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
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
      • Diagnosis/troubleshooting
• 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
    • Diagnostic conditions
    • Possible cause of fault
    • Affected terminals
  • Diagnosis/troubleshooting
    • MAF sensor
    • Boost-pressure sensor
• P1180
  • Positive Crankcase Ventilation Heater Output Stage - Above Limit
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• P1181
  • Positive Crankcase Ventilation Heater Output Stage - Below Limit
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1182
  • Positive Crankcase Ventilation Output Stage - Open Circuit
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1266
  • Fuel Shutoff Function Monitor - Signal Implausible
    • Diagnostic conditions
    • Possible cause of fault
    • Affected terminals
  • 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
    • Diagnostic conditions
    • Possible cause of fault
    • Affected terminals
  • Diagnosis/troubleshooting
• P1428
  • Brake Booster Pump Relay Output Stage - Below Limit
    • Diagnostic conditions
    • Possible cause of fault
    • Affected terminals
  • Diagnosis/troubleshooting
• P1429
  • Brake Booster Pump Relay Output Stage - Open Circuit
    • Diagnostic conditions
    • Possible cause of fault
    • Affected terminals
  • Diagnosis/troubleshooting
• P1431
  • Brake booster system - signal implausible
    • Diagnosis conditions
    • Possible fault cause
    • Affected terminals
      • Diagnosis/troubleshooting
• P1504
  • Throttle Adjusting Unit, Emergency Air Position - Signal Implausible
    • Diagnostic conditions
    • Possible cause of fault
    • Affected terminals
  • 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
    • Diagnostic conditions
    • Possible cause of fault
    • Diagnosis/troubleshooting
• P1525
  • Vehicle Electrical System Voltage via Main Relay - Signal Implausible/Open Circuit
    • Diagnostic conditions
    • Possible cause of fault
    • Affected terminals
  • 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
    • Diagnostic conditions
    • Possible cause of fault
    • Affected terminals
  • Diagnosis/troubleshooting
• P1600
  • CAN Timeout, PSM - No Signal
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1601
  • CAN Timeout, Instrument Cluster - No Signal
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1603
  • CAN Timeout, Airbag - No Signal
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1604
  • CAN Airbag - Implausible Signal from Airbag
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1605
  • CAN Timeout - Four-Wheel Drive - Message
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1606
  • CAN Timeout, ASR/MSR
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1608
  • CAN Timeout, Cruise Control
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1609
  • Internal CAN Fault
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1610
  • CAN Timeout, Climate Control
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1613
  • CAN Timeout, Vehicle Electrical System Control Module
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1614
  • CAN Timeout, Steering Angle Sensor
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1615
  • CAN Timeout, Level Control
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting
• P1616
  • CAN Timeout, Ignition Lock
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • 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
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• P1622
  • CAN Timeout, Tiptronic - Signal Implausible
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• P1657
  • Overrun Recirculating Air Solenoid Valve Output Stage - Open Circuit
    • Diagnostic conditions
    • Possible cause of fault
    • Affected terminals
  • Diagnosis/troubleshooting
• P1658
  • Overrun Recirculating Air Solenoid Valve Output Stage - Above Limit
    • Diagnosis conditions
    • Possible fault cause
    • Affected terminals
  • Diagnosis/troubleshooting
• P1659
  • Overrun Recirculating Air Solenoid Valve Output Stage - Below Limit
    • Diagnosis conditions
    • Possible fault cause
    • Affected terminals
  • Diagnosis/troubleshooting
• P1666
  • Overrun Recirculating Air Valve - Signal Implausible
    • Diagnostic conditions
    • Possible cause of fault
    • Affected terminals
  • Diagnosis/troubleshooting
• P1912
  • Brake Booster Pressure Sensor - Above Limit
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• P1913
  • Brake Booster Pressure Sensor - Below Limit
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• P1914
  • Brake Booster Pressure Sensor - Signal Implausible/No Signal
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
    • Notes
    • Brake Booster Pressure Sensor - Signal Implausible
    • Brake Booster Pressure Sensor - No Signal
• P1915
  • Additional Water Pump Relay Output Stage - Above Limit
    • Notes
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• P1916
  • Additional Water Pump Relay Output Stage - Below Limit
    • Notes
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• P1917
  • Notes
  • Additional Water Pump Relay Output Stage - Open Circuit
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• P2088
  • Inlet Camshaft Output Stage, Bank 1 - Below Limit
    • Diagnostic conditions
    • Possible cause of fault
    • Affected pins
  • Diagnosis/troubleshooting
• P2089
  • Inlet Camshaft Output Stage, Bank 1 - Above Limit/Open Circuit
    • Diagnosis conditions
    • Possible fault cause
    • Affected pin
  • Diagnosis/troubleshooting