P1851

Factory Manual References

Factory service manual diagnostic procedure for 2003 audi a4

01J, Constantly Variable Transmission (CVT)



Factory service manual diagram




P1851 Data bus drive 10); Missing Message from ABS control module

Notes on DTC 18259/P1851:
^ Condition for DTC recognition: The Transmission Con to/ Module (TCM) is not receiving a signal from the ABS control module. However, communication with the Engine Con to/ Module (ECM) and the instrument cluster is working.
^ 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 18259 / P1851

Factory service manual diagram




Notes on DTC 18259 / P1851:
^ Condition for DTC recognition: The Transmission Control Module (TCM) is not receiving a signal from the ABS control module. However, communication with the Engine Control Module (ECM) and the instrument cluster is functioning.
^ 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 fines.

01J, Constantly Variable Transmission (CVT)



Factory service manual diagram




P1851 Data bus drive 10); Missing Message from ABS control module

Notes on DTC 18259/P1851:
^ Condition for DTC recognition: The Transmission Con to/ Module (TCM) is not receiving a signal from the ABS control module. However, communication with the Engine Con to/ Module (ECM) and the instrument cluster is working.
^ 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.

Location

00 Software Version Management (SVM), Operating Instructions (GROUP 00, NO. 21-55)

Location

00 Software Version Management (SVM), Operating Instructions (GROUP 00, NO. 21-55)

Location

00 Software Version Management (SVM), Operating Instructions (GROUP 00, NO. 21-55)

Location

00 Software Version Management (SVM), Operating Instructions (GROUP 00, NO. 21-55)

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