Level Control - Diagnostics

Level control
- Introduction
Tools
- Notes
- Battery charging device
- 9588 Porsche System Tester II
- Commercially available digital multimeter
- 9684 Measurement tool set
Component arrangement
Connector assignment
- Level control module
- Wiring harness plug A, 81-pin, level control module
- Wiring harness plug B, 40-pin, level control module (pin assignment includes PASM)
Fault overview
Fault code 0003
- Control unit faulty
- Diagnosis/troubleshooting
Fault code 0135
- Wheel acceleration sensor, front left
Fault code 0136
- Wheel acceleration sensor, front right
Fault code 0139
- Body acceleration sensor, front left
Fault code 0140
- Body acceleration sensor, front right
Fault code 0141
- Rear body acceleration sensor
Fault code 0142
- Damping adjustment valve, front left
Fault code 0143
- Damping adjustment valve, front right
Fault code 0144
- Damping adjustment valve, rear left
Fault code 0145
- Damping adjustment valve, rear right
Fault code 0146
- Power supply for body and wheel acceleration sensor, front right/rear left
Fault code 0147
- Power supply for body/wheel acceleration sensor, front left
Fault code 0149
- No or incorrect basic setting/coding or programming
Fault code 0311
- Tyre filling connection
Fault code 0532
- Power supply
- Diagnosis/troubleshooting
Fault code 0668
- Vehicle voltage, terminal 30
Fault code 0774
- Vehicle level sensor, rear left
Fault code 0775
- Vehicle level sensor, rear right
Fault code 0776
- Vehicle level sensor, front left
Fault code 0778
- Steering-angle sensor
- Diagnosis/troubleshooting
  - Initializing
Fault code 0805
- Spring strut valve, front left
Fault code 0806
- Spring strut valve, front right
Fault code 0807
- Spring strut valve, rear left
Fault code 0808
- Spring strut valve, rear right
Fault code 1042
- Control module not coded
Fault code 1312
- CAN drive
- Diagnosis/troubleshooting
Fault code 1314
- DME control module
- Diagnosis/troubleshooting
Fault code 1316
- PSM control module
- Diagnosis/troubleshooting
Fault code 1397
- Vent solenoid valve
Fault code 1398
- Doors/rear lid signal
Fault code 1399
- Compressor relay
Fault code 1400
- Control position not adjustable
Fault code 1437
- Control position not learned
Fault code 1487
- System function test faulty
Fault code 1575
- Manual control switched off
Fault code 1577
- Overtemperature
Fault code 1598
- Voltage of terminal 30 exceeded/not reached
Fault code 1767
- Power supply for vehicle level sensors, left (front left and rear left)
Fault code 1768
- Power supply for vehicle level sensors, right (front right and rear right)
Fault code 1769
- Vehicle level sensor, front right
Fault code 1770
- Compressor temperature sensor
Fault code 1772
- Pressure transmitter signal lead
Fault code 1773
- Accumulator valve
Fault code 1776
- Selector switch (level control module)
Fault code 1780
- Vehicle level sensor
Fault code 1781
- Extreme vehicle inclination
Fault code 2250
- Valve operating time exceeded
  - Diagnostic conditions
  - Possible cause of fault