P1855

Factory Manual References

Factory service manual diagnostic procedure for 2002 audi a4

01J, Constantly Variable Transmission (CVT)



Factory service manual diagram




P1855 Databus drive 10); Monitoring software status

Note on DTC 18263/P1855:
^ The exchange of data and information between the Engine Control Module (ECM), ABS control module, Transmission Control Module (TCM) and instrument cluster is carried out over what is called a CAN bus. All information signals are transmitted over 2 leads.


01V, 5 Speed A/T

DTC P1855:

Factory service manual diagram


01J, Constantly Variable Transmission (CVT)



Factory service manual diagram




P1855 Databus drive 10); Monitoring software status

Note on DTC 18263/P1855:
^ The exchange of data and information between the Engine Control Module (ECM), ABS control module, Transmission Control Module (TCM) and instrument cluster is carried out over what is called a CAN bus. All information signals are transmitted over 2 leads.


Supporting Diagrams & Locations

Reference material from the factory manual for this diagnostic procedure.

Diagram

1.8L

Diagram

3.0L

Diagram

1.8L

Diagram

3.0L

Diagram

1.8L

Diagram

3.0L

Location

1.8L (Engine Code: AMB)

Location

2.0L (Engine Codes: BGP, BWT)

Location

2.7L (2002 S4 - Engine Code: APB)

Location

3.0L (Engine Codes: AVK, BGN)

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