How to fix P0706 Code: Transmission Range Sensor “A” Circuit Range/Performance
The Transmission Range Sensor tells the computer (TCM/PCM) whether the gear selector is in Park, Reverse, Neutral, Drive, or Low.
A P0706 Code is set when the computer sees an issue with the signal from the Range Sensor.
Depending on the vehicle manufacturer, the Transmission Range Sensor is also called a Neutral Safety Switch.

Possible Causes of a P0706 Code:
Bad Transmission Range Sensor (Neutral Safety Switch)
Wiring (Open/Short)
Transmission Issues (Valve Body, Lead Frame)
Bad Computer (TCM/PCM)


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