manfredlang1
C1 automatic gearbox issues
Summary of the thread
A 2008 Citroen C1 diesel with 75,000 km is experiencing issues with its automatic gearbox, including jerky shifting, a lit transmission indicator, and occasionally entering limp mode. The problem was suspected to be related to low voltage. After a diagnostic, it was found that worn-out transmission oil was causing the undervoltage issue, and replacing the oil resolved the problem.
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4 comment(s)
manfredlang1 (community.author)
Exactly! Error codes galore. Electrical gremlins... hmmm, not that I've noticed, but where was yours dodgy? Same symptoms? Did you manage to get it sorted, or am I looking at a garage job?
martinstorm6
Yep, same symptoms – the codes were related to the transmission's hydraulic fluid pressure. I'm no mechanic, so I took it straight to a workshop after some research. Probably worth getting it checked out professionally to avoid making things worse. Good luck!
manfredlang1 (community.author)
Booked it in for a diagnostic. Turned out the auto transmission oil was worn out and causing the undervoltage issue! Oil replacement sorted everything, cost me 240€. Should have done it sooner!
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CITROEN
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C1
martinstorm6
That sounds familiar! I've a C1 and had similar weirdness with the automatic transmission. Was yours also throwing up transmission error codes, refusing to shift sometimes? Any other electrical gremlins going on?