Battery supply or electrical supply fault
2010 Peugeot 207 1.6 SW

Hi after about 5 minutes of driving I get the warning "Battery supply or electrical supply fault" flash up. If air con is on it will then turn warm and its now affecting lights making them too dim to drive at night. Other than that the car has been driving absolutely fine no issues. The warning message goes quickly but the battery indicator light stays on. Garage replaced the alternator and belt but as soon as I drove home the problem was back not resolved. They have now had it a week trying to diagnose the issue but seem to be struggling. Any ideas?

Problem added: Aug 12, 2020 (1 year ago)
Avatar
Stacey
1 points
Peugeot 207 (2010)
1.6 SW
Problem Category
Electrics, ECU, Warnings & Lights
Replies and fixes
Would check that the air con pump is free and not locking up.
I think i would be checking for a good earth and also good battery connections

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