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P0909 Severity
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
Manual Transmissions have a sensor mounted on the shift lever that tells the engine computer (PCM) what gear the transmission is in. If the Shift Lever Position Sensor sends the PCM an implausible signal, code P0909 is stored. The Shift Lever Position Sensor is usually built into the Shift Lever Assembly.
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OBD-II Code Transmission Control Module (TCM) failure is defined as a Gate Select Control Error
Manual Transmissions have a sensor mounted on the shift lever that tells the engine computer (PCM) what gear the transmission is in. If the Shift Lever Position Sensor sends the PCM an implausible signal, code P0909 is stored. The Shift Lever Position Sensor is usually built into the Shift Lever Assembly.