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Fault code 1299: 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.
DIAGNOSIS/TROUBLESHOOTING CHART

Work instruction Display OK If not OK
1 Read out fault memory for gateway (for fault localization). For further fault localization, please follow the diagnosis/troubleshooting instructions for the gateway, refer to DIAGNOSIS/TROUBLESHOOTING .
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2 CHECKING INSTRUCTIONS/CAN DATA BUS . โ†’ End