2010 Porsche Cayenne S (9PA) V8-4.8L A L L Diagnostic Trouble Codes ( DTC ): P Code Charts Page 11
- Vehicle not moving
- Engine not loaded
- Engine temperature > -10 锟斤拷C (14 锟斤拷F)
- No tank ventilation or tank ventilation diagnosis
- No secondary air diagnosis
- Altitude correction factor > 0.75 (altitude below 2450 m)
- No fault for speed signal, throttle potentiometer, engine temperature, intake air temperature, tank vent or tank ventilation system
Possible fault causes
- poor fuel quality
- Air cleaner blocked/frozen
- Air guide between air cleaner and throttle valve blocked
- Secondary unit sluggish
- Exhaust system blocked
P0051
P0051
Diagnosis information - DME V8 DFI
Driver for oxygen sensor heater ahead of catalytic converter, bank 2
NOTE: Do not use contact spray on the oxygen sensor's plug connections as this will result in irreparable damage to the lines (blockage of
reference air duct).
NOTE: Do not interchange the oxygen sensor ahead of catalytic converter with the sensor behind the catalytic converter as this will result in
implausible fault entries.
Diagnostic conditions
- Vehicle voltage > 9 V
- Engine running > 10 seconds
Possible fault causes
- Short circuit to B+
- Short circuit to ground
- Open circuit in line
- Fuse FE 17 faulty (fuse carrier in plenum panel E-box)
- Loose contact in connector
- Oxygen sensor faulty
Affected contacts on the DME control unit connector
Connector [A]:
- Contact 46
Affected contacts on the oxygen sensor connector behind catalytic converter, bank 2:
- Contact 3
P0052
P0052
Diagnosis information - DME V8 DFI
Driver for oxygen sensor heater ahead of catalytic converter, bank 2
NOTE: Do not use contact spray on the oxygen sensor's plug connections as this will result in irreparable damage to the lines (blockage of
reference air duct).
NOTE: Do not interchange the oxygen sensor ahead of catalytic converter with the sensor behind the catalytic converter as this will result in
implausible fault entries.
Diagnostic conditions
- Vehicle voltage > 9 V
- Engine running > 10 seconds
Possible fault causes
- Short circuit to B+
- Short circuit to ground
- Open circuit in line
- Fuse FE 17 faulty (fuse carrier in plenum panel E-box)
- Loose contact in connector