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Reverse light warning on dash. Open circuit

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Old Feb 9, 2024 | 12:26 PM
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BlackSeries204's Avatar
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C204 c63
Reverse light warning on dash. Open circuit

I’ve had this reverse light message displaying on the speedo. Yesterday when replacing the tailshaft I noticed a wiring loom with a 3 pin plug at the back of the gear box not connected to anything. Any idea where this may connect too. The car does have aftermarket down pipes, not sure if it’s exhaust related?
Otherwise what module control the reverse light? The reverse lights illuminate but this fault comes up when engaging reverse.

image attached of the same type of plug


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Old Feb 15, 2024 | 05:33 AM
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kia Roy
Concerning the Over powered, on the off chance that the issue is as yet occurring with halogen switch lights, I'd detach the battery for 5 minutes and reconnect to check whether a reset makes a difference. If not, there could be a wiring issue or somebody might have recently meddled with the coding/lighting config. Difficult to say for specific I'm apprehensive. Perhaps check for load resistors?






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Last edited by sikodk; Feb 16, 2024 at 03:05 AM.
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Old Feb 15, 2024 | 01:14 PM
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C63S Coupe/CLA45
Based on the model number(A 022 545 24 26). It shows as a parking sensor on one mercedes site and also can be used for the gearbox. Look at part #900 in picture

https://www.mercedesbenz.parts/oem-p...ical-225452426



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