Communication with the APS control unit
â–¶ How to fix
Check the connection to the APS control unit.Check the yellow CAN bus cable harness and connectors. Check the EOL parameter settings in the instrument cluster.For buses with TPM: Ensure that the TPM control unit is in place or replace it with a connector.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
No CAN messages from the APS control unit.
Possible cause
The APS control unit is not connected to the CAN bus. Incorrect parameter settings in the instrument cluster.The TPM control unit is not connected. On buses with TPM, CAN communication to the APS control unit goes via the TPM control unit.