Opel Diagnostic Fault Codes

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P1105 Atmospheric pressure sensor
P1106 Pressure Load
P1110 Intake Air Regulator Valve
P1111 Intake Air Control Valve 2
P1112 Electro-valve for shutting down channel 1
P1113 Channel 2 shut-off solenoid valve
P1120 Accelerator pedal sensor 1

P1122 2nd pedal position sensor 2
P1125 The pedal position switch
P1133 The oxygen sensor 1 reacts slowly
P1137 Oxygen Sensor 2
P1138 Oxygen Sensor 2
P1171 Incorrect mixing
P1229 Relay, primary circuit – too strong current
P1230 Main Relay

P1231 Fuel pump relay
P1243 Bypass Valve (Turbo)
P1275 Position sensor for gas pedal 1
P1276 Gas pedal position sensor 1 + 3 different values
P1280 Position of the gas pedal sensor 2
P1300 EOBD malfunction due to low fuel level
P1326 The maximum detonation adjustment value is cylinder 1
P1327 The maximum detonation adjustment value is cylinder 2
P1328 The maximum detonation adjustment value is cylinder 3
P1329 The maximum detonation adjustment value is cylinder 4 –
P1336 Engine RPM (crankshaft position sensor) fault
P1345 Injector, crankshaft or camshaft timing failed
P1380 ABS – Braking error
P1404 EGR valve high return voltage
P1405 Feedback, EGR valve
P1405 EGR System
P1410 Secondary air pump relay
P1481 Fan relay 1
P1482 Fan relay 2
P1483 Fan relay 3
P1490 Additional Cooling Pump Relay
P1500 Throttle Control Valve
P1501 Immobilizer – the encoding is missing or incorrect
P1502 Immobilizer – no signal
P1503 Wrong signal from immobilizer
P1510 No-load sensor
P1512 Incorrect adaption of throttle valve
P1514 Throttle actuator control failure
P1515 Accelerator Pedal Position Sensor
P1516 Throttle control by electronic control unit
P1523 Throttle control by electronic control unit
P1526 Throttle control by electronic control unit
P1530 ​​Air Conditioner Relay Failure
P1540 Air conditioner pressure sensor – signal lost or incorrect
P1565 Incorrect BCM program
P1571 Traction control PWM-Signal
P1574 Brake pedal position
P1599 Engine condition Detected
P1600 Control unit or PROM fault
P1601 Control unit – too high temperature
P1602 Malfunction in the oxygen sensor circuit (Bank 2 Sensor 3)
P1604 Replace the electronic control unit
P1605 Replace the electronic control unit
P1610 Immobilizer not programmed
P1611 Wrong security code entered
P1612 Immobilizer – the signal is lost or incorrect
P1613 Immobilizer – Fault signal
P1614 Wrong security code received
P1615 Incorrect vehicle ID from the central control unit
P1616 Incorrect vehicle ID from the central control unit for instrument management
P1621 EEPROM
P1622 Fuel pump relay – connection problem
P1633 Control unit
P1635 5V voltage 1
P1639 5V voltage 2

P1640 QUAD circuit in the control unit
P1650 “Check engine” lamp
P1680 Engine Temperature Sensor Output
P1681 Trouble shooting error
P1682 Throttle shutter error
P1690 “Check engine” lamp
P1700 “Check engine” lamp
P1740 Torque control
P1813 Torque control – the signal is lost or incorrect
P1845 Torque monitoring