Below are the codes for the Y26SE and Y32SE ECU's (Motronic ME3.11) as used on the 3.2 and 2.6 V6 petrol engines.

Note, many have the codes have multiple causes the details of which will only be displayed on a quality scan tool.

P0100 Mass or volume air flow circuit high input
P0100 Mass or volume air flow circuit low input
P0100 Mass or volume air flow circuit range/performanceProblem
P0110 Intake Air Temperature Circuit High Input
P0110 Intake Air Temperature Circuit Low Input
P0115 Engine Coolant Temperature Circuit High Input
P0115 Engine Coolant Temperature Circuit Low Input
P0115 Engine coolant temperature circuit range/performanceProblem
P0120 Throttle/PedalPosition Incorrect Ratio
P0120 Throttle/pedalPosition sensor/switch "A" circuit high input
P0120 Throttle/pedalPosition sensor/switch "A" circuit low input
P0120 Throttle/pedalPosition sensor/switch "A" circuit range/performanceProblem
P0130 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
P0130 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
P0130 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
P0130 O2 sensor circuit malfunction (Bank 1 Sensor 1)
P0135 O2 Sensor Heater Circuit High Voltage (Bank 1 Sensor 1)
P0135 O2 Sensor Heater Circuit Low Voltage (Bank 1 Sensor 1)
P0135 O2 Sensor Heater Circuit Open (Bank 1 Sensor 1)
P0135 O2 sensor heater circuit malfunction (Bank 1 Sensor 1)
P0136 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
P0136 O2 sensor circuit slow response (Bank 1 Sensor 2)
P0136 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
P0136 O2 sensor circuit malfunction (Bank 1 Sensor 2)
P0141 O2 Sensor Heater Circuit High Voltage (Bank 1 Sensor 2)
P0141 O2 Sensor Heater Circuit Low Voltage (Bank 1 Sensor 2)
P0141 O2 Sensor Heater Circuit Open (Bank 1 Sensor 2)
P0141 O2 sensor heater circuit malfunction (Bank 1 Sensor 2)
P0150 O2 Sensor Circuit High Voltage (Bank 2 Sensor 1)
P0150 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1)
P0150 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
P0150 O2 sensor circuit malfunction (Bank 2 Sensor 1)
P0155 O2 Sensor Heater Circuit High Voltage (Bank 2 Sensor 1)
P0155 O2 Sensor Heater Circuit Low Voltage (Bank 2 Sensor 1)
P0155 O2 Sensor Heater Circuit Open (Bank 2 Sensor 1)
P0155 O2 sensor heater circuit malfunction (Bank 2 Sensor 1)
P0156 O2 sensor circuit malfunction (Bank 2 Sensor 2)
P0156 O2 sensor circuit slow response (Bank 2 Sensor 2)
P0156 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)
P0156 O2 sensor circuit malfunction (Bank 2 Sensor 2)
P0161 O2 Sensor Heater Circuit High Voltage (Bank 2 Sensor 2)
P0161 O2 Sensor Heater Circuit low Voltage (Bank 2 Sensor 2)
P0161 O2 Sensor Heater Circuit Open (Bank 2 Sensor 2)
P0161 O2 sensor heater circuit malfunction (Bank 2 Sensor 2)
P0170 Fuel trim malfunction (Bank 1)
P0173 Fuel trim malfunction (Bank 2)
P0201 Cylinder 1 injector circuit high
P0201 Cylinder 1 injector circuit low
P0201 Cylinder 1 Injector Circuit Open
P0202 Cylinder 2 injector circuit high
P0202 Cylinder 2 injector circuit low
P0202 Cylinder 2 Injector Circuit Open
P0203 Cylinder 3 injector circuit high
P0203 Cylinder 3 injector circuit low
P0203 Cylinder 3 Injector Circuit Open
P0204 Cylinder 4 injector circuit high
P0204 Cylinder 4 injector circuit low
P0204 Cylinder 4 Injector Circuit Open
P0205 Cylinder 5 injector circuit high
P0205 Cylinder 5 injector circuit low
P0205 Cylinder 5 Injector Circuit Open
P0206 Cylinder 6 injector circuit high
P0206 Cylinder 6 injector circuit low
P0206 Cylinder 6 Injector Circuit Open
P0219 Engine overspeed condition
P0220 Throttle/pedalPosition sensor/switch "B" circuit high input
P0220 Throttle/pedalPosition sensor/switch "B" circuit low input
P0220 Throttle/pedalPosition sensor/switch "B" circuit range/performanceProblem
P0230 FuelPumpPrimary Circuit High
P0230 FuelPumpPrimary Circuit Low
P0230 FuelPumpPrimary Circuit Open
P0300 Random/multiple cylinder misfire detected
P0301 Cylinder 1 Misfire Detected
P0302 Cylinder 2 Misfire Detected
P0303 Cylinder 3 Misfire Detected
P0304 Cylinder 4 Misfire Detected
P0305 Cylinder 5 Misfire Detected
P0306 Cylinder 6 Misfire Detected
P0325 Knock sensor 1 circuit high input (Bank 1 or single sensor)
P0325 Knock sensor 1 circuit low input (Bank 1 or single sensor)
P0330 Knock sensor 2 circuit high input (Bank 2)
P0330 Knock sensor 2 circuit low input (Bank 2)
P0335 CrankshaftPosition sensor "A" circuit malfunction
P0340 CamshaftPosition sensor circuit high input
P0340 CamshaftPosition Sensor Signal Missing
P0340 CamshaftPosition Sensor Circuit Range/Performance
P0340 CamshaftPosition sensor circuit low input
P0420 Catalyst System Efficiency Below Threshold (Bank 1)
P0430 Catalyst System Efficiency Below Threshold (Bank 2)
P0443 Evaporative emission control systemPurge control valve circuit shorted
P0443 Evaporative emission control systemPurge control valve circuit shorted
P0443 Evaporative emission control systemPurge control valve circuit open
P0443 Evaporative emission control system gross leak detected
P0460 Fuel Level Sensor Circuit High Input Instrument
P0460 Fuel Level Sensor Circuit Low Input Instrument
P0500 Vehicle speed sensor malfunctionB-009
P0505 Idle control system RPM higher than expected
P0505 Idle control system RPM lower than expected
P0560 System Voltage High Input
P0560 System Voltage Low Input
P0560 System voltage malfunction
P0571 Cruise control/brake switch "A" circuit malfunction
P0602 Control ModuleProgramming Error
P0602 Control ModuleProgram Version Error
P0602 Vehicle Identification Number NotProgrammed
P0602 Variant-Coding NotProgrammed
P0607 Knock Sensor Circuit

P0650 Malfunction Indicator (MI) Control Circuit High Instrument
P0650 Malfunction Indicator (MI) Control Circuit Low Instrument
P0650 Malfunction Indicator (MI) Control Circuit Open Instrument
P0700 Transmission control system range/performance
P0704 Clutch Switch Input Circuit Malfunction
P1110 Intake Manifold Valve 1 Voltage High
P1110 Intake Manifold Valve 1 Voltage Low
P1110 Intake Manifold Valve 1 Open
P1111 Intake Manifold Valve 2 Voltage High
P1111 Intake Manifold Valve 2 Voltage Low
P1111 Intake Manifold Valve 2 Open
P1120 AcceleratorPedalPosition Sensor 1 Incorrect Signal
P1120 AcceleratorPedalPosition Sensor 1 High Input
P1120 AcceleratorPedalPosition Sensor 1 Low Input
P1120 AcceleratorPedalPosition Sensor 1-2 Correlation
P1122 AcceleratorPedalPosition Sensor 2 High Input
P1122 AcceleratorPedalPosition Sensor 2 Low Input
P1122 AcceleratorPedalPosition Sensor 1-2 Correlation
P1300 EOBD Error Because Of Empty Fuel Tank Instrument
P1500 Electronic Throttle Control Motor Failure
P1523 Electronic Throttle Control Malfunction
P1526 Electronic Throttle Control Malfunction
P1530 A/C Relay Voltage HighB-021
P1530 A/C Relay Voltage LowB-021
P1530 A/C Relay Circuit OpenB-021
P1600 Reprogram or Replace Electronic Control Unit (ECU)
P1610 Security Code NotProgrammed Immobiliser
P1611 Wrong Security Code Entered Immobiliser
P1612 Immobiliser No Or Wrong Signal Immobiliser
P1613 Immobiliser No Or Wrong Signal Immobiliser
P1614 Wrong Transponder Key Immobiliser
P1614 Immobiliser Wrong Signal Received Immobiliser
P1614 Immobiliser NotProgrammed Immobiliser
P1650 Service Vehicle Soon Light Voltage High Instrument
P1650 Service Vehicle Soon Light Voltage Low Instrument
P1650 Service Vehicle Soon Light Circuit Open Instrument
P1700 Service Vehicle Soon Request from Transmission Control Module
P1845 Torque Control Voltage High
U2100 CAN-BUS Malfunction
U2101 CAN-BUS Max.- Config.- List notProgrammed
U2104 CAN-BUS Reset Counter Overrun
U2106 CAN-Bus no Communication with Transmission Control Module
U2108 CAN-BUS no Communication with ABS/TC