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P07B4 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.
The Transmission Park Position Sensor tells the engine control module (PCM) that the vehicle is in park. When the PCM detects an incorrect signal from the Transmission Park Position Sensor, the PCM will set code P07B4.
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OBD-II Code Transmission may not shift out of park is defined as a Transmission Park Position Sensor/Switch "A" Circuit High
The Transmission Park Position Sensor tells the engine control module (PCM) that the vehicle is in park. When the PCM detects an incorrect signal from the Transmission Park Position Sensor, the PCM will set code P07B4.