45-34Fault code 5024 · CAN message missing from Tiptronic

911 Turbo (996) PSM 05 45 45-34Fault code 5024 CAN message missing from Tiptronic Diagnostic conditions • Ignition on • No CAN messages from the Tiptronic control module • Short circuit to ground/voltage or open circuit in circuit to con- trol module terminals 24, 40 Possible cause of fault ♦CAN bus connection faulty ♦Incorrect version coded ♦Tiptronic control module faulty Affected terminals Terminals 24, 40 Diagnosis/troubleshooting Note! ♦Before troubleshooting, read out the fault memory of the Tip- tronic control module and eliminate any faults present. ♦If the fault "39 CAN: DME communication disturbed" is present in the Tiptronic control module, there may be an open circuit in the CAN bus between the DME control module and the Tiptronic. Work instruction Display OK If not OK 1 Check CAN bus from DME ♦Switch off ignition < 5 Ω Open circuit contol unit to PSM control ⇒ Step 2 between DME con- ♦Pull plug off PSM control module unit for open circuit trol module pin D36 and Tiptronic control module and PSM control ♦Measure resistance between module pin 24 DME control module plug pin → End D36 and PSM control module plug pin 24 4503 Fault code 5024 45-34 page 1 Printed in Germany – 5, 2001 5024ps05