Opel astra engine foult code

12      Initiation of diagnosis.      n/a
13     Oxygen sensor     No change in voltage/open circuit.
14     Coolant Temperature Sensor (CTS)     Low voltage
15     Coolant Temperature Sensor (CTS)     High voltage
16     Knock signal circuit     n/a
18     Knock control processor     n/a
19     Crank Angle Sensor (CAS)     Incorrect RPM signal
21     Throttle Potentiometer Sensor (TPS)     High voltage
22     Throttle Potentiometer Sensor (TPS)     Low voltage
24     Vehicle Speed Sensor (VSS)     No speed signal or low voltage
25     Injector valve     Low voltage
28     Fuel pump relay contacts     Contact problem
29     Fuel pump relay     Low voltage
32     Fuel pump relay     High voltage
33     Manifold Absolute Pressure (MAP) sensor     High voltage
34     Manifold Absolute Pressure (MAP) sensor     Low voltage
35     Idle stepper motor     Poor or no idle speed control
41     Amplifier control signal, cylinders 2 and 3 (Direct Ignition System (DIS))     High voltage
42     Amplifier control signal, cylinders 1 and 4 (Direct Ignition System (DIS))     High voltage
43     Primary ignition (distributor systems)     High voltage
44     Oxygen sensor     Air/Fuel mixture too lean (weak)
45     Oxygen sensor     Air/Fuel mixture too rich
46     Amplifier (Direct Ignition System (DIS)) control signal (A+B)     High voltage
47     Linear exhaust gas re-circulation (EGR) position     n/a
49     Battery supply to Engine Control Unit (ECU)     High voltage (greater than 17 volts)
51     Engine Control Unit (ECU)     Defective ECU (disconnect and reconnect (ECU), then recheck for fault codes). Memory failure
52     Secondary air pump relay     Low voltage
53     Secondary air pump relay     High voltage
54     Idle Carbon Monoxide (CO) potentiometer     n/a
55     Engine Control Unit (ECU) fault     Renew Engine Control Unit (ECU)
56     Air control soleniod     Low voltage
57     Air control soleniod     High voltage
61     Fuel tank vent valve (FTVV)     Low voltage
62     Fuel tank vent valve (FTVV)     High voltage
63     Amplifier control signal, cylinders 2 and 3 (Direct Ignition System (DIS))     Low voltage
64     Amplifier control signal, cylinders 1 and 4 (Direct Ignition System (DIS))     Low voltage
65     Primary ignition (distributor systems)     Low voltage
66     Throttle position sensor (TPS)     Hose broken
67     Air Flow Sensor (AFS), hot wire meter (air mass meter)     Signal is outside normal operation parameters (out of range)
68     Air Flow Sensor (AFS), hot wire meter (air mass meter)     Faulty air mass meter signal, incorrect frequency
69     Air Temperature Sensor (ATS) (MPi only)     Low voltage
71     Air Temperature Sensor (ATS) (MPi only)     High voltage
72     Amplifier (Direct Ignition System (DIS)) control signal (A+B)     Lead interruption, open circuit
75     Torque control (Automatic Transmission (AT) only)     Low voltage
76     Torque control (Automatic Transmission (AT) only)     Continuous
81     Injector valve     High voltage
83     Immobiliser     No or wrong code
84     Immobiliser     No signal
85     Immobiliser     Wrong signal
87     Air conditioning cut-off relay     Low voltage
88     Air conditioning cut-off relay     High voltage
92     Camshaft sensor     Faulty hall effect sensor or circuit
93     Quad drive module (in ECU)     n/a

Siemens Simtec 56.0/56.1 ECU Fault Codes

      Siemens Simtec 56.0/56.1 Code Chart:     To the top    
Code:     Item:    

Fault:
12     Initiation of diagnosis.     n/a
13     Oxygen sensor     Open circuit
14     Coolant temperature sensor     Voltage low
15     Coolant temperature sensor     Voltage high
16     Knock sensor signal circuit     No change in voltage
19     Incorrect Revs per Minute (RPM) signal (crankshaft sensor)     Incorrect signal, check sensor
21     Throttle position sensor (TPS)     Voltage high
22     Throttle position sensor (TPS)     Voltage low
23     Knock control module signal     Out of range
24     Vehicle speed signal (VSS)     No signal
25     Injector valve 1     Voltage high
26     Injector valve 2     Voltage high
27     Injector valve 3     Voltage high
28     Injector valve 4     Voltage high
37     Check light (fault code lamp)     Voltage low
38     Oxygen sensor circuit     Voltage high
39     Oxygen sensor circuit     Voltage low
44     Oxygen sensor     Lean exhaust (weak mixture)
45     Oxygen sensor     Rich exhaust (rich mixture)
48     Battery     Voltage low
49     Battery     Voltage high
52     Check light (fault code lamp)     Voltage high
53     Fuel pump relay     Voltage low
54     Fuel pump relay     Voltage high
55     Engine Control Unit (ECU) faulty     Check chassis earth and ECU connector.
56     Idle air control     Voltage high
57     Idle air control     Voltage low
61     Fuel tank vent valve     Voltage low
62     Fuel tank vent valve     Voltage high
69     Intake air temperature sensor     Voltage low
71     Intake air temperature sensor     Voltage high
73     Mass air flow temperature     Voltage low
74     Mass air flow temperature     Voltage high
75     Torque control (automatic)     Voltage low
76     Torque control (automatic)     Continuous signal, ignition retard long
81     Injector valve 1     Voltage low. Injector short circuit to ground.
82     Injector valve 2     Voltage low. Injector short circuit to ground.
83     Injector valve 3     Voltage low. Injector short circuit to ground.
84     Injector valve 4     Voltage low. Injector short circuit to ground.
87     Air Conditioning (A/C) cut-off relay     Voltage low
88     Air Conditioning (A/C) cut-off relay     Voltage high
91     Oxygen sensor heater     Voltage high
92     Camshaft sensor     Incorrect signal
98     Oxygen sensor heater     Voltage low, open circuit