OBD (II) - P1097 - P2089

P1097
- Mass air flow in front of throttle (HFM1) implausible (too low)
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1098
- Mass air flow in front of throttle (HFM1) implausible (too high)
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1099
- Mass air flow in front of throttle (HFM2) implausible (too low)
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1100
- Mass air flow in front of throttle (HFM2) implausible (too high)
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1107
- Oxygen sensing adaptation, lower load range, bank 1 (FRAU1) - below limit value
P1108
- Oxygen sensing adaptation, lower load range, bank 2 (FRAU2) - below limit value
P1126
- Oxygen sensing adaptation, lower load range, bank 1 (FRAU1) - above limit value
P1127
- Oxygen Sensing Error by means of Short Test, Bank 1 - Below Limit
  - Diagnostic conditions
  - Possible fault cause
- Diagnosis/troubleshooting
P1133
- Oxygen sensing adaptation, lower load range, bank 2 (FRAU2) - above limit value
P1134
- Oxygen Sensing Error by means of Short Test, Bank 2 - Below Limit
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1142
- Oxygen Sensing Error by means of Short Test, Bank 1 - Above Limit
P1143
- Oxygen Sensing Error by means of Short Test, Bank 2 - Above Limit
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1145
- Oxygen Sensor Ahead of TWC, Bank 1 - Above Limit
  - Diagnosis conditions
  - Possible fault cause
- Diagnosis/troubleshooting
P1155
- Oxygen Sensor Ahead of TWC, Bank 2 - Above Limit
  - Diagnosis conditions
  - Possible fault cause
- Diagnosis/troubleshooting
P1175
- Intake air temperature sensor - over limit value
- Diagnosis/troubleshooting
  - MAF sensor
  - Boost-pressure sensor
P1180
- Positive Crankcase Ventilation Heater Output Stage - Above Limit
- Diagnosis/troubleshooting
P1181
- Positive Crankcase Ventilation Heater Output Stage - Below Limit
- Diagnosis/troubleshooting
P1182
- Positive Crankcase Ventilation Output Stage - Open Circuit
- Diagnosis/troubleshooting
P1266
- Fuel Shutoff Function Monitor - Signal Implausible
- Diagnosis/troubleshooting
P1385
- Knock Control Offset - Signal Implausible
  - Diagnosis conditions
  - Possible fault cause
- Diagnosis/troubleshooting
P1386
- Knock Control Test Pulses - Signal Implausible
  - Diagnosis conditions
  - Possible fault cause
- Diagnosis/troubleshooting
P1427
- Brake Booster Pump Relay Output Stage - Above Limit
- Diagnosis/troubleshooting
P1428
- Brake Booster Pump Relay Output Stage - Below Limit
- Diagnosis/troubleshooting
P1429
- Brake Booster Pump Relay Output Stage - Open Circuit
- Diagnosis/troubleshooting
P1431
- Brake booster system - signal implausible
P1504
- Throttle Adjusting Unit, Emergency Air Position - Signal Implausible
- Diagnosis/troubleshooting
P1507
- Throttle Adjusting Unit, Gain Adjustment - Signal Implausible
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1508
- Torque Comparison Function Monitor - Signal Implausible
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1509
- Torque Limiter - Above Limit
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1511
- Throttle Adjusting Unit: Abortion of Test due to Negative Influence on Ambient Condition - Below Limit
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1514
- Throttle Adjusting Unit, Re-Learn Lower Mechanical Stop - Signal Implausible
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1517
- Throttle Adjusting Unit: Abortion of Test due to Negative Influence on Ambient Condition - Above Limit
P1525
- Vehicle Electrical System Voltage via Main Relay - Signal Implausible/Open Circuit
- Diagnosis/troubleshooting
P1550
- Engine Speed Function Monitor - Signal Implausible
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1551
- Load Sensor Function Monitor - Signal Implausible
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1552
- Control Module Fault Group a Function Monitor - Signal Implausible
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1553
- Control Module Fault Group b Function Monitor - Signal Implausible
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1554
- Accelerator Module Function Monitor - Signal Implausible
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1575
- Accelerator Module Movement - Signal Implausible
- Diagnosis/troubleshooting
P1600
- CAN Timeout, PSM - No Signal
- Diagnosis/troubleshooting
P1601
- CAN Timeout, Instrument Cluster - No Signal
- Diagnosis/troubleshooting
P1603
- CAN Timeout, Airbag - No Signal
- Diagnosis/troubleshooting
P1604
- CAN Airbag - Implausible Signal from Airbag
- Diagnosis/troubleshooting
P1605
- CAN Timeout - Four-Wheel Drive - Message
- Diagnosis/troubleshooting
P1606
- CAN Timeout, ASR/MSR
- Diagnosis/troubleshooting
P1608
- CAN Timeout, Cruise Control
- Diagnosis/troubleshooting
P1609
- Internal CAN Fault
- Diagnosis/troubleshooting
P1610
- CAN Timeout, Climate Control
- Diagnosis/troubleshooting
P1613
- CAN Timeout, Vehicle Electrical System Control Module
- Diagnosis/troubleshooting
P1614
- CAN Timeout, Steering Angle Sensor
- Diagnosis/troubleshooting
P1615
- CAN Timeout, Level Control
- Diagnosis/troubleshooting
P1616
- CAN Timeout, Ignition Lock
- Diagnosis/troubleshooting
P1620
- Crash Signal Monitoring - Signal Implausible/No Signal/Above Limit
  - Diagnostic conditions
  - Possible cause of fault
- Diagnosis/troubleshooting
P1621
- CAN Timeout, Tiptronic - Message Counter
- Diagnosis/troubleshooting
P1622
- CAN Timeout, Tiptronic - Signal Implausible
- Diagnosis/troubleshooting
P1657
- Overrun Recirculating Air Solenoid Valve Output Stage - Open Circuit
- Diagnosis/troubleshooting
P1658
- Overrun Recirculating Air Solenoid Valve Output Stage - Above Limit
- Diagnosis/troubleshooting
P1659
- Overrun Recirculating Air Solenoid Valve Output Stage - Below Limit
- Diagnosis/troubleshooting
P1666
- Overrun Recirculating Air Valve - Signal Implausible
- Diagnosis/troubleshooting
P1912
- Brake Booster Pressure Sensor - Above Limit
- Diagnosis/troubleshooting
P1913
- Brake Booster Pressure Sensor - Below Limit
- Diagnosis/troubleshooting
P1914
- Brake Booster Pressure Sensor - Signal Implausible/No Signal
- Diagnosis/troubleshooting
P1915
- Additional Water Pump Relay Output Stage - Above Limit
- Diagnosis/troubleshooting
P1916
- Additional Water Pump Relay Output Stage - Below Limit
- Diagnosis/troubleshooting
P1917
- Notes
- Additional Water Pump Relay Output Stage - Open Circuit
- Diagnosis/troubleshooting
P2088
- Inlet Camshaft Output Stage, Bank 1 - Below Limit
- Diagnosis/troubleshooting
P2089
- Inlet Camshaft Output Stage, Bank 1 - Above Limit/Open Circuit
- Diagnosis/troubleshooting