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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Anti-Lock Brake System (Abs) - PSM 5.3/5/7 Diagnosis - 911 CARRERA (996) >> Fault code 5024 >> Diagnosis/troubleshooting

Fault code 5024: Diagnosis/troubleshooting

NOTE:
  • Before troubleshooting, read out the fault memory of the Tiptronic 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.
DIAGNOSIS/TROUBLESHOOTING (FAULT CODE 5024)

Work instruction Display OK If not OK
1 Check CAN bus (high) from DME contol unit to PSM control unit for open circuit
  • Switch off ignition
  • Pull plug off PSM control module and Tiptronic control module
  • Measure resistance between DME control module plug pin D36 and PSM control module plug pin (PSM 5.3) pin 61; (PSM 5.7) pin 24
< 5
Step 2
Open circuit between DME control module plug pin D36 and PSM control module plug pin (PSM 5.3) pin 61; (PSM 5.7) pin 24
->End
2 Check CAN bus (low) from DME contol unit to PSM control unit for open circuit
  • Measure resistance between DME control module plug pin D37 and PSM control module plug pin (PSM 5.3) pin 63; (PSM 5.7) pin 40
< 5
Step 3
Open circuit between DME control module plug pin D37 and PSM control module plug (PSM 5.3) pin 63; (PSM 5.7) pin 40
->End
3 Replace Tiptronic control module ->End