OBD2 Code Description
OBD-II Code P0905 is defined as a Gate Select Position Circuit Range/Performance issue. This code is primarily related to manual transmissions, where a sensor mounted on the shift lever communicates with the engine computer (PCM) to indicate what gear the transmission is currently in.
What Does the P0905 Code Mean?
The P0905 code signifies that the Shift Lever Position Sensor is sending an implausible signal to the PCM. This can occur if the sensor is malfunctioning or if there are issues within the wiring or the transmission control module.
What Causes the P0905 Code?
Several factors can trigger the P0905 code, including:
- Shift lever assembly failure
- Transmission Control Module (TCM) failure
- Wiring issues that affect signal transmission to the PCM
What Are the Symptoms of the P0905 Code?
Drivers may experience a range of symptoms when the P0905 code is present, such as:
- Difficulty shifting gears
- Transmission not engaging properly
- Warning lights illuminated on the dashboard
- Unusual noises when shifting
How Serious Is the P0905 Code?
The P0905 code is considered urgent, as it indicates significant malfunctions that could lead to further damage to the vehicle or pose safety risks to the driver and passengers. Immediate attention is recommended.
How to Diagnose the P0905 Code
To accurately diagnose the P0905 code, a thorough inspection should include:
- Scanning the vehicle’s OBD-II system for additional codes
- Examining the shift lever assembly and its wiring for damage or disconnections
- Testing the Shift Lever Position Sensor for proper function
- Assessing the Transmission Control Module for faults
Common Repairs for the P0905 Code
Repairs for the P0905 code may involve:
- Replacing the Shift Lever Position Sensor
- Repairing or replacing damaged wiring
- Replacing the shift lever assembly
- Reprogramming or replacing the Transmission Control Module
How Much Does It Cost to Fix the P0905 Code?
The cost to repair the P0905 code can vary widely based on the specific issue and the make and model of the vehicle. Typical repair costs might range from $100 to $1,000, depending on whether a simple wiring fix or a more extensive component replacement is needed.
Can I Fix the P0905 Code Myself?
While some DIY enthusiasts may be able to address minor wiring issues or replace the sensor, the P0905 code often requires specialized knowledge and tools to diagnose and repair properly. If you’re not confident in your skills, it’s advisable to seek the help of a professional mechanic.
