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Home >> Porsche >> 2008 >> Cayenne S >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Vehicle Electrical System (BNSG) -- 9PA Cayenne >> Fault code 0595 >> Diagnosis/troubleshooting

Fault code 0595: Diagnosis/troubleshooting

WARNING: Danger of personal injury due to risk of fire if there are short circuits in wiring harness or leaking fluids when the cutoff relay (to interrupt battery voltage) is actuated.
  • The cutoff relay (to interrupt battery voltage) must only be actuated by trained and authorized staff
  • Damage, abrasions or pinched wires in the wiring harness must be located and either repaired or replaced
  • Short circuits to B+, short circuits to ground and open circuits in the entire wiring harness must be eliminated or repaired
  • Mechanical components must not be damaged in any way that could cause leaking fluids to ignite in the event of a short circuit
NOTE: If there is no incoming signal/message via CAN comfort using several control units, 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 the warning for this fault code: Warning read and instructions complied with!
→ End
Read warning again!
Go to Step 2
2 Read out fault memory in triggering unit for airbag: Process faults present according to instructions, refer to FAULT OVERVIEW, AIRBAG !
→ End
If fault still present, then:
Go to Step 3
3 Deactivate cutoff relay (to interrupt battery voltage) (battery voltage interruption no longer present):
  • Deactivate cutoff relay (to interrupt battery voltage) again (press yellow switch)
Cutoff relay can be deactivated
Go to Step 4
Replace cutoff relay (to interrupt battery voltage)
→ End
4 CHECKING INSTRUCTIONS/CAN DATA BUS . → End