BMWFAN
Fiat 124 Turn Signal Lamp Malfunction
Summary of the thread
A 2018 Fiat 124 is experiencing a turn signal lamp malfunction, indicated by an error message on the speedometer and a fault in the lighting system. The issue is suspected to be a defective cable or plug connection. It is recommended to perform a diagnostic scan to identify the affected side and inspect the connector for corrosion or loose pins. If the connection is not the problem, lamp replacement may be necessary, and consulting a qualified workshop is advised for efficient resolution.
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4 comment(s)
BMWFAN (community.author)
Thanks. I've done a quick visual inspection of the connector, but a more thorough look is needed. Could you elaborate on the specific diagnostic procedures you'd recommend to further isolate the fault?
gabrielwerner10
Given the stored error and indicators, a diagnostic scan is your next step. The fault codes will reveal which side is affected. A faulty connection is highly probable. If it's not the connection, then lamp replacement might be necessary. A qualified workshop visit may be more efficient.
BMWFAN (community.author)
Thanks for the confirmation. I'll proceed with a comprehensive diagnostic scan and address the connector issue. I'll consult with a trusted workshop to ensure a proper resolution. Just got the bill; the repair including lamp replacement and troubleshooting the defective cable and plug connection was 95€.
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FIAT
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124
gabrielwerner10
The symptoms strongly suggest an issue within the turn signal circuit. Have you inspected the connector at the lamp housing for corrosion or loose pins? A diagnostic scan should pinpoint the affected side.