At a glance
What can fail
A short circuit in the fuel pump wiring harness can cause heat damage, melting, or charring of the wires. In some cases, this could potentially cause a vehicle fire.
What the fix does
A fused jumper harness will be installed in the fuel pump ground circuit at the fuel pump inertia shut-off switch.
Summarized — see the official notice for exact wording, dates, and contacts.