replacing the Intermediate Shaft Speed Sensor
- Repairing or replacing damaged wiring or connectors
- Replacing the Transmission Control Module (if found faulty)
- Reprogramming or replacing the Powertrain Control Module (if necessary)
How Much Does It Cost to Fix the P2747 Code?
The cost to fix the P2747 code can vary widely based on the specific issue and labor rates in your area. Generally, repairs may range from $100 to $600, depending on whether a sensor replacement or module repair is needed.
Can I Fix the P2747 Code Myself?
If you have automotive repair experience and the necessary tools, you may be able to diagnose and repair the P2747 code yourself. However, due to the complexity of transmission systems, it is often advisable to seek professional assistance to ensure proper diagnosis and repair.
