P1D0313 Circuit Open
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Joined: Sep 2022
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Volvo XC70
P1D0313 Circuit Open
Hi guys! I am having some issues with a W176 with the crankcase ventilation valve. The problem started with fault code P052E71 - The crankcase ventilation valve is faulty. The actuator is blocked. Thought, hm simple enough. Rang up my mb dealer in my area and ordered a new one. After some hours the valve was in and all was set, the car was finally finished and ready to go... not. Like always I end my jobs with a quick scan and clear code command. Surprisingly though the code didn't go away. Even worse I received another code instead. P1D0313 - An electrical fault exists in the crankcase vent valve. An open circuit exists. So I thought I must've damaged a wire or something but I checked all the wires and tested them for continuity and they were all fine. Also when I go to test the old valve and still have this open circuit fault code. To put the cherry on top after driving the car I get another fault code: Knock sensor 1 (cylinder bank 1) has a short circuit to ground. A signal is below the permissible limit value.
So now I am completely lost and have no idea what to check. I swapped the ecu and cloned the old one just in case if that was the problem, it was not. If anyone has any useful help I'd be really grateful.
T.I.A
Best regards,
Vites Vraqqes
So now I am completely lost and have no idea what to check. I swapped the ecu and cloned the old one just in case if that was the problem, it was not. If anyone has any useful help I'd be really grateful.
T.I.A
Best regards,
Vites Vraqqes
Newbie
Joined: Sep 2017
Posts: 1
Likes: 0
2008 ML 320 CDI
