P1516 Code - Meaning, Symptoms, Causes & How To Fix?

amzn.to/43N4WNr - All-in-One OBDII Scanner
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When using your OBDII scanner to determine why the Check Engine Light is on, it's not unusual to find the P1516 code if you drive a GM-branded vehicle. What should you do if your system has this code set?
Timecode:
00:00:00 - Intro
00:00:16 - Definition
00:00:46 - Meaning
00:01:02 - Symptoms
00:01:25 - Causes
00:01:53 - How Serious?
00:02:16 - How to Fix?
00:02:51 - How to diagnose?
00:03:48 - How much does it cost to fix code P1516?
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