Limp mode

Asked by Jul 24, 2017 at 07:26 PM about the 2009 Vauxhall Insignia 2.0 SRi (Nav) Hatchback 5d auto

Question type: Maintenance & repair

Hi I have a Vauxhall insignia 09. Its in limp
mode and recently took it to 4 different
garages, which all 4 said I need a new
alternator, as the battery light is on. I
changed the alternator and the battery light
is still on and car still in limp mode. Please

5 Answers


Did you change the alternator yourself? If so do you have diagnostic equipment to plug into the vehicles on board computer and clear the faults recorded? - If not I would advise taking the car to your local garage and having that done - it usually will clear most issues and at worst bring up any other faults recorded with your vehicle

1 people found this helpful.

i am supposing you disconnected the cars battery the right way my friend as you have to loosen the earth nut on battery then turn the key fully and back so as to do a self check then you have about 10 seconds to disconnect the earth strap. and same again in reverse


if you are not uising car for a few days try this my friend 1 x disconnect the car battery following above then proceed to do the live terminal 2x get some tie wraps and put both the terminals together and tie wrap em so as to make contact with each other b4 you do this wait 10 min first though, then when time past connect as above and leave for 24hr no less. 2x this will clear all codes stored in the ecu and ecm ect 3x when you connect the live 1st then the earth turn key fully on so wont go no more and of dose a self check 4x upon starting start car normal but do not rev the car at this time please 5x when car running leave alone and tick over for 10 minuets in this time the car will re calculate everything air intake and fuel mixtures ect. 6x after this time as passed take for a test drive and everything should be fine

1 people found this helpful.

the above is a factory re sett vauxhall charge £75 for just for doing very little

1 people found this helpful.

You must make sure the battery is fully charged up am thinking your battery should be 85 if you have a battery charger what's the ampage it charges at and divide this by the 85/6amp would be 14hrs and 16min

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