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Home >> Porsche >> 2008 >> Cayenne S >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Vehicle Electrical System (BNSG) -- 9PA Cayenne >> Fault code 0576 >> Diagnosis/troubleshooting

Fault code 0576: Diagnosis/troubleshooting

DIAGNOSIS/TROUBLESHOOTING CHART

Work instruction Display OK If not OK
1 Check line for short circuit to B+ 'terminal 15':
  • Switch off ignition
  • Pull out plug 'A' on vehicle electrical system control module:
  • Remove fuse 'F 53' from the fuse carrier on the left.
  • Switch on ignition.
  • Measure voltage between vehicle electric system plug 'A' 'Pin 21' and ground.
 < 0.3 V
Go to Step 2		 Repair / replace wiring harness
→ End
2 Check line for short circuit to ground 'terminal 15':
  • Switch off the ignition.
  • Measure resistance between vehicle electric system plug 'A' 'Pin 21' and ground.
 ∞ Ω
Go to Step 3		 Repair / replace wiring harness
→ End
3 Check line for open circuit 'terminal 15':
  • Measure resistance between vehicle electric system plug 'A' 'Pin 21' and fuse output 'F 53'.
 < 5 Ω
Go to Step 4		 Repair / replace wiring harness
→ End
4 CAN test: Go to Step 5 Repair / replace CAN wiring harness
→ End
5 Replace vehicle electrical system control module
  • Observe note
 → End
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