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BMW 4 Series Fault Codes

You can find common BMW 4 Series fault codes on this page that when clicked take you to a detailed description.

You can also type in the fault code you are getting below to find a more detailed description.

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BMW 4 Series Recalls

When a car manufacturer detects a problem with a model they put out a recall notice and more often than not offer to fix the problem free of charge.

You can check to see if your BMW 4 Series has any recall notices on our sister site AutoRecalls.co, sorted by model year.

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Common 4 Series Fault Codes

These are the most common 4 Series fault codes that people are searching for.

Error Icon P0414

Secondary Air Injection System Switching Valve A Circuit Shorted

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Severity Icon 3/10

Error Icon P0446

Evaporative Emission Control System Vent Control Circuit Malfunction

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Severity Icon 3/10

Error Icon P0440

Evaporative Emission Control System Malfunction

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Error Icon P0460

Evaporative Emission Control System Pressure Sensor Malfunction

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Severity Icon 4/10

Error Icon P0411

Secondary Air Injection System Incorrect Flow Detected

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Error Icon P0155

O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)

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Severity Icon 7/10

Error Icon P0420

Catalyst System Efficiency Below Threshold (Bank 1)

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Severity Icon 7/10

Error Icon P0430

Catalyst System Efficiency Below Threshold (Bank 2)

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Severity Icon 6/10

Error Icon P0174

System Too Lean (Bank 2)

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Severity Icon 4/10

Error Icon P0128

Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature)

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Severity Icon 6/10

Error Icon P0141

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)

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Error Icon P0040

Oxygen Sensor Signals Swapped Bank 1 Sensor 1 / Bank 2 Sensor 1

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Severity Icon 5/10

Error Icon P0140

O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)

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Error Icon P0444

Evaporative Emission Control System Purge Control Valve Circuit Open

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Severity Icon 3/10

Error Icon P0456

Evaporative Emissions System Small Leak Detected

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Severity Icon 8/10

Error Icon P0340

Camshaft Position Sensor Circuit Malfunction

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Error Icon P0344

Camshaft Position Sensor Circuit Intermittent

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Error Icon P0343

Camshaft Position Sensor Circuit High Input

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Severity Icon 6/10

Error Icon P0341

Camshaft Position Sensor Circuit Range/Performance

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Error Icon P0941

Hydraulic Oil Temperature Sensor Circuit Intermittent

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Error Icon P0709

Transmission Range Sensor Circuit Intermittent

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Error Icon P1774

Hydraulic Pressure Sensor 1 Too Low

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Error Icon P1448

Diagnostic Module Tank Leakage (DM-TL) Pump Too Low During Switching

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Error Icon P1419

Split Air #2 Circuit Malfunction

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Error Icon P1189

Fuel Control (Bank 2 Sensor 1)

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Error Icon P1349

Misfire Cylinder 4 With Fuel Cut-off

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Error Icon P1083

Fuel Control Mixture Lean (Bank 1 Sensor 1)

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Error Icon P1112

Engine Coolant Temperature Radiator Outlet Sensor High Input

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Severity Icon 7/10

Error Icon P0171

System Too Lean (Bank 1)

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Severity Icon 8/10

Error Icon P0303

Cylinder 3 Misfire Detected

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Error Icon P0597

Thermostat Heater Control Circuit / Open

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Error Icon P1688

Metering Oil Pump Stepping Motor Circuit Malfunction

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Error Icon P0015

Exhaust Camshaft Position Timing - Over-Retarded (Bank 1)

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Severity Icon 9/10

Error Icon P0300

Random/Multiple Cylinder Misfire Detected

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Severity Icon 9/10

Error Icon P0012

Intake Camshaft Position Timing - Over-Retarded (Bank 1)

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Severity Icon 9/10

Error Icon P0700

Transmission Control System Malfunction

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Error Icon P0471

Exhaust Pressure Sensor Range/Performance

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Error Icon P0308

Cylinder 8 Misfire Detected

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Severity Icon 9/10

Error Icon P0011

Intake Camshaft Position Timing - Over-Advanced (Bank 1)

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Error Icon U1126

SCP (J1850) Invalid or Missing Data for Primary Id

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Severity Icon 9/10

Error Icon U0001

High Speed CAN Communication Bus

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Severity Icon 9/10

Error Icon U0073

Control Module Communication Bus "A" Off

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Error Icon P1290

Cylinder Head Temp Sensor Low Input

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Error Icon P1447

Diagnostic Module Tank Leakage (DM-TL) Pump Too High During Switching

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Error Icon P1434

A/C Refrigerant Temperature Circuit High

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Error Icon P1250

PRC Solenoid Circuit Malfunction

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Error Icon P1188

Fuel Control (Bank 1 Sensor 1)

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Error Icon P1727

Coast Clutch Solenoid Inductive Signature Malfunction

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Error Icon P1515

Electric Current Circuit Malfunction

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Error Icon P1415

Air Pump Circuit Malfunction/ (AIR) System Bank 1

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Error Icon P1449

Diagnostic Module Tank Leakage (DM-TL) Pump Too High

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Error Icon P1168

Fuel Rail Sensor In-Range Low Failure

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Error Icon P1278

Cylinder #8 High To Low Side Open

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Error Icon P1619

MAP Cooling Control Circuit Signal Low

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Error Icon P1111

Engine Coolant Temperature Radiator Outlet Sensor Low Input

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Error Icon P1622

MAP Cooling Control Circuit Electrical

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Error Icon P1347

Misfire Cylinder 3 With Fuel Cut-off

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Error Icon P1345

Misfire Cylinder 2 With Fuel Cut-off

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Error Icon P1085

Fuel Control Mixture Lean (Bank 2 Sensor 1)

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Error Icon P1357

Misfire Cylinder 8 With Fuel Cut-off

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Error Icon P1353

Misfire Cylinder 6 With Fuel Cut-off

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Severity Icon 7/10

Error Icon P0010

Intake Camshaft Position Actuator Circuit / Open (Bank 1)

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Severity Icon 7/10

Error Icon P0013

Exhaust Camshaft Position Actuator Circuit / Open (Bank 1)

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Severity Icon 8/10

Error Icon P0014

Exhaust Camshaft Position Timing - Over-Advanced (Bank 1)

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Severity Icon 8/10

Error Icon P0016

Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A

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Severity Icon 8/10

Error Icon P0017

Crankshaft Position Camshaft Position Correlation Bank 1 Sensor B

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Severity Icon 4/10

Error Icon P0036

Heated Oxygen Sensor (HO2S) Heater Control Circuit Bank 1 Sensor 2

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Severity Icon 4/10

Error Icon P0102

Mass or Volume Air Flow Circuit Low Voltage Input

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Severity Icon 8/10

Error Icon P0106

Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem

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Severity Icon 8/10

Error Icon P0113

Intake Air Temperature Circuit High Input

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Severity Icon 6/10

Error Icon P0131

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)

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Severity Icon 7/10

Error Icon P0134

O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)

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Severity Icon 6/10

Error Icon P0135

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

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Severity Icon 4/10

Error Icon P0137

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)

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Severity Icon 6/10

Error Icon P0138

O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)

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Severity Icon 5/10

Error Icon P0172

System Too Rich (Bank 1)

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  • Manufacturer: BMW

About the 4 Series