berndwinkler5
Seat Altea error codes and potential recoding
Summary of the thread
A 2015 Seat Altea with a gasoline engine and 177,979 km was experiencing error codes, with the malfunction indicator illuminated and messages on the infotainment and speedometer displays. A diagnostic scan suggested incorrect vehicle coding as the cause. After consulting with others, the owner took the car to a workshop specializing in vehicle electronics, where the modules were recoded, resolving the issue by clearing all error codes and turning off the malfunction indicator.
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4 comment(s)
berndwinkler5 (community.author)
That's a fair point. No recent electrical work or battery disconnection. I used my own diagnostic scanner, a fairly decent one. What makes you question the coding aspect? Is there something specific about Alteas that makes them less prone to coding errors?
sven_eis1
Okay, if you're sure about the scan tool data pointing to coding, it's possible. But honestly, I'd still get a second opinion before committing to recoding. It's not the most common thing, but not unheard of either. Seeing errors in multiple systems makes me lean towards some kind of central issue, maybe corruption. Get a professional diagnostic scan done, then you'll know for sure.
berndwinkler5 (community.author)
Took the Altea to a workshop specializing in vehicle electronics. My initial assessment regarding the coding was spot on. They recoded the relevant modules, cleared all the error codes, and performed a thorough system check. The malfunction indicator is now off, and the error messages are gone. Total cost came to 360€. Thanks for confirming my suspicions about the coding being the likely culprit.
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SEAT
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ALTEA
sven_eis1
Incorrect coding causing that many issues seems a bit odd, doesn't it? Have you recently had any work done on the car's electrical system or had the battery disconnected for an extended period? Did you use the diagnostic scanner yourself, or a workshop?