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OBD-II codes
Meaning, symptoms, causes, diagnosis steps and repair cost for every OBD-II code.
Fuse boxes
Interactive, colour-coded fuse box diagrams generated from verified data.
Symptoms
Start from what the car does and narrow down the cause like a mechanic.
Vehicle specs
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Glossary
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Most viewed trouble codes
- P0420Catalyst System Efficiency Below Threshold (Bank 1)
- P0106Manifold Absolute Pressure / Barometric Pressure Circuit Range/Performance
- P2002Diesel Particulate Filter Efficiency Below Threshold (Bank 1)
- P0011"A" Camshaft Position – Timing Over-Advanced or System Performance (Bank 1)
- P0012"A" Camshaft Position – Timing Over-Retarded (Bank 1)
- P0016Crankshaft Position – Camshaft Position Correlation (Bank 1 Sensor A)
- P0021"A" Camshaft Position – Timing Over-Advanced or System Performance (Bank 2)
- P0087Fuel Rail/System Pressure – Too Low
- P0101Mass Air Flow Sensor Circuit Range/Performance
- P0102Mass or Volume Air Flow "A" Circuit Low Input
- P0113Intake Air Temperature Sensor 1 Circuit High (Bank 1)
- P0121Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance
Fuse box diagrams
Audi A4 B8 BMW 3 Series (E90/E91/E92/E93) BMW 3 Series F30 Citroën Berlingo II / Peugeot Partner II Citroën C3 (II) Citroën C4 (I) Dacia Duster I Dacia Logan I Dacia Sandero II Ford Focus Mk3 Ford Focus Mk3 Honda CR-V III (RE) Honda Civic VIII (FK/FN) Hyundai i30 (FD) Kia Ceed (ED) Mazda 3 (BL) Mercedes-Benz C-Class W204 Mitsubishi Lancer X (CY) Nissan Juke (F15) Nissan Qashqai (J10) Nissan Qashqai (J10) Opel/Vauxhall Astra J Opel/Vauxhall Astra J Peugeot 206 Peugeot 207 Peugeot 307 Peugeot 308 (T7) Renault Clio III Renault Clio IV Renault Laguna III Renault Megane III Renault Megane III Renault Scenic II Skoda Octavia III Suzuki Swift (ZC72 / FZ) Toyota Avensis (T27) Toyota Corolla (E150) Toyota Corolla (E150) Toyota RAV4 (XA30) Toyota Yaris (XP130) Volkswagen Golf 6 (Mk6) Volkswagen Golf 7 (Mk7) Volkswagen Golf 7 (Mk7)
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B1Body (manufacturer-specific)780 codesB2Body (manufacturer-specific)367 codesC1Chassis (manufacturer-specific)486 codesC2Chassis (manufacturer-specific)1 codesP00Fuel, air metering & auxiliary emission controls99 codesP01Fuel & air metering100 codesP02Fuel & air metering (injector circuit)100 codesP03Ignition system & misfires95 codesP04Auxiliary emission controls100 codesP05Vehicle speed, idle control & auxiliary inputs100 codesP06Computer & output circuits100 codesP07Transmission100 codesP08Transmission100 codesP09Transmission100 codesP0AHybrid propulsion30 codesP1Manufacturer-specific powertrain655 codesP2Fuel, air & emissions (P2)649 codesP3Ignition & auxiliary (P3)98 codesU0Network communication (generic)299 codesU1Network (manufacturer-specific)272 codesU2Network (manufacturer-specific)27 codes