Family context
European premium anchor
BMW remains a premium-brand anchor and a useful bridge into Audi and Volkswagen diagnosis paths.
Why this hub matters: Premium support route with broad code adjacency.
Brand hub
BMW OBD-II Trouble Codes
BMW code pages prioritizing drivability, emissions, and diagnostic workflow.
This hub belongs to the European premium anchor route. Anchor premium-brand diagnosis, then pivot into Audi or Volkswagen when platform overlap appears. Users can then pivot into sibling brands without restarting from the homepage.
Best starting points
BMW diagnostic routes
Sibling hubs
Stay inside the family graph
Top code routes
BMW first-click codes
- P0300 — Random/Multiple Cylinder Misfire Detected
- P0171 — System Too Lean (Bank 1)
- P0345 — Camshaft Position Sensor A Circuit (Bank 2)
- P0346 — Camshaft Position Sensor A Circuit Range/Performance (Bank 2)
- P0347 — Camshaft Position Sensor A Circuit Low Input (Bank 2)
- P0348 — Camshaft Position Sensor A Circuit High Input (Bank 2)
Top symptom routes
Best symptom pivots
Cross-brand pivots
Where to go next if this badge is not the whole story
- Volkswagen · 58 mapped codes — Start here for mainstream VAG lean-idle and fuel-pressure complaints
- Audi · 32 mapped codes — Premium VAG route for direct-injection and communication fault searches
Common codes
BMW trouble code pages
- P0300 — Random/Multiple Cylinder Misfire Detected
- P0171 — System Too Lean (Bank 1)
- P0345 — Camshaft Position Sensor A Circuit (Bank 2)
- P0346 — Camshaft Position Sensor A Circuit Range/Performance (Bank 2)
- P0347 — Camshaft Position Sensor A Circuit Low Input (Bank 2)
- P0348 — Camshaft Position Sensor A Circuit High Input (Bank 2)
- P0349 — Camshaft Position Sensor A Circuit Intermittent (Bank 2)
- P0012 — A Camshaft Position Timing Over-Retarded (Bank 1)
- P0700 — Transmission Control System Malfunction
- P00BD — Mass or Volume Air Flow A Circuit Range/Performance - Airflow Too High
- P0220 — Throttle/Pedal Position Sensor/Switch B Circuit
- P0741 — Torque Converter Clutch Circuit Performance or Stuck Off
- P0353 — Ignition Coil C Primary/Secondary Circuit
- P0355 — Ignition Coil E Primary/Secondary Circuit
- P0356 — Ignition Coil F Primary/Secondary Circuit
- P0200 — Injector Circuit Malfunction
- P0203 — Injector Circuit/Open - Cylinder 3
- P0205 — Injector Circuit/Open - Cylinder 5
- P0206 — Injector Circuit/Open - Cylinder 6
- P0721 — Output Speed Sensor Range/Performance
- P0723 — Output Speed Sensor Intermittent
- P0087 — Fuel Rail/System Pressure Too Low
- P0182 — Fuel Temperature Sensor A Circuit Low Input
- P0184 — Fuel Temperature Sensor A Circuit Intermittent
- P0191 — Fuel Rail Pressure Sensor Range/Performance
- P0330 — Knock Sensor 2 Circuit (Bank 2)
- P0331 — Knock Sensor 2 Circuit Range/Performance (Bank 2)
- P0333 — Knock Sensor 2 Circuit High Input (Bank 2)
- P0334 — Knock Sensor 2 Circuit Intermittent (Bank 2)
- P0560 — System Voltage Malfunction
- P0562 — System Voltage Low
- P0563 — System Voltage High
- P0620 — Generator Control Circuit Malfunction
- P2503 — Charging System Voltage Low
- P0621 — Generator Lamp/L Terminal Circuit Malfunction
- P0622 — Generator Field/F Terminal Circuit Malfunction
- P0623 — Generator Lamp Control Circuit Malfunction
- P0624 — Generator Lamp Control Circuit Low
- P0625 — Generator Field/F Terminal Circuit Low
- P0626 — Generator Field/F Terminal Circuit High
- P2504 — Charging System Voltage High
- P0500 — Vehicle Speed Sensor A Malfunction
- P0501 — Vehicle Speed Sensor A Range/Performance
- P0503 — Vehicle Speed Sensor A Intermittent/Erratic/High
- P0520 — Engine Oil Pressure Sensor/Switch Circuit
- P0521 — Engine Oil Pressure Sensor/Switch Range/Performance
- P0522 — Engine Oil Pressure Sensor/Switch Low Voltage
- P0523 — Engine Oil Pressure Sensor/Switch High Voltage
- P0524 — Engine Oil Pressure Too Low
- P0365 — Camshaft Position Sensor B Circuit (Bank 1)
- P0366 — Camshaft Position Sensor B Circuit Range/Performance (Bank 1)
- P0367 — Camshaft Position Sensor B Circuit Low Input (Bank 1)
- P0368 — Camshaft Position Sensor B Circuit High Input (Bank 1)
- P0369 — Camshaft Position Sensor B Circuit Intermittent (Bank 1)
- P0390 — Camshaft Position Sensor B Circuit (Bank 2)
- P0391 — Camshaft Position Sensor B Circuit Range/Performance (Bank 2)
- P0392 — Camshaft Position Sensor B Circuit Low Input (Bank 2)
- P0393 — Camshaft Position Sensor B Circuit High Input (Bank 2)
- P0394 — Camshaft Position Sensor B Circuit Intermittent (Bank 2)
- P0480 — Cooling Fan 1 Control Circuit Malfunction
- P0481 — Cooling Fan 2 Control Circuit Malfunction
- P0482 — Cooling Fan 3 Control Circuit Malfunction
- P0483 — Cooling Fan Rationality Check Malfunction
- P0484 — Cooling Fan Circuit Over Current
- P0485 — Cooling Fan Power/Ground Circuit Malfunction
- P219A — Bank 1 Air/Fuel Ratio Imbalance
- P219B — Bank 2 Air/Fuel Ratio Imbalance
- P0380 — Glow Plug/Heater Circuit A Malfunction
- P0670 — Glow Plug Control Module Control Circuit
- P0671 — Cylinder 1 Glow Plug Circuit/Open
- P0672 — Cylinder 2 Glow Plug Circuit/Open
- P0673 — Cylinder 3 Glow Plug Circuit/Open
- P0674 — Cylinder 4 Glow Plug Circuit/Open
- P0675 — Cylinder 5 Glow Plug Circuit/Open
- P0676 — Cylinder 6 Glow Plug Circuit/Open
- P2505 — ECM/PCM Power Input Signal
- P2506 — ECM/PCM Power Input Signal Range/Performance
- P2507 — ECM/PCM Power Input Signal Low
- P2508 — ECM/PCM Power Input Signal High
- P2509 — ECM/PCM Power Input Signal Intermittent
- P2510 — ECM/PCM Power Relay Sense Circuit Range/Performance
- P0615 — Starter Relay Circuit
- P0616 — Starter Relay Circuit Low
- P0617 — Starter Relay Circuit High
- P0512 — Starter Request Circuit
- P2534 — Ignition Switch Run/Start Position Circuit Low
- P2535 — Ignition Switch Run/Start Position Circuit High
- P2536 — Ignition Switch Accessory Position Circuit Low
- P2537 — Ignition Switch Accessory Position Circuit High
- P2430 — Secondary Air Injection System Air Flow / Pressure Sensor Circuit
- P2431 — Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance
- P2432 — Secondary Air Injection System Air Flow / Pressure Sensor Circuit Low
- P2433 — Secondary Air Injection System Air Flow / Pressure Sensor Circuit High
- P2440 — Secondary Air Injection System Switching Valve Stuck Open Bank 1
- P2441 — Secondary Air Injection System Switching Valve Stuck Closed Bank 1
- P2442 — Secondary Air Injection System Switching Valve Stuck Open Bank 2
- P2443 — Secondary Air Injection System Switching Valve Stuck Closed Bank 2
- P0068 — MAP/MAF - Throttle Position Correlation
- P2227 — Barometric Pressure Circuit Range/Performance
- P2279 — Intake Air System Leak
- P0069 — Manifold Absolute Pressure - Barometric Pressure Correlation
- P0490 — Exhaust Gas Recirculation Control Circuit High
Symptoms
Frequent symptom paths
Connected paths
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Brand-relevant guides
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How to Diagnose an Engine Misfire Step by StepHow to Read Live Fuel Trim Data Without GuessingHow to Test an EVAP Purge Valve Without GuessingCan You Drive With a Flashing Check Engine Light?Vacuum Leak Checklist for Lean Codes and Rough IdleHard Start Diagnostic Order for OBD-II VehiclesReduced Power Initial ChecklistLong Crank Diagnostic Order Before Replacing SensorsNo Start But Cranks Checklist for OBD-II VehiclesRefuel-Related Hard Start ChecklistPurge Valve Stuck Open vs Flooded Charcoal Canister: How to Tell Which One Is Causing the Refuel ProblemBad Gas vs EVAP Purge Problem: How to Tell Which One You Actually HaveEVAP Vent Valve vs Purge Valve: Symptoms, Codes, and How to Tell Them ApartP0420 vs Bad O2 Sensor vs Exhaust Leak: How to Tell Which One Is Actually Setting the StoryRear O2 Sensor Code vs Bad Catalytic Converter: How to Tell Which One Is Actually WrongP0300 Then P0420: What It Usually MeansRefuel Misfire vs Ignition Misfire: How to Tell Which One You Actually HaveExhaust Leak vs Bad O2 Sensor vs True Lean Condition: How to Tell Which Story the Engine Is Actually TellingP0016 vs P0335 vs P0340: How to Tell Timing Correlation from Crank or Cam Signal FailureStartup Rattle with P0016 or P0017: What It Usually MeansP0011 vs P0016 vs P0340: VVT Solenoid, Sensor, or Timing Chain?Long Crank Hot vs Cold: What Cam, Crank, and EVAP Codes Are Trying to Tell YouPost-Catalyst Fuel Trim Codes vs Rear O2 Sensor vs Catalytic Converter: How to Tell Which One Is Actually WrongTorque Converter Won’t Lock: High Highway RPM vs Real SlipP0700 vs P0715 vs P0730: How to Split Bad Transmission Data from Real SlipBattery Light On: Bad Battery, Alternator, or Wiring?P219A / P219B vs P0300 vs P0171 / P0174: Bank Imbalance or General Lean-Misfire Problem?Fuel Rail Pressure Sensor vs Regulator Control: How to Tell Which Side of the Fuel System Is Actually FailingPCM Power Relay vs Battery vs Ignition Switch: How to Split a No-Start Power ProblemSecurity Light On vs Wrong Key vs Immobilizer Module: How to Split the No-Start StoryEngine Overheats in Traffic vs on the Highway: What That Usually MeansReduced Engine Power: Throttle Body vs Pedal vs Low VoltageCruise Control Won't Engage: Brake Switch vs Clutch Switch vs Speed SignalHard Brake Pedal: Brake Booster vs Vacuum Leak vs Pressure SensorP2761 vs P0743 vs P0741: Open Circuit vs Electrical Fault vs TCC PerformanceHigh Highway RPM in Top Gear: No Lockup vs No Overdrive
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BMW symptom paths
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