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G Klasse Diesel Transmission Issues

My 2019 Mercedes G Klasse diesel is throwing codes and acting up The transmission indicator light and check engine light are on The automatic transmission is in emergency mode shifts are slipping and there's a grinding noise sometimes Codes seem related to radiator oil pressure I suspect a faulty connection Has anyone experienced something similar I'm not seeing any coolant leak or issues with the cooling fan and my pressure gauge is within spec

A 2019 Mercedes G Klasse diesel is experiencing transmission issues, with the transmission indicator and check engine lights on, and the transmission in emergency mode. The problem includes slipping shifts and occasional grinding noises, with codes suggesting a radiator oil pressure issue. A faulty connection is suspected, and after professional diagnostics, it was confirmed to be a defective cable connection, which was resolved by cleaning the contacts and securing the plug.

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I am familiar with similar symptoms on a different make In my case with an older BMW the root cause analysis also indicated issues with transmission behavior and radiator pressure readings It would be advisable to verify the integrity of the wiring harness and connectors associated with the radiator pressure sensor Has the radiator coolant level been checked recently

Thanks for the quick response When you had this issue on the BMW did the error appear intermittently at first I'm wondering if it's worth trying to clean the contacts before I consider a full radiator repair Also which sensor was it exactly and was it easy to access

Affirmative the error was indeed intermittent initially preceding a permanent failure state Regarding your course of action I must strongly suggest conducting a thorough diagnostic process by a qualified technician Attempting to resolve the matter without professional assistance carries inherent risks While I cannot offer guidance on the precise sensor location on your specific vehicle I can reiterate that professional intervention is advisable

Understood I appreciate the input Took it to the shop and you were spot on it was indeed a defective cable connection They cleaned the contacts and secured the plug Total cost was 95€ Shifts like new again

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MERCEDES

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GKLASSE