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Fault overview of P codes

Table with and without OBD II/EOBD 'P-Code', in brackets the associated Porsche fault codes, which are displayed in the 9588 Porsche System Tester II under Tiptronic control unit: 

PORSCHE P CODES

Fault code Fault text Fault effect
P0604 
[16988]		 Internal Control Module Random Access Memory (RAM) Error
[Tiptronic control unit]
  • Limp-home mode 1
P0605 
[16989]		 Internal Control Module Read Memory (ROM) Error
[Tiptronic control unit]
  • Limp-home mode 1
P0613 
[16997]		 TCM Processor
[Tiptronic control unit/CAN drive OFF]
  • Failure of all functions supported by Tiptronic control module
P0614 
[1314]		 ECM/TCM Incompatible
[DME control unit]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • Failure of all functions supported by Tiptronic control module
P0700
[17084]		 Transmission Control System (CE Request)
[Tiptronic control unit]
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Calculation error in Tiptronic control module
P0705 
[0293]		 Transmission Range Sensor Circuit Malfunction (PRNDL Input)
[Multi-function switch (PRND)]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • If the fault '0789 Reversing light switch' is stored at the same time, the Tiptronic control unit switches to limp-home mode 1
  • No self-learning check 'Adaptation'
  • When 'reversing light switch' is not actuated, the Tiptronic control module detects that 'D' is selected
  • When 'reversing light switch' is actuated, the Tiptronic control module detects that 'R' is selected
  • No selector lever lock (shiftlock) check
P0711 
[0300]		 Transmission Fluid Temperature Sensor 'A' Circuit Range/Performance
[ATF temperature sensor]
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • No self-learning check 'Adaptation'
  • A substitute value is used for the oil temperature
  • No slip check on converter jumper clutch
P0712 
[0300]		 Transmission Fluid Temperature Sensor 'A' Circuit Low
[ATF temperature sensor]
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • No self-learning check 'Adaptation'
  • A substitute value is used for the oil temperature
  • No slip check on converter jumper clutch
P0713 
[0300]		 Transmission Fluid Temperature Sensor 'A' Circuit High
[ATF temperature sensor]
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • No self-learning check 'Adaptation'
  • A substitute value is used for the oil temperature
  • No slip check on converter jumper clutch
P0715 
[17099]		 Input/Turbine Speed Sensor 'A' Circuit
[Input shaft speed (turbine speed) inductive pickup]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • If communication with the DME control unit also fails (no engine speed signal)
  • The method used to calculate the input shaft speed changes
  • Rough switching operations during gear change from 'P' to 'N / R / 'D and vice versa when vehicle is stationary
  • No switching from 'P' to 'N'
  • No self-learning check 'Adaptation'
P0716 
[17100]		 Input/Turbine Speed Sensor 'A' Circuit Range/Performance
[Input shaft speed (turbine speed) inductive pickup]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No engine speed signal if communication with the DME control unit also fails
  • The method used to calculate the input shaft speed changes
  • Rough switching operations during gear change from 'P' to 'N / R / D' and vice versa when vehicle is stationary
  • No switching from 'P' to 'N'
  • No self-learning check 'Adaptation'
P0720 
[17104]		 Output Speed Sensor Circuit
[Output shaft speed inductive pickup]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • The method used to calculate the output shaft speed changes
  • Rough switching operations during gear change from 'P' to 'N' and vice versa when vehicle is stationary
  • If ABS function also fails: no check on 'R' position and selector lever lock (shiftlock), speedometer display is '0 km/h'
  • If input shaft speed and ABS function also fail: speedometer display is '0 km/h' in all switching positions
  • No self-learning check 'Adaptation'
P0721 
[17105]		 Output Speed Sensor Circuit Range/Performance
[Output shaft speed inductive pickup]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • The method used to calculate the output shaft speed changes
  • Rough switching operations during gear change from 'P' to 'N' and vice versa when vehicle is stationary
  • If ABS function also fails: no check on 'R' position and selector lever lock (shiftlock), speedometer display is '0 km/h'
  • If input shaft speed and ABS function also fail: speedometer display is '0 km/h' in all switching positions
  • No self-learning check 'Adaptation'
P0725 
[0529]		 Engine Speed Input Circuit
[Engine speed]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • Rough switching operations during gear change from 'P' to 'N / R / D' and vice versa when vehicle is stationary
  • No switching from 'P' to 'N'
  • No self-learning check 'Adaptation'
P0729 
[17113]		 Gear 6 Incorrect Ratio
[Gear '6', incorrect ratio]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 2
  • No self-learning check 'Adaptation'
  • Tiptronic control module sends a signal to the DME control module to limit the torque
P0730 
[17114]		 Incorrect Gear Ratio
[Incorrect gear ratio]
  • Fault display in multi-function display in instrument cluster
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
  • Tiptronic control module sends a signal to the DME control module to limit the torque
P0731 
[17115]		 Gear 1 Incorrect Ratio
[Gear '1', incorrect ratio]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
  • Tiptronic control module sends a signal to the DME control module to limit the torque
P0732 
[17116]		 Gear 2 Incorrect Ratio
[Gear '2', incorrect ratio]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
  • Tiptronic control module sends a signal to the DME control module to limit the torque
P0733 
[17117]		 Gear 3 Incorrect Ratio
[Gear '3', incorrect ratio]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
  • Tiptronic control module sends a signal to the DME control module to limit the torque
P0734 
17118		 Gear 4 Incorrect Ratio
[Gear '4', incorrect ratio]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
  • Tiptronic control module sends a signal to the DME control module to limit the torque
P0735 
[17119]		 Gear 5 Incorrect Ratio
[Gear '5', incorrect ratio]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
  • Tiptronic control module sends a signal to the DME control module to limit the torque
P0743 
[0264]		 Torque Converter Clutch Circuit Electrical
[Shift solenoid valve UK (modulation pressure)]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
  • No check/slip check on converter jumper clutch
  • No neutral check
P0748 
[0268]		 Pressure Control Solenoid 'A' Electrical
[Modulation pressure solenoid valve (main)]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
  • Signal to DME control module to limit the incoming torque (designed to prevent clutch slippage)
P0753 
[0258]		 Shift Solenoid 'A' Electrical
[Shift solenoid valve (S1)]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
P0758 
[0260]		 Shift Solenoid 'B' Electrical
[Shift solenoid valve (S2)]		  
P0798 
[0266]		 Pressure Control Solenoid 'C' Electrical
[Shift solenoid valve C1 (modulation pressure)]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
P0811 
[1192]		 Excessive Clutch Slippage
[Torque converter lockup clutch]
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • No check/slip check on converter jumper clutch
P0840 
[17224]		 Transmission Fluid Pressure Sensor/Switch 'A' Circuit
[Oil pressure switch 1, transmission]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Shift solenoid valve C1 (modulation pressure) jams
  • No self-learning check 'Adaptation'
  • No check/slip check on converter jumper clutch
  • No switching possible (except 'P' and 'N')
  • Torque limited to 300 Nm (222 ftlb.)
  • No neutral check
  • If output shaft speed = 0 rpm, 'gear 3' is held
P0841 
[17225]		 Transmission Fluid Pressure Sensor/Switch 'A' Circuit Range/Performance
[Oil pressure switch 1, transmission]
  • -
P0845 
[17229]		 Transmission Fluid Pressure Sensor/Switch 'B' Circuit
[Oil pressure switch 2, transmission]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • Shift solenoid valve (S1) jams
  • No self-learning check 'Adaptation'
  • No check/slip check on converter jumper clutch
  • No switching possible (except 'P' and 'N')
  • Torque limited to 300 Nm (222 ftlb.)
  • No neutral check
  • If output shaft speed = 0 rpm, 'gear 3' is held
P0846 
[17230]		 Transmission Fluid Pressure Sensor/Switch 'B' Circuit Range/Performance
[Oil pressure switch 2, transmission]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
P0864 
[1312]		 TCM Communication Circuit Range/Performance
[CAN drive]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
  • No check/slip check on converter jumper clutch
  • Torque limit on engine side
  • No neutral check
P0864 
[1314]		 TCM Communication Circuit Range/Performance
[DME control unit]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
  • No check/slip check on converter jumper clutch
  • Torque limit on engine side
  • No neutral check
P0865 
[1312]		 TCM Communication Circuit Low
[CAN drive]
  • Limp-home mode 1
  • Failure of all functions supported by Tiptronic control module
[P1602]  [Battery voltage, terminal 30]
  • -
[P1847] [PSM control unit]
  • No self-learning check 'Adaptation'
  • The last signal received via the CAN drive is used for calculations
P2122 
[0777]		 Throttle/Pedal Position Sensor/Switch 'D' Circuit Low Input
[Accelerator module]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • No self-learning check 'Adaptation'
  • Limited shift function
  • Restricted torque (150 Nm (111 ftlb.)) on engine side
  • Rough switching operations during gear change from 'P' to 'N / R / D' and vice versa when vehicle is stationary
  • Accelerator limited to 50%
P2637 
[1166]		 Torque Management Feedback Signal 'A'
[Engine torque signal]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
  • The last torque signal received via the CAN drive is used for calculations
P2716 
[0348]		 Pressure Control Solenoid 'D' Electrical
[Shift solenoid valve C2 (modulation pressure)]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
P2725 
[0262]		 Pressure Control Solenoid 'E' Electrical
[Shift solenoid valve C3 (modulation pressure)]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
P2734 
[0349]		 Pressure Control Solenoid 'F' Electrical
[Shift solenoid valve B1 (modulation pressure)]
  • Fault display in multi-function display in instrument cluster
  • CE control lamp (Check Engine warning light) in instrument cluster 'ON'
  • Limp-home mode 1
  • No self-learning check 'Adaptation'
  • No switching from 'gear 3' to 'gear 4' and vice versa
  • Torque limited to 50 Nm (37 ftlb.)
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