Volkswagen · Seat · Skoda · CupraB12256 codes

Volkswagen · Seat · Skoda · Cupra — fault codes starting with B12

256 fault codes starting with B12 on Volkswagen · Seat · Skoda · Cupra vehicles, with descriptions: B1200, B1201, B1202 and more.

Fault codes
256
Block
B12
Make group
Volkswagen · Seat · Skoda · Cupra
Source language
English

The 256 Volkswagen · Seat · Skoda · Cupra fault codes that start with B12, with descriptions.

CodeDescription
B1200Dimming for interior light->short circuit to battery positive
B1201Controller for illumination - switch AND instruments-E20 (dimmer potentiometer, terminal 58s/st supply)->short circuit to ground
B1202Restraint System Passenger Enable Indicator Incorrect Component Installed
B1203Driver Side Microphone 1
B1204Driver Side Microphone 2
B1205Driver Side Microphone 3
B1206Crash Occurred
B1207Crash Input Hardwired Signal FM (Frequency Modulated) / PWM (Pulse Width Modulated) Failure
B1208Microphone 3 for front passenger side
B1209Ioc_sw_kl30_on_short_to_gnd
B120AHall sensors in rear lid motor 2
B120BPlay protection active
B120CHeater for Windshield Mounted Sensor Circuit Short To Ground
B120DSensor 2 for rear hatch position
B120EFront Airbag Igniter Vent Driver Side resistance too high
B120FFront Airbag Igniter Vent Passenger Side resistance too high
B1210Switch for remote tailgate release-E188
B1211Igniter, driver 2, resistance too low
B1212Rear lid motor 1
B1213Relay for coolant pump and auxiliary air heating
B1214Occupant Detection System limited function environmental reasons
B1215Luggage compartment light, open circuit/short circuit to B+
B1216Engine compartment light->short circuit to ground
B1217LED low beam left, deviation between CAN information and terminal voltage
B1218LED low beam right, deviation between CAN information and terminal voltage
B1219Interior Boot/Trunk Release Switch Circuit Short To Ground
B121AKeypad Illumination Output Circuit Short To Battery or Open
B121BKeypad Input Switch General Electrical Failure
B121CDipped beam blind right open circuit/short circuit to positive
B121DDaytime running lamp left->short circuit to ground
B121EDaytime running lamp right->short circuit to ground
B121FFog lamp left->short circuit to ground
B1220Fog lamp right->short circuit to ground
B1221Static cornering lamp/cornering light left-M51->short circuit to ground
B1222Static cornering lamp/cornering light right-M52->short circuit to ground
B1223Motor for rear window wiper-V12->short circuit to ground
B1224Spray nozzle heater, open circuit/short circuit to B+
B1225Sensor for Occupant Detection interruption measurement not possible
B1226EM_DCAC_Functional_Limitation_High_Temperture
B1227EM_DCAC_Functional_Limitation_Overload
B1228Power_converter_DC_AC_temporary_malfunction_due_to_primary_high_current_limit
B1229Power_converter_DC_AC_temporary_malfunction_due_to_secondary_high_current_limit
B122APower_converter_DC_AC_faulty
B122BParktronic sensor 7 has a malfunction. No signal change: voltage level low
B122CCentral locking motors, rear
B122DCentral locking unit implausible signal
B122ESubbus latch Feed back
B122FKey switch in lock cylinder driver side implausible signal
B1230Parktronic sensor 8 has a malfunction. No signal change: voltage level low
B1231Sub Bus LU Switch
B1232Actuator motor for air distribution flap, side and centre vents, stiff, blocked
B1233Air distribution damper side and center outlet actuator - RMP short circuit to positive, or open circuit
B1234Actuator motor for air distribution flap front footwell - stiff, blocked
B1235Parktronic sensor 9 has a malfunction. No signal change: voltage level low
B1236Actuator motor for air distribution flap rear 2, roof/window - stiff, blocked
B1237Air distribution damper rear 2 roof/window actuator - RMP short circuit to positive, or open circuit
B1238ECU insert buttons mechanical malfunction
B1239Supply voltage for roof microphone
B123AParktronic sensor 10 has a malfunction. No signal change: voltage level low
B123BRight Front Turn Indicator Circuit Short To Battery or Open
B123CFlap Closed RH (retracted): convertible top flap switch right - invalid signal
B123DSwitch for left convertible top compartment cover open
B123ESwitch for right convertible top compartment cover open
B123FSwitch for top flaps retracted
B1240Start Button Mode Indicator Circuit Short To Battery or Open
B1241Switch for top flaps extended
B1242Switch for rear window in center position
B1243Switch for rear window in bottom position
B1244Parktronic sensor 1 has a malfunction. No signal change: voltage level low
B1245CD Changer Not Responding
B1246GSM (Group System for Mobile) Antenna Circuit Short To Ground
B1247Left Rear Turn Indicator Circuit Short To Battery or Open
B1248Right Rear Turn Indicator Circuit Short To Battery or Open
B1249Parktronic sensor 2 has a malfunction. No signal change: voltage level low
B124ARight Daytime Running Light Circuit Short To Battery or Open
B124BLeft Daytime Running Light Circuit Short To Battery or Open
B124CTurn Indicator Stalk Switch Pack Component Internal Failure
B124DTire Pressure Sensor Incorrect Component Installed
B124EParktronic sensor 3 has a malfunction. No signal change: voltage level low
B124FAntenna 1 for TV antenna module - antenna
B1250Tire Pressure Monitoring System (TPMS) Sensor Pressure Range
B1251Tire Pressure Sensor Low Battery
B1252USB Port Circuit Short To Ground
B1253Parktronic sensor 4 has a malfunction. No signal change: voltage level low
B1254Right Rear (Outside on Duel Wheel) Tire Pressure Sensor and Transmitter Assembly Not Programmed
B1255Left Rear (Outside On Duel Wheel) Tire Pressure Sensor and Transmitter Assembly Not Programmed
B1256Inner Right Rear (IRR) (Only On Dual Wheel) Tire Pressure Sensor and Transmitter Assembly Not Programmed
B1257Inner Left Rear (ILR) (Only On Duel Wheel) Tire Pressure Sensor and Transmitter Assembly Not Programmed
B1258Parktronic sensor 5 has a malfunction. No signal change: voltage level low
B1259TV antenna 5
B125AAntenna 5 for TV TV tuner-antenna module
B125BAntenna 5 for TV antenna module - antenna
B125CVideo link to display unit - short circuit to Terminal 30
B125DParktronic sensor 6 has a malfunction. No signal change: voltage level low
B125EData carrier
B125FPower latching motor open circuit/Short circuit to B+
B1260Rear temperature selection potentiometer
B1261Windshield washer pump control - open circuit/short circuit to positive
B1262Headlight cleaning system control open circuit/short circuit to positive
B1263Unidirectional fuel filler control - electrical fault in circuit
B1264Windshield heater control, open circuit/short circuit to B+
B1265Left Rear Turn Lamp Feedback General Electrical Failure
B1266Right Rear Turn Lamp Feedback General Electrical Failure
B1267Front windshield heater button - implausible signal
B1268Indicator lamp for heated rear window-K10->short circuit to ground
B1269Indicator lamp for heated windscreen-K122->short circuit to ground
B126ADrivers Door Interior Lock Switch General Electrical Failure
B126BOBD_M_Fan_NotConnected_OTHER_SYSTEM
B126CDecklid/Boot/Trunk Key Cylinder Switch Circuit Short To Ground
B126DConnection between radio and antenna amplifier 1
B126EConnection between radio and antenna amplifier 2
B126FDigital radio antenna 2
B1270Connection between radio and impedance converter DAB 1 - open circuit
B1271Theft Lock Enabled
B1272Connection between antenna amplifier 1 and antenna
B1273Connection between antenna amplifier 2 and antenna
B1274Connection between impedance converter DAB 1 and window aerial - open circuit
B1275Connec from antenna amplifier 2 f digital radio and antenna
B1276Connection for headphones 1
B1277Reverse Lamp Circuit Short To Battery or Open
B1278Video link to FV camera - implausible signal
B1279Video link to RV camera - implausible signal
B127AVideo link to SV left camera - short circuit to Terminal 30
B127BVideo link to SV right camera - short circuit to Terminal 30
B127CVoltage line to FV camera - current to high
B127DVoltage line to RV camera - current to high
B127ESV camera left OC camera online calibration failed
B127FSV camera right OC camera online calibration failed
B1280Control module not adapted - Warping
B1281Sensor for humidity defective
B1282Refrigerant pressure sensor
B1283Pressure in refrigerant circuit
B1284Camera front voltage open circuit
B1285Supply voltage for rear environmental camera
B1286Supply voltage for left environmental camera
B1287Supply voltage for right environmental camera
B1288Interface for external multimedia devices (MEDIA-IN)
B1289Switch for front outside or inside door handle
B128ASub bus Tig Tag Switch
B128BWFS key programming incorrect - radio remote control
B128CSpeaker #15 Circuit Open
B128DPower convertible top valve 6
B128ETraffic data antenna
B128FControl module for chip card reader
B1290DSRC antenna
B1291Control panel, radio receiver for remote control faulty
B1292Buttons, remote control 1 - jam
B1293Switch for left convertible top compartment cover lock locked
B1294Switch for right convertible top compartment cover lock locked
B1295Switch f left convert top compartment cover lock unlocked
B1296Switch f right convertible top compartment cover lock unlocked
B1297Display 1, supply voltage error, upper limit value exceeded
B1298Display 2, supply voltage error, lower limit value not reached
B1299Display 3, supply voltage error, lower limit value not reached
B129ADisplay 4, LVDS connection - open circuit
B129BMicrophone 1 - short circuit to ground
B129CLeft Front Side Sensor Component or System Operation Obstructed or Blocked
B129DRight Front Side Sensor Component or System Operation Obstructed or Blocked
B129EEnable/Disable Switch - Semi-automatic Advanced Parallel Park Circuit Open
B129FChild lock switch -> implausible SignalB129F29
B12A0Component_protection_master_debug_mode_active
B12A1Left indirect air vent motor, lower limit not reached
B12A2Right indirect air vent motor, lower limit not reached
B12A3Adaptation values
B12A4Rear flash lights - short circuit to ground
B12A5Additional turn signal left - short circuit to ground
B12A6Additional turn signal right - short circuit to ground
B12A7Cargo area light - short circuit to ground
B12A8Radio supply 1 - short circuit to ground
B12A9Radio supply 2 - short circuit to ground
B12AASupply voltage 1 for roof sign
B12ABSupply voltage 2 for roof sign
B12ACSignal system tone sequence activate - electrical fault
B12ADIndicator lamp for roof sign
B12AEInterior light button indicator light - short circuit to positive
B12AFSpecial signal status indicator lamp
B12B0Blue lamp indicator lamp
B12B1Footwell light button indicator light - short circuit to positive
B12B2Radio power supply button indicator light - short circuit to positive
B12B3Daytime running light disable indicator light - short circuit to positive
B12B4Dipped beam indicator light - electrical fault
B12B5Left turn signal indicator light - electrical fault
B12B6Right turn signal indicator light - electrical fault
B12B7Switch Pack LED Circuit Short To Battery
B12B8Auxiliary high beam headlamp left->short circuit to ground
B12B9Auxiliary high beam headlamp right->short circuit to ground
B12BALock Status LED - Front Circuit Short To Ground
B12BBSide marker lamp front right->short circuit to ground
B12BCLeft rear side marker lamp bulb, open circuit/short circuit to B+
B12BDRight rear side marker lamp bulb, open circuit/short circuit to B+
B12BELeft tail light bulb, open circuit/short circuit to B+
B12BFRight tail light bulb, open circuit/short circuit to B+
B12C0Left tail light bulb 2, open circuit/short circuit to B+
B12C1Right tail light bulb 2, open circuit/short circuit to B+
B12C2Left brake light bulb, open circuit/short circuit to B+
B12C3Right brake light bulb, open circuit/short circuit to B+
B12C4Left brake light bulb 2, open circuit/short circuit to B+
B12C5Right brake light bulb 2, open circuit/short circuit to B+
B12C6Bulb for high-mount brake light, open circuit/short circuit to B+
B12C7Left rear fog light bulb, open circuit/short circuit to B+
B12C8Right rear fog light bulb, open circuit/short circuit to B+
B12C9Rear fog lamp(s)->short circuit to ground
B12CAStart/Stop "Eco-Start" Status Indicator Circuit Short To Battery or Open
B12CBLeft back-up light bulb, open circuit/short circuit to B+
B12CCRight back-up light bulb, open circuit/short circuit to B+
B12CDReversing lamp(s)->short circuit to ground
B12CELeft rear turn signal bulb 2, open circuit/short circuit to B+
B12CFRight rear turn signal bulb 2, open circuit/short circuit to B+
B12D0Side turn signal lamp left->short circuit to ground
B12D1Side turn signal lamp right->short circuit to ground
B12D2Entry light rear left->short circuit to ground
B12D3Rear entry light right open circuit/short circuit to positive
B12D4Windscreen wiper motor activation (stage 1)->short circuit to ground
B12D5Windscreen wiper motor activation (stage 2)->short circuit to ground
B12D6End position switch for windscreen wiper => incorrect wipe frequency
B12D7Rear door connection motor right - electrical fault in circuit
B12D8Rear door connection motor left - electrical fault in circuit
B12D9Rear window opening button
B12DARear window release unit control short circuit to ground
B12DBLocking unit for central locking, rear driver side->implausible safe state
B12DCLocking unit for central locking, rear front passenger side->implausible safe state
B12DDTailgate spoiler central locking system motor, malfunction
B12DELocking unit for central locking, tailgate->implausible safe state
B12DFLarge rear door selection button - implausible signal
B12E0Rear door closing assist motor electrical fault
B12E1Rear door closing assist motor end switch implausible signal
B12E2Igniter for window bag front right, short circuit/leakage to battery positive.
B12E3Igniter for window bag front right, short circuit/leakage to ground
B12E4Vent light right, electrical fault
B12E5Terminal 15 (1) = short circuit to battery positive
B12E6Terminal 15 (2) = short circuit to battery positive
B12E7Speaker in instrument cluster
B12E8Liftgate/Tailgate Control/Release Switch Circuit Short To Ground
B12E9Position lamp right->short circuit to ground
B12EADaytime running lamp/position lamp left->short circuit to ground
B12EBDaytime running lamp/position lamp right->short circuit to ground
B12ECLED module for daytime running light/position light left (supply)->short circuit to ground
B12EDLED module for daytime running light/position light right (supply)->short circuit to ground
B12EELiftgate/Tailgate/Trunk Release Circuit Short To Battery or Open
B12EFTrailer Fog Lamp Circuit Short To Battery
B12F0Luggage compartment cover motor
B12F1passenger-airbag-on display interruption/short to ground
B12F2Digital Transmission Content Protection (DTCP)
B12F3Indicator light for tone sequence readiness
B12F4Vehicle Speed Output Circuit Short To Battery
B12F5External speaker indicator lamp
B12F6Indicator light for tone sequence switchover (city/country)
B12F7City/country tone sequence changeover control - short circuit to positive
B12F8City/country tone sequence changeover button - implausible signal
B12F9Power outlet with deep discharge protection - short circuit to ground
B12FADaytime running lamp deactivation button
B12FBBlue light button
B12FCTone sequence switch
B12FDImmobilizer_installation_not_completed_production
B12FEWFS engine control module 2 not authorized
B12FFWFS engine control module 3 not authorized

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Code descriptions are shown in their source language; records without a translation stay raw. Source: CarCoding fault code database.

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