P1623

Factory Manual References

Factory service manual diagnostic procedure for 2007 audi a4

01J, Continuously Variable Transmission (CVT)



DTC 18031 / P1623 - 01J, Continuously Variable Transmission (CVT)

Factory service manual diagram




10) The data bus is also described as a CAN bus.
11) Software status of Engine Control Module (ECM), ABS and Transmission Control Module (TCM) or instrument cluster do not match, or an incorrect Transmission Control Module could also have been installed.

Notes on DTC 18031 / P1623
^ 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 the CAN bus. All information signals are transmitted over 2 leads.
^ The Transmission Control Module (TCM) can send signals and data, but it cannot receive anything.

01J, Continuously Variable Transmission (CVT)



DTC 18031 / P1623 - 01J, Continuously Variable Transmission (CVT)

Factory service manual diagram




10) The data bus is also described as a CAN bus.
11) Software status of Engine Control Module (ECM), ABS and Transmission Control Module (TCM) or instrument cluster do not match, or an incorrect Transmission Control Module could also have been installed.

Notes on DTC 18031 / P1623
^ 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 the CAN bus. All information signals are transmitted over 2 leads.
^ The Transmission Control Module (TCM) can send signals and data, but it cannot receive anything.

01J, Continuously Variable Transmission (CVT)



DTC 18031 / P1623 - 01J, Continuously Variable Transmission (CVT)

Factory service manual diagram




10) The data bus is also described as a CAN bus.
11) Software status of Engine Control Module (ECM), ABS and Transmission Control Module (TCM) or instrument cluster do not match, or an incorrect Transmission Control Module could also have been installed.

Notes on DTC 18031 / P1623
^ 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 the CAN bus. All information signals are transmitted over 2 leads.
^ The Transmission Control Module (TCM) can send signals and data, but it cannot receive anything.

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)