Scanline › Fault codes
Fault codes in plain English
322 generic OBD-II codes, and the VW Group 5-digit numbers VCDS shows for them, explained for VW, Škoda, Audi, SEAT and Cupra owners. Pick a system, then a code.
Air metering
- P0068MAP/MAF to throttle position correlation (VAG 16452)
- P0069MAP to barometric pressure correlation (VAG 16453)
- P0100Mass air flow (MAF) sensor circuit (VAG 16484)
- P0101Mass air flow sensor range/performance (VAG 16485)
- P0102Mass air flow sensor circuit low (VAG 16486)
- P0103Mass air flow sensor circuit high (VAG 16487)
- P0104Mass air flow (MAF) sensor A circuit intermittent (VAG 16488)
- P0105Manifold absolute pressure (MAP) sensor circuit (VAG 16489)
- P0106MAP sensor range/performance (VAG 16490)
- P0107MAP sensor circuit low (VAG 16491)
- P0108MAP sensor circuit high (VAG 16492)
- P0109Manifold absolute pressure / barometric pressure sensor circuit intermittent (VAG 16493)
- P2004Intake manifold runner control stuck open (bank 1)
- P2015Intake manifold runner position sensor range/performance (bank 1)
- P2279Intake air system leak
Boost
- P0234Turbocharger/supercharger overboost condition (VAG 16618)
- P0235Turbocharger/supercharger boost sensor A circuit (VAG 16619)
- P0236Turbo boost sensor A range/performance (VAG 16620)
- P0237Turbocharger/supercharger boost sensor A circuit low (VAG 16621)
- P0238Turbocharger/supercharger boost sensor A circuit high (VAG 16622)
- P0243Turbocharger/supercharger wastegate solenoid A (VAG 16627)
- P0299Turbocharger/supercharger underboost (VAG 16683)
- P2563Turbo boost control position sensor range/performance
Cooling
- P0115Engine coolant temperature sensor circuit (VAG 16499)
- P0116Engine coolant temperature sensor range/performance (VAG 16500)
- P0117Engine coolant temperature sensor circuit low (VAG 16501)
- P0118Engine coolant temperature sensor circuit high (VAG 16502)
- P0119Engine coolant temperature sensor 1 circuit intermittent (VAG 16503)
- P0125Insufficient coolant temperature for closed-loop fuel control (VAG 16509)
- P0128Coolant thermostat (coolant temperature below regulating temperature) (VAG 16512)
- P0480Cooling fan 1 control circuit (VAG 16864)
- P0481Cooling fan 2 control circuit (VAG 16865)
- P0597Thermostat heater control circuit/open (VAG 16981)
- P0598Thermostat heater control circuit low (VAG 16982)
- P0599Thermostat heater control circuit high (VAG 16983)
Electrical
Electronics
- P0600Serial communication link (VAG 16984)
- P0601Internal control module memory checksum error (VAG 16985)
- P0602Control module programming error (VAG 16986)
- P0603Internal control module keep-alive memory (KAM) error (VAG 16987)
- P0604Internal control module random access memory (RAM) error (VAG 16988)
- P0605Internal control module read only memory (ROM) error (VAG 16989)
- P0606Control module processor (VAG 16990)
- P0607Control module performance (VAG 16991)
- P0641Sensor reference voltage A circuit/open (VAG 17025)
- P0651Sensor reference voltage B circuit/open (VAG 17035)
Emissions
- P0400Exhaust gas recirculation (EGR) flow (VAG 16784)
- P0401EGR flow insufficient (VAG 16785)
- P0402EGR flow excessive (VAG 16786)
- P0403EGR control circuit (VAG 16787)
- P0404EGR control circuit range/performance (VAG 16788)
- P0405EGR sensor A circuit low (VAG 16789)
- P0406EGR sensor A circuit high (VAG 16790)
- P0410Secondary air injection system (VAG 16794)
- P0411Secondary air injection system incorrect flow detected (VAG 16795)
- P0420Catalyst system efficiency below threshold (bank 1) (VAG 16804)
- P0421Warm-up catalyst efficiency below threshold (bank 1) (VAG 16805)
- P0430Catalyst system efficiency below threshold (bank 2) (VAG 16814)
- P0431Warm-up catalyst efficiency below threshold (bank 2) (VAG 16815)
- P0440Evaporative emission (EVAP) system (VAG 16824)
- P0441EVAP system incorrect purge flow (VAG 16825)
- P0442EVAP system leak detected (small leak) (VAG 16826)
- P0443EVAP system purge control valve circuit (VAG 16827)
- P0446EVAP system vent control circuit (VAG 16830)
- P0455EVAP system leak detected (large leak) (VAG 16839)
- P0456EVAP system leak detected (very small leak) (VAG 16840)
- P0457EVAP system leak detected (fuel cap loose/off) (VAG 16841)
- P2002Diesel particulate filter efficiency below threshold (bank 1)
- P2003Diesel particulate filter efficiency below threshold (bank 2)
- P203FReductant (AdBlue) level too low
- P2047Reductant (AdBlue) injector circuit/open (bank 1 unit 1)
- P20E8Reductant (AdBlue) pressure too low
- P20EESCR NOx catalyst efficiency below threshold (bank 1)
- P2200NOx sensor circuit (bank 1)
- P2201NOx sensor circuit range/performance (bank 1)
- P242FDiesel particulate filter restriction: ash accumulation
- P244ADiesel particulate filter differential pressure too low (bank 1)
- P244BDiesel particulate filter differential pressure too high (bank 1)
- P2452Diesel particulate filter pressure sensor A circuit
- P2453Diesel particulate filter pressure sensor A circuit range/performance
- P2454Diesel particulate filter pressure sensor A circuit low
- P2455Diesel particulate filter pressure sensor A circuit high
- P2458Diesel particulate filter regeneration duration
- P2459Diesel particulate filter regeneration frequency
- P2463Diesel particulate filter restriction: soot accumulation
Engine sensors
- P0335Crankshaft position sensor A circuit (VAG 16719)
- P0336Crankshaft position sensor A circuit range/performance (VAG 16720)
- P0337Crankshaft position sensor A circuit low (VAG 16721)
- P0338Crankshaft position sensor A circuit high (VAG 16722)
- P0339Crankshaft position sensor A circuit intermittent (VAG 16723)
- P0340Camshaft position sensor A circuit (bank 1) (VAG 16724)
- P0341Camshaft position sensor A (bank 1 or single sensor) circuit range/performance (VAG 16725)
- P0342Camshaft position sensor A (bank 1 or single sensor) circuit low (VAG 16726)
- P0343Camshaft position sensor A (bank 1 or single sensor) circuit high (VAG 16727)
- P0344Camshaft position sensor A (bank 1 or single sensor) circuit intermittent (VAG 16728)
- P0345Camshaft position sensor A (bank 2) circuit (VAG 16729)
- P0346Camshaft position sensor A (bank 2) circuit range/performance (VAG 16730)
- P0347Camshaft position sensor A (bank 2) circuit low (VAG 16731)
- P0348Camshaft position sensor A (bank 2) circuit high (VAG 16732)
- P0349Camshaft position sensor A (bank 2) circuit intermittent (VAG 16733)
Exhaust sensors
- P0130O2 sensor circuit (bank 1 sensor 1) (VAG 16514)
- P0131O2 sensor circuit low voltage (bank 1 sensor 1) (VAG 16515)
- P0132O2 sensor circuit high voltage (bank 1 sensor 1) (VAG 16516)
- P0133O2 sensor slow response (bank 1 sensor 1) (VAG 16517)
- P0134O2 sensor circuit no activity detected (bank 1 sensor 1) (VAG 16518)
- P0135O2 sensor heater circuit (bank 1 sensor 1) (VAG 16519)
- P0136O2 sensor circuit (bank 1 sensor 2) (VAG 16520)
- P0137O2 sensor circuit low voltage (bank 1 sensor 2) (VAG 16521)
- P0138O2 sensor circuit high voltage (bank 1 sensor 2) (VAG 16522)
- P0139O2 sensor circuit slow response (bank 1 sensor 2) (VAG 16523)
- P0140O2 sensor circuit no activity detected (bank 1 sensor 2) (VAG 16524)
- P0141O2 sensor heater circuit (bank 1 sensor 2) (VAG 16525)
- P0142O2 sensor circuit (bank 1 sensor 3) (VAG 16526)
- P0143O2 sensor circuit low voltage (bank 1 sensor 3) (VAG 16527)
- P0144O2 sensor circuit high voltage (bank 1 sensor 3) (VAG 16528)
- P0145O2 sensor circuit slow response (bank 1 sensor 3) (VAG 16529)
- P0146O2 sensor circuit no activity detected (bank 1 sensor 3) (VAG 16530)
- P0147O2 sensor heater circuit (bank 1 sensor 3) (VAG 16531)
- P0150O2 sensor circuit (bank 2 sensor 1) (VAG 16534)
- P0151O2 sensor circuit low voltage (bank 2 sensor 1) (VAG 16535)
- P0152O2 sensor circuit high voltage (bank 2 sensor 1) (VAG 16536)
- P0153O2 sensor circuit slow response (bank 2 sensor 1) (VAG 16537)
- P0154O2 sensor circuit no activity detected (bank 2 sensor 1) (VAG 16538)
- P0155O2 sensor heater circuit (bank 2 sensor 1) (VAG 16539)
- P0156O2 sensor circuit (bank 2 sensor 2) (VAG 16540)
- P0157O2 sensor circuit low voltage (bank 2 sensor 2) (VAG 16541)
- P0158O2 sensor circuit high voltage (bank 2 sensor 2) (VAG 16542)
- P0159O2 sensor circuit slow response (bank 2 sensor 2) (VAG 16543)
- P0160O2 sensor circuit no activity detected (bank 2 sensor 2) (VAG 16544)
- P0161O2 sensor heater circuit (bank 2 sensor 2) (VAG 16545)
- P0162O2 sensor circuit (bank 2 sensor 3) (VAG 16546)
- P0163O2 sensor circuit low voltage (bank 2 sensor 3) (VAG 16547)
- P0164O2 sensor circuit high voltage (bank 2 sensor 3) (VAG 16548)
- P0165O2 sensor circuit slow response (bank 2 sensor 3) (VAG 16549)
- P0166O2 sensor circuit no activity detected (bank 2 sensor 3) (VAG 16550)
- P0167O2 sensor heater circuit (bank 2 sensor 3) (VAG 16551)
- P2626O2 sensor pumping current trim circuit/open (bank 1 sensor 1)
Fuel mixture
- P0170Fuel trim (bank 1) (VAG 16554)
- P0171System too lean (bank 1) (VAG 16555)
- P0172System too rich (bank 1) (VAG 16556)
- P0173Fuel trim (bank 2) (VAG 16557)
- P0174System too lean (bank 2) (VAG 16558)
- P0175System too rich (bank 2) (VAG 16559)
- P2096Post-catalyst fuel trim system too lean (bank 1)
- P2097Post-catalyst fuel trim system too rich (bank 1)
- P2177System too lean off idle (bank 1)
- P2178System too rich off idle (bank 1)
- P2187System too lean at idle (bank 1)
- P2188System too rich at idle (bank 1)
Fuel system
- P0087Fuel rail/system pressure too low (VAG 16471)
- P0088Fuel rail/system pressure too high (VAG 16472)
- P0089Fuel pressure regulator performance (VAG 16473)
- P0090Fuel pressure regulator 1 control circuit (VAG 16474)
- P0093Fuel system leak detected (large leak) (VAG 16477)
- P0190Fuel rail pressure sensor circuit (VAG 16574)
- P0191Fuel rail pressure sensor range/performance (VAG 16575)
- P0192Fuel rail pressure sensor A circuit low (VAG 16576)
- P0193Fuel rail pressure sensor A circuit high (VAG 16577)
- P0194Fuel rail pressure sensor A circuit intermittent (VAG 16578)
- P0627Fuel pump A control circuit/open (VAG 17011)
- P0628Fuel pump A control circuit low (VAG 17012)
- P0629Fuel pump A control circuit high (VAG 17013)
- P2293Fuel pressure regulator 2 performance
Glow plugs
- P0380Glow plug/heater circuit A (VAG 16764)
- P0670Glow plug control module circuit (VAG 17054)
- P0671Glow plug circuit, cylinder 1 (VAG 17055)
- P0672Glow plug circuit, cylinder 2 (VAG 17056)
- P0673Glow plug circuit, cylinder 3 (VAG 17057)
- P0674Glow plug circuit, cylinder 4 (VAG 17058)
- P0675Glow plug circuit, cylinder 5 (VAG 17059)
- P0676Glow plug circuit, cylinder 6 (VAG 17060)
- P0677Glow plug circuit, cylinder 7 (VAG 17061)
- P0678Glow plug circuit, cylinder 8 (VAG 17062)
Idle
Ignition
- P0300Random/multiple cylinder misfire detected (VAG 16684)
- P0301Cylinder 1 misfire detected (VAG 16685)
- P0302Cylinder 2 misfire detected (VAG 16686)
- P0303Cylinder 3 misfire detected (VAG 16687)
- P0304Cylinder 4 misfire detected (VAG 16688)
- P0305Cylinder 5 misfire detected (VAG 16689)
- P0306Cylinder 6 misfire detected (VAG 16690)
- P0307Cylinder 7 misfire detected (VAG 16691)
- P0308Cylinder 8 misfire detected (VAG 16692)
- P0309Cylinder 9 misfire detected (VAG 16693)
- P0310Cylinder 10 misfire detected (VAG 16694)
- P0311Cylinder 11 misfire detected (VAG 16695)
- P0312Cylinder 12 misfire detected (VAG 16696)
- P0325Knock sensor 1 circuit (bank 1) (VAG 16709)
- P0326Knock sensor 1 (bank 1 or single sensor) circuit range/performance (VAG 16710)
- P0327Knock sensor 1 circuit low (bank 1) (VAG 16711)
- P0328Knock sensor 1 circuit high (bank 1) (VAG 16712)
- P0329Knock sensor 1 (bank 1 or single sensor) circuit intermittent (VAG 16713)
- P0330Knock sensor 2 (bank 2) circuit (VAG 16714)
- P0331Knock sensor 2 (bank 2) circuit range/performance (VAG 16715)
- P0332Knock sensor 2 (bank 2) circuit low (VAG 16716)
- P0333Knock sensor 2 (bank 2) circuit high (VAG 16717)
- P0334Knock sensor 2 (bank 2) circuit intermittent (VAG 16718)
- P0350Ignition coil primary/secondary circuit (VAG 16734)
- P0351Ignition coil A primary/secondary circuit (usually cylinder 1) (VAG 16735)
- P0352Ignition coil B primary/secondary circuit (usually cylinder 2) (VAG 16736)
- P0353Ignition coil C primary/secondary circuit (usually cylinder 3) (VAG 16737)
- P0354Ignition coil D primary/secondary circuit (usually cylinder 4) (VAG 16738)
- P0355Ignition coil E primary/secondary circuit (usually cylinder 5) (VAG 16739)
- P0356Ignition coil F primary/secondary circuit (usually cylinder 6) (VAG 16740)
- P0357Ignition coil G primary/secondary circuit (usually cylinder 7) (VAG 16741)
- P0358Ignition coil H primary/secondary circuit (usually cylinder 8) (VAG 16742)
- P0359Ignition coil I primary/secondary circuit (usually cylinder 9) (VAG 16743)
- P0360Ignition coil J primary/secondary circuit (usually cylinder 10) (VAG 16744)
- P0361Ignition coil K primary/secondary circuit (usually cylinder 11) (VAG 16745)
- P0362Ignition coil L primary/secondary circuit (usually cylinder 12) (VAG 16746)
Injectors
- P0200Injector circuit/open (VAG 16584)
- P0201Injector circuit, cylinder 1 (VAG 16585)
- P0202Injector circuit, cylinder 2 (VAG 16586)
- P0203Injector circuit, cylinder 3 (VAG 16587)
- P0204Injector circuit, cylinder 4 (VAG 16588)
- P0205Injector circuit/open, cylinder 5 (VAG 16589)
- P0206Injector circuit/open, cylinder 6 (VAG 16590)
- P0207Injector circuit/open, cylinder 7 (VAG 16591)
- P0208Injector circuit/open, cylinder 8 (VAG 16592)
- P0209Injector circuit/open, cylinder 9 (VAG 16593)
- P0210Injector circuit/open, cylinder 10 (VAG 16594)
- P0211Injector circuit/open, cylinder 11 (VAG 16595)
- P0212Injector circuit/open, cylinder 12 (VAG 16596)
Network
- U0001High speed CAN communication bus
- U0100Lost communication with ECM/PCM A
- U0101Lost communication with TCM
- U0102Lost communication with transfer case control module
- U0103Lost communication with gear shift control module A
- U0104Lost communication with cruise control module
- U0105Lost communication with fuel injector control module
- U0106Lost communication with glow plug control module
- U0107Lost communication with throttle actuator control module
- U0109Lost communication with fuel pump control module
- U0121Lost communication with anti-lock brake system (ABS) control module
- U0122Lost communication with vehicle dynamics control module
- U0123Lost communication with yaw rate sensor module
- U0124Lost communication with lateral acceleration sensor module
- U0126Lost communication with steering angle sensor module
- U0128Lost communication with park brake control module
- U0129Lost communication with brake system control module
- U0131Lost communication with power steering control module
- U0140Lost communication with body control module
- U0151Lost communication with restraints control module (airbags)
- U0155Lost communication with instrument panel cluster (IPC) control module
- U0164Lost communication with HVAC control module
- U0168Lost communication with vehicle security control module
- U0184Lost communication with radio
- U0212Lost communication with steering column control module
- U0235Lost communication with cruise control front distance range sensor
- U0401Invalid data received from ECM/PCM A (engine)
- U0402Invalid data received from TCM (transmission)
- U0415Invalid data received from ABS control module
- U0422Invalid data received from body control module
Sensors
- P0110Intake air temperature sensor circuit (VAG 16494)
- P0111Intake air temperature sensor 1 circuit range/performance (VAG 16495)
- P0112Intake air temperature sensor circuit low (VAG 16496)
- P0113Intake air temperature sensor circuit high (VAG 16497)
- P0114Intake air temperature sensor 1 circuit intermittent (VAG 16498)
- P0500Vehicle speed sensor A (VAG 16884)
- P0501Vehicle speed sensor A range/performance (VAG 16885)
- P0502Vehicle speed sensor A circuit low input (VAG 16886)
- P0503Vehicle speed sensor A intermittent/erratic/high (VAG 16887)
Throttle
- P0120Throttle/pedal position sensor A circuit (VAG 16504)
- P0121Throttle/pedal position sensor A range/performance (VAG 16505)
- P0122Throttle/pedal position sensor A circuit low (VAG 16506)
- P0123Throttle/pedal position sensor A circuit high (VAG 16507)
- P0124Throttle/pedal position sensor A circuit intermittent (VAG 16508)
- P0220Throttle/pedal position sensor B circuit (VAG 16604)
- P0221Throttle/pedal position sensor B circuit range/performance (VAG 16605)
- P0222Throttle/pedal position sensor B circuit low (VAG 16606)
- P0223Throttle/pedal position sensor B circuit high (VAG 16607)
- P0224Throttle/pedal position sensor B circuit intermittent (VAG 16608)
- P2101Throttle actuator control motor circuit range/performance
- P2106Throttle actuator control system: forced limited power
- P2111Throttle actuator control system stuck open
- P2112Throttle actuator control system stuck closed
- P2122Throttle/pedal position sensor D circuit low
- P2123Throttle/pedal position sensor D circuit high
- P2127Throttle/pedal position sensor E circuit low
- P2128Throttle/pedal position sensor E circuit high
- P2135Throttle/pedal position sensor A/B voltage correlation
- P2138Throttle/pedal position sensor D/E voltage correlation
Transmission
- P0700Transmission control system (MIL request) (VAG 17084)
- P0705Transmission range sensor A circuit (PRNDL input) (VAG 17089)
- P0715Input/turbine speed sensor A circuit (VAG 17099)
- P0720Output speed sensor circuit (VAG 17104)
- P0729Gear 6 incorrect ratio (VAG 17113)
- P0730Incorrect gear ratio (VAG 17114)
- P0731Gear 1 incorrect ratio (VAG 17115)
- P0732Gear 2 incorrect ratio (VAG 17116)
- P0733Gear 3 incorrect ratio (VAG 17117)
- P0734Gear 4 incorrect ratio (VAG 17118)
- P0735Gear 5 incorrect ratio (VAG 17119)
- P0736Reverse incorrect ratio (VAG 17120)
- P0740Torque converter clutch solenoid circuit/open (VAG 17124)
- P0741Torque converter clutch solenoid circuit performance/stuck off (VAG 17125)
- P0750Shift solenoid A (VAG 17134)
- P0755Shift solenoid B (VAG 17139)
- P0760Shift solenoid C (VAG 17144)
- P0765Shift solenoid D (VAG 17149)
- P0770Shift solenoid E (VAG 17154)
Valve timing
- P0010Camshaft A position actuator circuit (bank 1) (VAG 16394)
- P0011Camshaft A timing over-advanced or system performance (bank 1) (VAG 16395)
- P0012Camshaft A timing over-retarded (bank 1) (VAG 16396)
- P0013Camshaft B position actuator circuit (bank 1) (VAG 16397)
- P0014Camshaft B timing over-advanced or system performance (bank 1) (VAG 16398)
- P0015Camshaft B timing over-retarded (bank 1) (VAG 16399)
- P0016Crankshaft/camshaft position correlation (bank 1 sensor A) (VAG 16400)
- P0017Crankshaft/camshaft position correlation (bank 1 sensor B) (VAG 16401)
- P0018Crankshaft/camshaft position correlation (bank 2 sensor A) (VAG 16402)
- P0019Crankshaft/camshaft position correlation (bank 2 sensor B) (VAG 16403)
- P0020Camshaft A position actuator circuit (bank 2) (VAG 16404)
- P0021Camshaft A timing over-advanced or system performance (bank 2) (VAG 16405)
- P0022Camshaft A timing over-retarded (bank 2) (VAG 16406)
- P0023Camshaft B position actuator circuit (bank 2) (VAG 16407)
- P0024Camshaft B timing over-advanced or system performance (bank 2) (VAG 16408)
- P0025Camshaft B timing over-retarded (bank 2) (VAG 16409)
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