BMW 528 diagnostic error code list?

Trouble Code: P0100

Mass or Volume Air Flow Circuit -A- Conditions

Possible Causes:

Mass air flow (MAF) sensor has failed or is damaged

Signal and ground wires of Mass Air Flow (MAF) sensor has short circuited

Trouble Code: P0101

Mass or Volume Air Flow Circuit Range/Performance Conditions

Possible Causes:

Mass air flow (MAF) sensor has failed or is damaged

Signal and ground wires of Mass Air Flow (MAF) sensor has short circuited

Trouble Code: P0111

Intake Air Temperature Sensor Circuit Low Input

Possible Causes:

IAT sensor signal circuit is grounded (check wiring & connector)

Resistance value between sockets 33 and 36 out of range

IAT sensor has an open circuit

IAT sensor is damaged or it has failed

Trouble Code: P0116

ECT Sensor Signal Range/Performance

Possible Causes:

Check for low coolant level or incorrect coolant mixture

DME detects a short circuit wiring in the ECT

CHT sensor is out-of-calibration or it has failed

ECT sensor is out-of-calibration or it has failed

Trouble Code: P0120

Throttle/Pedal Position Sensor (A) Circuit Malfunction

Possible Causes:

TP sensor signal circuit is open (inspect wiring & connector)

TP sensor signal circuit is shorted to ground

TP sensor or module is damaged or it has failed

Throttle valve is damaged or dirty

Throttle valve control module is faulty

Trouble Code: P0125

ECT Sensor Insufficient for Closed Loop Fuel Control

Possible Causes:

Check for low coolant level or incorrect coolant mixture

DME detects a short circuit wiring in the ECT

CHT sensor is out-of-calibration or it has failed

ECT sensor is out-of-calibration or it has failed

Trouble Code: P0130

O2 Sensor Circuit Bank 1 Sensor 1

Possible Causes:

Oxygen sensor heater for oxygen sensor (HO2S) before catalytic converter is faulty

HO2S is contaminated (due to presence of silicone in fuel)

HO2S signal and ground circuit wires crossed in wiring harness

HO2S signal circuit is shorted to sensor or chassis ground

HO2S element before the catalytic converter has failed (internal short condition)

Leaks present in the exhaust manifold or exhaust pipes

Trouble Code: P0133

HO2S (Bank 1 Sensor 1) Circuit Slow Response

Possible Causes:

HO2S before the three-way catalytic converter is contaminated (due to presence of silicone in fuel); Run the engine for three minutes at 3500rpm as a self-cleaning effect

HO2S signal circuit open

Leaks present in the exhaust manifold or exhaust pipes

HO2S is damaged or has failed

Trouble Code: P0134

HO2S (Bank 1 Sensor 1) Circuit No Activity

Possible Causes:

Leaks present in the exhaust manifold or exhaust pipes

HO2S signal wire and ground wire crossed in connector (voltage jumps)

HO2S element is fuel contaminated or has failed

Trouble Code: P0135

HO2S (Bank 1 Sensor 1) Heater Circuit Malfunction

Possible Causes:

HO2S heater power circuit is open or heater ground circuit open

HO2S signal tracking (due to oil or moisture in the connector)

HO2S is damaged or has failed

Trouble Code: P0136

HO2S (Bank 1 Sensor 2) Circuit Malfunction

Possible Causes:

Leaks present in the exhaust manifold or exhaust pipes

HO2S signal wire and ground wire crossed in connector

HO2S element is fuel contaminated or has failed

Trouble Code: P0141

HO2S (Bank 1 Sensor 2) Malfunction

Possible Causes:

Leaks present in the exhaust manifold or exhaust pipes

HO2S signal wire and ground wire crossed in connector

HO2S element is fuel contaminated or has failed

Trouble Code: P0150

HO2S (Bank 2 Sensor 1) Circuit Malfunction

Possible Causes:

Leaks present in the exhaust manifold or exhaust pipes

HO2S signal wire and ground wire crossed in connector

HO2S element is fuel contaminated or has failed

Trouble Code: P0153

HO2S (Bank 2 Sensor 1) Circuit Slow Response

Possible Causes:

HO2S is contaminated (due to presence of silicone in fuel)

Leaks present in the exhaust manifold or exhaust pipes

HO2S is damaged or has failed

Trouble Code: P0154

HO2S (Bank 2 Sensor 1) Circuit No Activity

Possible Causes:

Leaks present in the exhaust manifold or exhaust pipes

HO2S signal wire and ground wire crossed in connector

HO2S element is fuel contaminated or has failed

Trouble Code: P0155

HO2S (Bank 2 Sensor 1) Heater Circuit Malfunction

Possible Causes:

HO2S heater power circuit is open

HO2S heater ground circuit is open

HO2S signal tracking (due to oil or moisture in the connector)

HO2S is damaged or has failed

Trouble Code: P0156

HO2S (Bank 2 Sensor 2) Circuit No Activity

Possible Causes:

Leaks present in the exhaust manifold or exhaust pipes

HO2S signal wire and ground wire crossed in connector

HO2S element is fuel contaminated or has failed

Trouble Code: P0161

HO2S (Bank 2 Sensor 2) Heater Circuit Malfunction

Possible Causes:

HO2S heater power circuit or the heater ground circuit is open

HO2S signal tracking (due to oil or moisture in the connector)

HO2S has failed, or the DME has failed

Trouble Code: P0170

Fuel System Malfunction (Cylinder Bank 1)

Possible Causes:

Air leaks after the MAF sensor, or leaks in the PCV system

Exhaust leaks before or near where the HO2S is mounted

Fuel injector(s) restricted or not supplying enough fuel

Fuel system not supplying enough fuel during high fuel demand conditions (e.g., the fuel pump may not supply enough fuel)

Leaking EGR gasket, or leaking EGR valve diaphragm

MAF sensor dirty (causes DME to underestimate airflow)

Vehicle running out of fuel or engine oil dip stick not seated

Trouble Code: P0173

Fuel System Malfunction (Cylinder Bank 1)

Possible Causes:

Air leaks after the MAF sensor, or leaks in the PCV system

Exhaust leaks before or near where the HO2S is mounted

Fuel injector(s) restricted or not supplying enough fuel

Fuel system not supplying enough fuel during high fuel demand conditions (e.g., the fuel pump may not supply enough fuel)

Leaking EGR gasket, or leaking EGR valve diaphragm

MAF sensor dirty (causes DME to underestimate airflow)

Vehicle running out of fuel or engine oil dip stick not seated

Trouble Code: P0201

Cylinder 1 Injector Circuit Malfunction

Possible Causes:

Injector 1 connector is damaged, open or shorted

Injector 1 control circuit is open, shorted to ground or to power

(the injector driver circuit may be damaged)

Trouble Code: P0202

Cylinder 2 Injector Circuit Malfunction

Possible Causes:

Injector 2 connector is damaged, open or shorted

Injector 2 control circuit is open, shorted to ground or to power

(the injector driver circuit may be damaged)

Trouble Code: P0203

Cylinder 3 Injector Circuit Malfunction

Possible Causes:

Injector 3 connector is damaged, open or shorted

Injector 3 control circuit is open, shorted to ground or to power

(the injector driver circuit may be damaged)

Trouble Code: P0204

Cylinder 4 Injector Circuit Malfunction

Possible Causes:

Injector 4 connector is damaged, open or shorted

Injector 4 control circuit is open, shorted to ground or to power

(the injector driver circuit may be damaged)

Trouble Code: P0205

Cylinder 5 Injector Circuit Malfunction

Possible Causes:

Injector 5 connector is damaged, open or shorted

Injector 5 control circuit is open, shorted to ground or to power

(the injector driver circuit may be damaged)

Trouble Code: P0206

Cylinder 6 Injector Circuit Malfunction

Possible Causes:

Injector 6 connector is damaged, open or shorted

Injector 6 control circuit is open, shorted to ground or to power

(the injector driver circuit may be damaged)

Trouble Code: P0300

Random/Multiple Misfire Detected

Possible Causes:

Fuel metering fault that affects two or more cylinders

Fuel pressure too low or too high, fuel supply contaminated

EVAP system problem or the EVAP canister is fuel saturated

EGR valve is stuck open or the PCV system has a vacuum leak

Ignition system fault (coil, plugs) affecting two or more cylinders

MAF sensor contamination (it can cause a very lean condition)

Vehicle driven while very low on fuel (less than 1/8 of a tank)

Trouble Code: P0301

Cylinder Number 1 Misfire Detected

Possible Causes:

Air leak in the intake manifold, or in the EGR or DME system

Base engine mechanical problem

Fuel delivery component problem (i.e., a contaminated, dirty or sticking fuel injector)

Fuel pump relay defective

Ignition coil fuses have failed

Ignition system problem (dirty damaged coil or plug)

Engine speed (RPM) sensor has failed

Camshaft position sensors have failed

Ignition coil is faulty

Spark plugs are not working properly or are not gapped properly

Trouble Code: P0302

Cylinder Number 2 Misfire Detected

Possible Causes:

Air leak in the intake manifold, or in the EGR or DME system

Base engine mechanical problem

Fuel delivery component problem (i.e., a contaminated, dirty or sticking fuel injector)

Fuel pump relay defective

Ignition coil fuses have failed

Ignition system problem (dirty damaged coil or plug)

Engine speed (RPM) sensor has failed

Camshaft position sensors have failed

Ignition coil is faulty

Spark plugs are not working properly or are not gapped properly

Trouble Code: P0303

Cylinder Number 3 Misfire Detected

Possible Causes:

Air leak in the intake manifold, or in the EGR or DME system

Base engine mechanical problem

Fuel delivery component problem (i.e., a contaminated, dirty or sticking fuel injector)

Fuel pump relay defective

Ignition coil fuses have failed

Ignition system problem (dirty damaged coil or plug)

Engine speed (RPM) sensor has failed

Camshaft position sensors have failed

Ignition coil is faulty

Spark plugs are not working properly or are not gapped properly

Trouble Code: P0304

Cylinder Number 4 Misfire Detected

Possible Causes:

Air leak in the intake manifold, or in the EGR or DME system

Base engine mechanical problem

Fuel delivery component problem (i.e., a contaminated, dirty or sticking fuel injector)

Fuel pump relay defective

Ignition coil fuses have failed

Ignition system problem (dirty damaged coil or plug)

Engine speed (RPM) sensor has failed

Camshaft position sensors have failed

Ignition coil is faulty

Spark plugs are not working properly or are not gapped properly

Trouble Code: P0305

Cylinder Number 5 Misfire Detected

Possible Causes:

Air leak in the intake manifold, or in the EGR or DME system

Base engine mechanical problem

Fuel delivery component problem (i.e., a contaminated, dirty or sticking fuel injector)

Fuel pump relay defective

Ignition coil fuses have failed

Ignition system problem (dirty damaged coil or plug)

Engine speed (RPM) sensor has failed

Camshaft position sensors have failed

Ignition coil is faulty

Spark plugs are not working properly or are not gapped properly

Trouble Code: P0306

Cylinder Number 6 Misfire Detected

Possible Causes:

Air leak in the intake manifold, or in the EGR or DME system

Base engine mechanical problem

Fuel delivery component problem (i.e., a contaminated, dirty or sticking fuel injector)

Fuel pump relay defective

Ignition coil fuses have failed

Ignition system problem (dirty damaged coil or plug)

Engine speed (RPM) sensor has failed

Camshaft position sensors have failed

Ignition coil is faulty

Spark plugs are not working properly or are not gapped properly

Trouble Code: P0307

Cylinder Number 7 Misfire Detected

Possible Causes:

Air leak in the intake manifold, or in the EGR or DME system

Base engine mechanical problem

Fuel delivery component problem (i.e., a contaminated, dirty or sticking fuel injector)

Fuel pump relay defective

Ignition coil fuses have failed

Ignition system problem (dirty damaged coil or plug)

Engine speed (RPM) sensor has failed

Camshaft position sensors have failed

Ignition coil is faulty

Spark plugs are not working properly or are not gapped properly

Trouble Code: P0308

Cylinder Number 8 Misfire Detected

Possible Causes:

Air leak in the intake manifold, or in the EGR or DME system

Base engine mechanical problem

Fuel delivery component problem (i.e., a contaminated, dirty or sticking fuel injector)

Fuel pump relay defective

Ignition coil fuses have failed

Ignition system problem (dirty damaged coil or plug)

Engine speed (RPM) sensor has failed

Camshaft position sensors have failed

Ignition coil is faulty

Spark plugs are not working properly or are not gapped properly

Trouble Code: P0325

Knock Sensor 1 Circuit Malfunction

Possible Causes:

Knock sensor circuit is open

Knock sensor is loose (tighten to 20 NM)

Contact between the knock sensor and cylinder block is dirty, corroded or greasy

Knock sensor circuit is shorted to ground, or shorted to power

Knock sensor is damaged or it has failed

Wrong kind of fuel used

A component in the engine compartment is loose or not properly secured

Trouble Code: P0335

Camshaft Position Sensor -A- Circ Malfunction

Possible Causes:

CMP sensor circuit is open or shorted to ground

CMP sensor circuit is shorted to power

CMP sensor ground (return) circuit is open

CMP sensor installation incorrect (Hall-effect type)

CMP sensor is damaged or CMP sensor shielding damaged

Trouble Code: P0340

Camshaft Position Sensor Circuit Malfunction

Possible Causes:

CMP sensor circuit is open or shorted to ground

CMP sensor circuit is shorted to power

CMP sensor ground (return) circuit is open

CMP sensor installation incorrect (Hall-effect type)

CMP sensor is damaged or CMP sensor shielding damaged

CMP sensor has failed

Trouble Code: P0412

Secondary Air Injection Solenoid Circuit Malfunction

Possible Causes:

AIR solenoid power circuit (B+) is open (check dedicated fuse)

AIR bypass solenoid control circuit is open or shorted to ground

AIR diverter solenoid control circuit open or shorted to ground

AIR pump control circuit is open or shorted to ground

Check valve (one or more) is damaged or leaking

Solid State relay is damaged or it has failed

Trouble Code: P0420

Catalyst System Efficiency (Bank 1) Below Threshold

Possible Causes:

Air leaks at the exhaust manifold or in the exhaust pipes

Catalytic converter is damaged, contaminated or it has failed

ECT/CHT sensor has lost its calibration (the signal is incorrect)

Engine cylinders misfiring, or the ignition timing is over retarded

Engine oil is contaminated

Front HO2S or rear HO2S is contaminated with fuel or moisture

Front HO2S and/or the rear HO2S is loose in the mounting hole

Front HO2S much older than the rear HO2S (HO2S-11 is lazy)

Fuel system pressure is too high (check the pressure regulator)

Rear HO2S wires improperly connected or the HO2S has failed