2010 Porsche Cayenne S (9PA) V8-4.8L A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 77
- Adaptation performed
- Vehicle is stationary
- No gear selected, selector lever in N or P
- Intake air temperature > 5 锟斤拷C (41 锟斤拷F)
- Engine idling,
- then short rev-up,
- then engine speed > 2,200 rpm
Possible fault causes
- Throttle valve adjusting unit iced up
- Throttle valve adjusting unit faulty
P1550
P1550
Diagnosis information - DME V8 DFI
Control unit function monitoring
Diagnostic conditions
- Switch on ignition > 10 sec.
- Then engine idling > 30 sec.
- then engine speed > 1,000 rpm for > 60 sec.
- Vehicle is stationary
Possible fault causes
- DME (DFI) control unit faulty
P1552
P1552
Diagnosis information - DME V8 DFI
Control unit function monitoring
Diagnostic conditions
- Switch on ignition > 10 sec.
- Then engine idling > 30 sec.
- then engine speed > 1,000 rpm for > 60 sec.
- Vehicle is stationary
Possible fault causes
- DME (DFI) control unit faulty
P1556
P1556
Diagnosis information - DME V8 DFI
Control unit faulty
Diagnostic conditions
- Switch on ignition > 10 sec.
- Then engine idling > 30 sec.
- Then engine speed > 1000 rpm for > 60 sec. with vehicle stationary
- Then driving for > 60 sec.
Possible fault causes
- DME (DFI) control unit faulty
P1557
P1557
Diagnosis information - DME V8 DFI
Control unit faulty
Diagnostic conditions
- Switch on ignition > 10 sec.
- Then engine idling > 30 sec.
- Then engine speed > 1000 rpm for > 60 sec. with vehicle stationary
- Then driving for > 60 sec.