VIDEO

Informace

Cadillac

Cadillac P0446

See the basic definition of a diagnostic error. This will help you to clarify the main causes of the fault code. You will understand the program of the control unit
Basic DTC analysis according to OBD2 protocol standard.

OBD2 or On-Board Diagnostics displays messages for basic group styles. More comprehensible code composition has been standard since 2000. The DTC code consists of five characters and its composition will be shown in this video

Insight into programming

The basic unit for the operation of any computer is the bit. Logic 0 and 1 are expressed by a single bit. Diagnostics The error code is composed of 16 bits. The first two bits define one of the four basic circuits. The video will show you a comprehensive overview of the composition of the error report

A diagnostically understandable description of the Diagnostic Trouble Code

Cadillac P0446

Basic error definition

Emisie z odparovania (EVAP) Vent System Performance

Cause of DTC

DTC P0068, P0101, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0122, P0123, P0125, P0128, P0220, P0222, P0223, P0443, P0449, P0452, P0453, P0454, P0502, P0503, P0606, P0641, P0651, P0722, P0723, P2138, P2227, P2228, P2229 nie sú nastavené napätie zapaľovania je medzi 11-32 V. barometrického tlaku (BARO) je väčší ako 70 kPa. Hladina paliva je medzi 10-90 percentami. Teplota chladiacej kvapaliny motora (ECT) je menšia ako 35 ° C (95 ° F). Teplota nasávaného vzduchu (IAT) je v rozmedzí 4-30 ° C (39-86 ° F). DTC P0446 sa spustí raz za studenom štarte, keď sú splnené vyššie uvedené podmienky. Diagnostický test sa preruší po 16,6 minútach.