Scheduled automotive battery charge default to now

A method for controlling battery charging of a vehicle, comprising:

• by one or more controllers,
• responsive to activation of the vehicle, generating a wake up signal,
• responsive to passage of a predetermined period of time following the activation of the vehicle without detecting the wake up signal, setting a diagnostic flag, and
• responsive to deactivation of the vehicle, presence of the diagnostic flag, and presence of a request designating a future start time for a charge event of a traction battery, initiating the charge event regardless of the future start time.

A charge system for a vehicle comprising:

• a traction battery;
• and
• a controller programmed to
• responsive to passage of a predetermined period of time following activation of the vehicle without detecting a wake up signal, set a diagnostic flag, and
• responsive to presence of the diagnostic flag, initiate a charge event of the traction battery.