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BMW 1 Series Fault Codes

You can find common BMW 1 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 1 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 1 Series has any recall notices on our sister site AutoRecalls.co, sorted by model year.

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Common 1 Series Fault Codes

These are the most common 1 Series fault codes that people are searching for.

Severity Icon 7/10

Error Icon P0171

System Too Lean (Bank 1)

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Error Icon P0015

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

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Severity Icon 7/10

Error Icon P0401

Exhaust Gas Recirculation Flow Insufficient Detected

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Severity Icon 8/10

Error Icon P0087

Fuel Rail/System Pressure - Too Low

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Severity Icon 9/10

Error Icon P0011

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

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Severity Icon 8/10

Error Icon P0304

Cylinder 4 Misfire Detected

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Error Icon P0365

Camshaft Position Sensor B Circuit (Bank 2)

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Error Icon P0133

O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)

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Severity Icon 5/10

Error Icon P0172

System Too Rich (Bank 1)

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Error Icon P0198

Engine Oil Temperature Sensor High

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Error Icon P0120

Throttle Pedal Position Sensor/Switch A Circuit Malfunction

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Severity Icon 6/10

Error Icon P0141

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)

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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 P0491

Secondary Air Injection System Insufficient Flow Bank 1

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Error Icon P0492

Secondary Air Injection System (Bank 2)

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Error Icon P0118

Engine Coolant Temperature Circuit High Input

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Error Icon P0108

Manifold Absolute Pressure/Barometric Pressure Circuit High Input

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Severity Icon 5/10

Error Icon P0175

System Too Rich (Bank 2)

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Severity Icon 8/10

Error Icon P0113

Intake Air Temperature Circuit High Input

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Error Icon P0155

O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)

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Severity Icon 8/10

Error Icon P0170

Fuel Trim Malfunction (Bank 1)

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Severity Icon 6/10

Error Icon P0174

System Too Lean (Bank 2)

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Error Icon P0123

Throttle/Pedal Position Sensor/Switch A Circuit High Input

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Severity Icon 4/10

Error Icon P0128

Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature)

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Error Icon P0041

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

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Error Icon P0117

Engine Coolant Temperature Circuit Low Input

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Error Icon P0112

Intake Air Temperature Circuit Low Input

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Error Icon P0597

Thermostat Heater Control Circuit / Open

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Error Icon P0161

O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)

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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 8/10

Error Icon P0301

Cylinder 1 Misfire Detected

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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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Error Icon P0941

Hydraulic Oil Temperature Sensor Circuit Intermittent

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Error Icon P1278

Cylinder #8 High To Low Side Open

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Error Icon P1168

Fuel Rail Sensor In-Range Low Failure

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Error Icon P1777

Ignition Retard Request Circuit Fault

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Error Icon P1197

Key Off Voltage Low

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Error Icon P1189

Fuel Control (Bank 2 Sensor 1)

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Error Icon P1580

Throttle Valve Mechanically Stuck

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Error Icon P1182

O2 Sensor (Bank 1 Sensor 2) Open Circuit During Coast Down Fuel Cut-off

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Error Icon P1771

Load Signal Stuck Off

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Error Icon P1125

Accelerator/Throttle Pedal Position Sensor Fault

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Error Icon U1126

SCP (J1850) Invalid or Missing Data for Primary Id

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Error Icon U1187

SCP (J1850) Invalid or Missing Data for Primary Id

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Error Icon P1290

Cylinder Head Temp Sensor Low Input

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Severity Icon 7/10

Error Icon P2096

Post Catalyst Fuel Trim System Too Lean Bank 1

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Error Icon P1338

Fuel pump (FP) -feedback circuit malfunction

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Error Icon P1328

Knock Sensor 2 (Bank 1) High Input

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Error Icon P1350

Misfire During Start Cylinder 5

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Error Icon P1637

Throttle Valve Position Control; Control Deviation

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Error Icon P1776

Ignition Retard Request Duration Fault

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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 P0303

Cylinder 3 Misfire Detected

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Error Icon P1688

Metering Oil Pump Stepping Motor Circuit Malfunction

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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 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 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 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 P1112

Engine Coolant Temperature Radiator Outlet Sensor High Input

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  • Manufacturer: BMW

About the 1 Series