Ford Fiesta ESP off warning message

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Posts: 5
Joined: Sun Jul 31, 2016 1:47 pm
Vehicle: Ford Focus 1.6zetec 2002

Ford Fiesta ESP off warning message

Post by oldboy » Sun Nov 10, 2019 6:08 pm

Ford Fiesta zetec S 1.6ti 2009, which on occasion, and more as the weather is getting colder, flashes a warning on first cold start that "ESP is off". This then clears after a few seconds and all is well no codes or lights on. It's as though the car is switching esp off and back on again during a cold start? There are no warning messages on the dash and no codes stored for this issue.

My gut instinct is a failing battery? But I'm unsure as to how bad the battery has to be. So could some kind soul provide me with known good voltage for a cold morning start (no lower than 12.5v?) and what the running voltage should be?

Many thanks 8-)

Posts: 627
Joined: Mon Feb 06, 2017 3:00 pm
Vehicle: ford focus 16 zetec

Re: Ford Fiesta ESP off warning message

Post by denbo » Mon Nov 11, 2019 8:25 am

The battery needs to be load tested with the tool. Volts dont show if its good or bad only if its flat or not.

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