P0700Wysoki
System sterowania skrzynią biegów — usterka
Układ napędowy
Sprawdź szczegóły →P0C20
WysokiOpen Circuit in U-V-W Phases of the Auxiliary Transmission Oil Pump
Code P0C20 indicates an open circuit in the auxiliary transmission oil pump circuit. It most often manifests as an illuminated engine light and transmission operation problems. To avoid more serious damage, we recommend prompt diagnosis at a specialized workshop.
Symptoms
Illumination of the engine warning light (MIL) Problems with gear shifting (jerking, delays) Transmission may enter fail-safe mode (limp mode) Transmission overheating Unusual noises from the transmission area
Possible causes
Damaged or corroded connectors in the pump circuit Broken wire in one of the phases (U, V, or W) Faulty auxiliary transmission oil pump Blown pump fuse Malfunction of the Transmission Control Module (TCM) or PCM
Affected systems
skrzynia biegówpomocnicza pompa oleju przekładniowegomoduł sterujący skrzyni biegów (TCM)okablowanie układu przeniesienia napędu
Related codes
Sources and further reading
Does code P0C20 require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.