Save this post. Tag a Renault owner. 5. Customer Email Response (for a Mechanic) Subject: Your Renault dongle fault – next steps
Unplug the dongle immediately. Step 2: Lock and unlock the car with the key blade. Leave it for 10 minutes. Step 3: If the UCH (body computer) is frozen, disconnect the battery negative terminal for 15 minutes.
Avoid $10 eBay dongles. They can fry your CAN bus.
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