Fault code 1517: Diagnosis/troubleshooting
NOTE:
If there is no incoming signal/message via CAN comfort using several control modules, CAN comfort must be checked for open or short circuits. Refer to 'CHECKING INSTRUCTIONS/CAN DATA BUS
'.
DIAGNOSIS/TROUBLESHOOTING CHART
| Work instruction | Display OK | If not OK | |
|---|---|---|---|
| 1 | Read out fault memory for AHK control module (fault localization) | To localize further faults, please follow the diagnosis/troubleshooting instructions for the Trailer hitch
control module, refer to TRAILER HITCH FAULT OVERVIEW
. → End |
|
| 2 | CHECKING INSTRUCTIONS/CAN DATA BUS . | → End | |
| 3 | Replace AHK control module (if fault type is 'faulty') | → End | |