P07B8

What it means

Park position sensor/switch B is the redundant/secondary park-confirmation sensor — used in shift-by-wire systems for safety, so a single sensor failure cannot strand the vehicle in Park or hide a non-Park condition. With B open the TCM falls back to sensor A only.

Is it safe to drive?

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.

Most likely causes

• Open wire or unplugged sensor

  high

  One of the most commonly reported causes for this code — check this first.

• Pin pushed back out of connector body

  low

  Less common, but worth ruling out after the more likely causes.

• Cracked solder joint inside the module or sensor

  low

  Less common, but worth ruling out after the more likely causes.

Related help

• Full P07B8 diagnosis, causes & costs
• How to read check engine light codes
• Is it safe to drive with the light on?