GM has issued a Special Coverage bulletin for the 2016 through 2018 Chevy Volt, for an available fix for a battery energy control module malfunction.

The HEI distributor is an inductive-discharge-style ignition, but with the points replaced by a solid-state switching device called an electronic ignition-control module.

Worn spark plugs or ignition coils are common culprits for the misfire P0300 code on Chevy Silverados. The following are the steps commonly required to replace spark plugs: Remove the ignition coils.

Read about how to install GM's Advanced High Energy Ignition electronic distributor in 4Wheel & Off-Road Magazine.

At the same time, GM has suspended two engineers involved in the ignition-switch scandal following a recommendation from the company’s internal auditor, former U.S. attorney Anton Valukas.