Car Fix DIY Videos

Fix “check sh-awd system” alert on Acura vehicles including the MDX, TL, RDX. Is your Acura check SH-AWD warning light on? This comprehensive guide covers everything you need to know about the Acura SH-AWD system warning, what causes it, and how to fix it without spending a fortune at the dealership.

The check SH-AWD system warning is one of the most common issues reported by Acura MDX owners, Acura RDX owners, and Acura TL owners. If you’re seeing this warning light along with a check emission system message, you’re not alone.

This video breaks down the six most common causes of the SH-AWD warning light and provides practical solutions for each one.We cover the Acura MDX check SH-AWD system issue across multiple model years including 2007 MDX, 2008 MDX, 2009 MDX, 2010 MDX, 2011 MDX, 2012 MDX, 2013 MDX, 2014 MDX, and newer models.

The same fixes apply to Acura RDX models from 2007 through 2018, and Acura TL SH-AWD models from 2009 through 2014. These AWD system problems are consistent across generations.In this video you’ll learn about oxygen sensor failure and how a bad O2 sensor triggers both emission codes and AWD warnings.

I also explain why your Acura switches to front wheel drive when the SH-AWD light comes on, and how emission system problems directly affect your all wheel drive system. You’ll discover that loose battery terminals and weak batteries are responsible for more SH-AWD warnings than most people realize.

I then also cover alternator problems that cause check charging system warnings alongside SH-AWD errors, plus how a dirty EGR valve can disable your entire AWD system. The purge control solenoid valve is another culprit that causes EVAP system codes and SH-AWD warnings simultaneously. And yes, something as simple as a loose gas cap can trigger both your emission light and SH-AWD warning.