P17A3
Diagnosis information - PDK
2010 Porsche Cayman S (987) F6-3.4L Page 24
Pressure regulator 3 (lubrication pressure/cooling pressure), shunt
Diagnostic conditions
The control unit initially tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are
then tested and any faults are stored.
- Ignition on
- The following fault is not detected: P0968
- The following fault is not detected: P0970
- The following fault is not detected: P0971
Possible fault causes
- Shunt circuit in line between pressure regulator 3 and PDK control unit
- Pressure regulator 3 faulty
- PDK control unit faulty
Fault setting conditions
- Actual pressure regulator current < setpoint current (maximum deviation = 35 mA)
Fault effects
- Power supply switch-off, pressure regulator clutch 2
- Power supply switch-off, pressure regulator for lubrication pressure
- Pressure regulator clutch 2, switch-off
- Pressure regulator lubrication pressure, switch-off
- Only gears 1, 3, 5, 7 and R are possible
- Upward limitation of cooling control pressure
- Last gear held
- Transmission limp-home indication in instrument cluster control unit
With P17A3
P17A3
Diagnosis information - PDK
Pressure regulator 3 (lubrication pressure/cooling pressure), shunt
Diagnostic conditions
The control unit initially tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are
then tested and any faults are stored.
- Ignition on
- The following fault is not detected: P0968
- The following fault is not detected: P0970
- The following fault is not detected: P0971
Possible fault causes
- Shunt circuit in line between pressure regulator 3 and PDK control unit
- Pressure regulator 3 faulty
- PDK control unit faulty
Fault setting conditions
- Actual pressure regulator current > setpoint current (maximum deviation = 35 mA)
Fault effects
- Power supply switch-off, pressure regulator clutch 2
- Power supply switch-off, pressure regulator for lubrication pressure
- Pressure regulator clutch 2, switch-off
- Pressure regulator lubrication pressure, switch-off
- Only gears 1, 3, 5, 7 and R are possible
- Upward limitation of cooling control pressure
- Last gear held
- Transmission limp-home indication in instrument cluster control unit
Pressure Regulator 3 (Lubrication Pressure/Cooling Pressure), Short Circuit To Ground
P17A3
Diagnosis information - PDK
Pressure regulator 3 (lubrication pressure/cooling pressure), short circuit to ground
2010 Porsche Cayman S (987) F6-3.4L Page 25
Diagnostic conditions
The control unit initially tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are
then tested and any faults are stored.
- Ignition on
- The following fault is not detected: P1831
- The following fault is not detected: P1839
Possible fault causes
- Line between pressure regulator 3 and PDK control unit, short circuit to ground
- Pressure regulator 3 faulty
- PDK control unit faulty
Fault setting conditions
- Internal current measurement, actuator solenoid R/P: current consumption = 0 mA
- Pressure regulator 3, internally measured control current = 0 mA
- Pressure regulator 3, measured voltage = 0 V
Fault effects
- Power supply switch-off for pressure regulator
- Pressure regulator clutch 2, switch-off
- Pressure regulator for lubrication pressure, switch-off
- Engaged gear is held until vehicle stops.
- Moving off possible only in 3rd gear
- Transmission limp-home indication in instrument cluster control unit
Pressure Regulator 3 (Lubrication Pressure/Cooling Pressure), Short Circuit To B+
P17A3
Diagnosis information - PDK
Pressure regulator 3 (lubrication pressure/cooling pressure), short circuit to B+
Diagnostic conditions
The control unit initially tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are
then tested and any faults are stored.
- Ignition on
- The following fault is not detected: P1831
- The following fault is not detected: P1839
Possible fault causes
- Line between pressure regulator 3 and PDK control unit, short circuit to B+
- Pressure regulator 3 faulty
- PDK control unit faulty
Fault setting conditions
- Internal current measurement, actuator solenoid R/P: current consumption = 0 mA
- Pressure regulator 3, control current > 850 mA
Fault effects
- Pressure regulator for lubrication pressure, switch-off
- Transmission limp-home indication in instrument cluster control unit
Pressure Regulator 3 (Lubrication Pressure/Cooling Pressure), Open Circuit
P17A3
Diagnosis information - PDK
Pressure regulator 3 (lubrication pressure/cooling pressure), open circuit
Diagnostic conditions
The control unit initially tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are
then tested and any faults are stored.
- Ignition on
- The following fault is not detected: P1831
- The following fault is not detected: P1839
- Pressure regulator 3 active
2010 Porsche Cayman S (987) F6-3.4L Page 26
Fault setting conditions
- Internal current measurement, pressure regulator 3: current consumption = 0 mA
- Line resistance between pressure regulator 3 and PDK control unit > 1 MOhm
Possible fault causes
- Line between pressure regulator 3 and PDK control unit faulty
- Pressure regulator 3 faulty
- PDK control unit faulty
Fault effects
- Lubrication pressure control switch-off
- Pressure regulator for lubrication pressure, switch-off
- Torque limitation
- Transmission limp-home indication in instrument cluster control unit
Setpoint Definitions
P17A3
Setpoint definitions
NOTE: The specified values and value ranges correspond to the OK state in each case.
Line test setpoints
Short circuit to B+:
- Setpoint voltage - 0.5 V --> + 0.5 V
Short circuit to ground:
- Setpoint resistance > 0.9 MOhm
Open circuit:
- Setpoint resistance < 2 Ohm
NOTE: The specified values apply only at an ambient temperature of approx. 20 °C (68 °F) (room temperature).
Pressure regulator setpoints
- Internal resistance > 3.7 --> < 6.4 Ohm
With P17AC
Diagnosis information - PDK
2010 Porsche Cayman S (987) F6-3.4L Page 24
Pressure regulator 3 (lubrication pressure/cooling pressure), shunt
Diagnostic conditions
The control unit initially tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are
then tested and any faults are stored.
- Ignition on
- The following fault is not detected: P0968
- The following fault is not detected: P0970
- The following fault is not detected: P0971
Possible fault causes
- Shunt circuit in line between pressure regulator 3 and PDK control unit
- Pressure regulator 3 faulty
- PDK control unit faulty
Fault setting conditions
- Actual pressure regulator current < setpoint current (maximum deviation = 35 mA)
Fault effects
- Power supply switch-off, pressure regulator clutch 2
- Power supply switch-off, pressure regulator for lubrication pressure
- Pressure regulator clutch 2, switch-off
- Pressure regulator lubrication pressure, switch-off
- Only gears 1, 3, 5, 7 and R are possible
- Upward limitation of cooling control pressure
- Last gear held
- Transmission limp-home indication in instrument cluster control unit
With P17A3
P17A3
Diagnosis information - PDK
Pressure regulator 3 (lubrication pressure/cooling pressure), shunt
Diagnostic conditions
The control unit initially tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are
then tested and any faults are stored.
- Ignition on
- The following fault is not detected: P0968
- The following fault is not detected: P0970
- The following fault is not detected: P0971
Possible fault causes
- Shunt circuit in line between pressure regulator 3 and PDK control unit
- Pressure regulator 3 faulty
- PDK control unit faulty
Fault setting conditions
- Actual pressure regulator current > setpoint current (maximum deviation = 35 mA)
Fault effects
- Power supply switch-off, pressure regulator clutch 2
- Power supply switch-off, pressure regulator for lubrication pressure
- Pressure regulator clutch 2, switch-off
- Pressure regulator lubrication pressure, switch-off
- Only gears 1, 3, 5, 7 and R are possible
- Upward limitation of cooling control pressure
- Last gear held
- Transmission limp-home indication in instrument cluster control unit
Pressure Regulator 3 (Lubrication Pressure/Cooling Pressure), Short Circuit To Ground
P17A3
Diagnosis information - PDK
Pressure regulator 3 (lubrication pressure/cooling pressure), short circuit to ground
2010 Porsche Cayman S (987) F6-3.4L Page 25
Diagnostic conditions
The control unit initially tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are
then tested and any faults are stored.
- Ignition on
- The following fault is not detected: P1831
- The following fault is not detected: P1839
Possible fault causes
- Line between pressure regulator 3 and PDK control unit, short circuit to ground
- Pressure regulator 3 faulty
- PDK control unit faulty
Fault setting conditions
- Internal current measurement, actuator solenoid R/P: current consumption = 0 mA
- Pressure regulator 3, internally measured control current = 0 mA
- Pressure regulator 3, measured voltage = 0 V
Fault effects
- Power supply switch-off for pressure regulator
- Pressure regulator clutch 2, switch-off
- Pressure regulator for lubrication pressure, switch-off
- Engaged gear is held until vehicle stops.
- Moving off possible only in 3rd gear
- Transmission limp-home indication in instrument cluster control unit
Pressure Regulator 3 (Lubrication Pressure/Cooling Pressure), Short Circuit To B+
P17A3
Diagnosis information - PDK
Pressure regulator 3 (lubrication pressure/cooling pressure), short circuit to B+
Diagnostic conditions
The control unit initially tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are
then tested and any faults are stored.
- Ignition on
- The following fault is not detected: P1831
- The following fault is not detected: P1839
Possible fault causes
- Line between pressure regulator 3 and PDK control unit, short circuit to B+
- Pressure regulator 3 faulty
- PDK control unit faulty
Fault setting conditions
- Internal current measurement, actuator solenoid R/P: current consumption = 0 mA
- Pressure regulator 3, control current > 850 mA
Fault effects
- Pressure regulator for lubrication pressure, switch-off
- Transmission limp-home indication in instrument cluster control unit
Pressure Regulator 3 (Lubrication Pressure/Cooling Pressure), Open Circuit
P17A3
Diagnosis information - PDK
Pressure regulator 3 (lubrication pressure/cooling pressure), open circuit
Diagnostic conditions
The control unit initially tests internal function sequences when the ignition is switched on (terminal 15). If they are OK, all diagnosable outputs are
then tested and any faults are stored.
- Ignition on
- The following fault is not detected: P1831
- The following fault is not detected: P1839
- Pressure regulator 3 active
2010 Porsche Cayman S (987) F6-3.4L Page 26
Fault setting conditions
- Internal current measurement, pressure regulator 3: current consumption = 0 mA
- Line resistance between pressure regulator 3 and PDK control unit > 1 MOhm
Possible fault causes
- Line between pressure regulator 3 and PDK control unit faulty
- Pressure regulator 3 faulty
- PDK control unit faulty
Fault effects
- Lubrication pressure control switch-off
- Pressure regulator for lubrication pressure, switch-off
- Torque limitation
- Transmission limp-home indication in instrument cluster control unit
Setpoint Definitions
P17A3
Setpoint definitions
NOTE: The specified values and value ranges correspond to the OK state in each case.
Line test setpoints
Short circuit to B+:
- Setpoint voltage - 0.5 V --> + 0.5 V
Short circuit to ground:
- Setpoint resistance > 0.9 MOhm
Open circuit:
- Setpoint resistance < 2 Ohm
NOTE: The specified values apply only at an ambient temperature of approx. 20 °C (68 °F) (room temperature).
Pressure regulator setpoints
- Internal resistance > 3.7 --> < 6.4 Ohm
With P17AC