Mercedes-Benz · Smart — fault codes starting with B14

184 fault codes starting with B14 on Mercedes-Benz · Smart vehicles, with descriptions: B1400, B1401, B1402 and more. Look up a code, read what it means.

Fault codes
184
Block
B14
Make group
Mercedes-Benz · Smart
Source language
English

The 184 Mercedes-Benz · Smart fault codes that start with B14, with descriptions.

CodeDescription
B1400CAN Bus Reports LED Circuit Fault
B1401M2/6 (Left Blending Air Flap Actuator) : LIN Bus Communication Circuit Fault; N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault
B1402M2/7 (Right Blending Air Flap Actuator) : LIN Bus Communication Circuit Fault; N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault
B1403A26/1 (Front Left IR Receiver Unit) : Short Circuit; M16/8 (Blending Air Flap Actuator Motor) - Teach in of Actuator Motors Was Not Successful
B1404A32/2m2 (Blend Air Flap Actuator Motor) - Teach in of Actuator Motors Was Not Successful; Component M14/6 (Left Door CL [ZV] Motor) Has Short Circuit
B1405A32/1m2 (Rear Heater Water Valve Motor) - Teach in of Actuator Motors Was Not Successful; N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault
B1406N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault; The Limit Switch of the Left Seat Belt Extender Is Circuit Fault
B1407Component E17/3 (Left Door Entrance/Exit Lamp) Has Short Circuit
B1408Left Rear Speaker 1 Has a Circuit Fault; M2/18 (Right Side Outlet Flap Actuator Motor) : Electrical Circuit Fault
B1409M2/18 (Right Side Outlet Flap Actuator Motor) : Mechanical Circuit Fault
B140CNot Relevant!; Right Rear Speaker 1 Has a Circuit Fault
B140DM2/18 (Right Side Outlet Flap Actuator Motor) : LIN Bus Communication Circuit Fault
B1410L12 (Left Door Keyless Go Lift Solenoid) : Short Circuit to Positive; M20 (Steering Column Adjustment Motor Group): Component M20s1 (Steering Column Driving Position Microswitch) Is Circuit Fault
B1411Rear Right Power Window : the Signal From the Hall Sensor 1 Is Circuit Fault
B1412L12/2 (Right Door Keyless Go Lift Solenoid) : Short Circuit to Positive; Rear Right Power Window : the Signal From the Hall Sensor 2 Is Circuit Fault
B1413Rear Right Power Window : Short Circuit of Supply Voltage for Hall Sensors
B1414Component L12/2 (Right Door Keyless Go Lift Solenoid) or Component L12 (Left Door Keyless Go Lift Solenoid) Short Circuit; Test Plug Connection 1
B1415Test Plug Connection 1; The Coding for the Ignition Circuit with Component Reserve 33 Is / Fault
B1416Coolant circulation pump (M13)
B1417Duovalve (Y21y1), left
B1418Duovalve (Y21y2), right
B1419Electromagnetic clutch (A9k1)
B141DM2/17 (Left Side Outlet Flap Actuator Motor) : LIN Bus Communication Circuit Fault
B1420Idle speed increase
B1421N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault; N65 (Cycle Module (Traction Systems, HCS, ATA, AC))
B1422Series interface (K1) connection to instrument cluster (A1)
B1423Switchover valve block (Y11)
B1424Activated charcoal filler actuator (A32m2) open
B1425Activated charcoal filler actuator (A32m2) closed
B1426A31/1m1 (Circulation Pump); Cutoff Because of Overvoltage at Terminal 56b
B1427A31/1m1 (Circulation Pump); M2/13 (Right Center Vent Air Flap Actuator Motor) Circuit Fault
B1428A31/1y1 (Left Duovalve); M2/13 (Right Center Vent Air Flap Actuator Motor) : Electrical Circuit Fault
B1429A31/1y2 (Right Duovalve); M2/13 (Right Center Vent Air Flap Actuator Motor) : Mechanical Circuit Fault
B142AThe Radio Receiver Has Overtemperature
B142DM2/13 (Right Center Vent Air Flap Actuator Motor) : LIN Bus Communication Circuit Fault
B1430Test Plug Connection 1; The Coding for the Ignition Circuit with Component Reserve 35 Is / Fault
B1431M16/22 (Up/Down Air Distribution Actuator Motor); Test Plug Connection 1
B1432Non-USA DTC
B1433Test Plug Connection 1; The Coding for the Ignition Circuit with Component Reserve 35 Is / Fault
B1434Test Plug Connection 1; The Bluetooth Antenna Has an Circuit Open
B1435Component B33 (ATA Inclination Sensor) Has T; Test Plug Connection 1
B1437M2/12 (Left Center Vent Air Flap Actuator Motor) Circuit Fault; The Safety Time Has Been Exceeded for the Following Pneumatic Branch: Lower or Raise Rear Head Restraints
B1438M2/12 (Left Center Vent Air Flap Actuator Motor) : Electrical Circuit Fault; The Safety Time Has Been Exceeded for the Following Pneumatic Branch: Multicontour Backrest
B1439M2/12 (Left Center Vent Air Flap Actuator Motor) : Mechanical Circuit Fault; The Safety Time Has Been Exceeded for the Following Pneumatic Branch: Manifold Vacuum Assist
B143AMicrophone 1 Has a Circuit Fault
B143BMicrophone 1 Has a Circuit Short to Ground
B143CMicrophone 1 Has a Short Circuit to Positive
B143DM2/12 (Left Center Vent Air Flap Actuator Motor) : LIN Bus Communication Circuit Fault
B143EMicrophone 2 Has a Circuit Short to Ground
B143FMicrophone 2 Has a Short Circuit to Positive
B1440B32/2 (AAC Sun Sensor (4 in Total))Important Note:If No Customer Complaint Exists, the Circuit Fault; B32/2 (C-AAC Sun Sensor (4 in Total))
B1441N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault; Test Plug Connection 1
B1442N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault; Test Plug Connection 1
B1443Component Y24/4 (Left Head Restraint Raise Valve); N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault
B1444Component Y24/5 (Right Head Restraint Raise Valve); N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault
B1445Component Y24/6 (Center Head Restraint Raise Valve); N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault
B1446N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault
B1447Fault in Hydraulic Unit of Trunk Lid; M2/11 (Right Footwell Flap Actuator) Circuit Fault
B1448M2/11 (Right Footwell Flap Actuator) : Electrical Circuit Fault
B1449M2/11 (Right Footwell Flap Actuator) : Mechanical Circuit Fault
B144DM2/11 (Right Footwell Flap Actuator) : LIN Bus Communication Circuit Fault
B1450B31 (C-AAC Multifunction Sensor); B31/2 (Air Humidity Sensor)Important Note:If No Customer Complaint Exists, the Circuit Fault
B1451M16/17 (Left Center Vent Diverter Flap Actuator Motor); Test Plug Connection 1
B1452M16/19 (Left Center Vent Temperature Regulating Flap Actuator Motor); Test Plug Connection 1
B1453Fresh Air and Recirculated Air Flap Y11/3 (Valve Block, 8 Valves) Fresh Air and Recirculated Air Flap Y11/3 (Valve Block, 8 Valves) Large Stroke; M16/21 (Fresh Air and Recirculated Air Flap Actuator Motor)
B1454Fresh Air and Recirculated Air Flap Y11/3 (Valve Block, 8 Valves); Test Plug Connection 1
B1455M16/13 (Left Defroster Nozzle Flap Actuator Motor); Test Plug Connection 1
B1456M16/14 (Right Defroster Nozzle Flap Actuator Motor)
B1457M16/15 (Left Footwell Flap Actuator Motor); M2/10 (Left Footwell Flap Actuator) Circuit Fault
B1458M16/16 (Right Footwell Flap Actuator Motor); M2/10 (Left Footwell Flap Actuator) : Electrical Circuit Fault
B1459Series interface (K2) connection to instrument cluster (A1)
B145DM2/10 (Left Footwell Flap Actuator) : LIN Bus Communication Circuit Fault
B1460A32n1 (Blower Regulator); A32n1 (Blower Regulator)Important Note:If No Customer Complaint Exists, the Circuit Fault
B1461A32n1 (Blower Regulator) / Short Circuit; A32n1 (Blower Regulator),Short Circuit EngineImportant Note:If No Customer Complaint Exists, the / Fault
B1462Wide open throttle (WOT) position signal diesel engines
B1463A32n1 (Blower Regulator) / Emergency Running; M16/18 (Right Center Vent Diverter Flap Actuator Motor)
B1464A32n1 (Blower Regulator) / Undervoltage; M16/20 (Right Center Vent Temperature Regulating Flap Actuator Motor)
B1465M16/8 (Blending Air Flap Actuator); N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault
B1466A32n1 (Blower Regulator) / Overvoltage; N2/7 (Restraint Systems Control Unit): Coding Is Circuit Fault
B1467A32n1 (Blower Regulator) / Cooling Element Temperature Is Voltage Too High; M16/32 (Heat Exchanger Shutoff Motor)
B1468M2/9 (Right Defroster Flap Actuator) : Electrical Circuit Fault; R22/3 (Heater Booster)
B1469"Blower Stage 1" Relay; M2/9 (Right Defroster Flap Actuator) : Mechanical Circuit Fault
B146ASpeaker Channel 3 Has a Circuit Fault
B146BSpeaker Channel 3 Has a Circuit Short to Ground
B146CSpeaker Channel 3 Has a Short Circuit to Positive
B146DM2/9 (Right Defroster Flap Actuator) : LIN Bus Communication Circuit Fault; Speaker Channel 3 Has an Circuit Open
B146ESpeaker Channel 3 Has a Short Circuit
B146FSpeaker Channel 4 Has a Circuit Fault
B1470Component B4 (Fuel Level Sensor) Is Circuit Fault; Speaker Channel 4 Has a Circuit Short to Ground
B1471Speaker Channel 4 Has a Short Circuit to Positive; The Coding for the Ignition Circuit with Component Reserve 39 Is / Fault
B1472Speaker Channel 4 Has an Circuit Open; The Coding for the Ignition Circuit with Component Reserve 39 Is / Fault
B1473Speaker Channel 4 Has a Short Circuit; The Coding for the Ignition Circuit with Component Reserve 39 Is / Fault
B1474Speaker Channel 5 Has a Circuit Fault; The Coding for the Ignition Circuit with Component Reserve 39 Is / Fault
B1475The Coding for the Ignition Circuit with Component Reserve 39 Is / Fault; The Preglow Lamp Is Circuit Fault
B1476Airbag malfunction indicator and warning lamp is defective
B1477M2/8 (Left Defroster Flap Actuator) Circuit Fault
B1478M2/8 (Left Defroster Flap Actuator) : Electrical Circuit Fault
B1479M2/8 (Left Defroster Flap Actuator) : Mechanical Circuit Fault; Speaker Channel 6 Has a Circuit Fault
B147DM2/8 (Left Defroster Flap Actuator) : LIN Bus Communication Circuit Fault
B147ESpeaker Channel 7 Has a Circuit Fault
B1480Component E1m1 (Left Headlamp Range Adjustment Motor) Has T
B1481HRA: Part E2m1 (Right headlamp range adjustment motor) has short to ground
B1482Component E1m1 (Left Headlamp Range Adjustment Motor) Has S; Night Lighting of Rear Control Field Not Possible
B1483Component E2m1 (Right Headlamp Range Adjustment Motor) Has S; Component N76 (Engine and AC Electric Suction Fan Control Module) Has S or Q
B1484Component E1m1 (Left Headlamp Range Adjustment Motor) Has T; Component K40/2k3 (Windshield Cleaning Relay) Has T
B1485Component E2m1 (Right Headlamp Range Adjustment Motor) Has T
B1486Component E1m1 (Left Headlamp Range Adjustment Motor) Has S; Component K25 (Auxiliary Fan Unit Relay) Has S or Q
B1487Component E2m1 (Right Headlamp Range Adjustment Motor) Has S; M2/5 (Fresh and Recirculated Air Flaps Actuator) Circuit Fault
B1488Component E1m1 (Left Headlamp Range Adjustment Motor) Has Q; M16/21 (Fresh Air/Recirculated Air Flap Actuator Motor) ( Electrical Circuit Fault
B1489HRA: Part E2m1 (Right headlamp range adjustment motor) has open or short to positive
B148AComponent E1m1 (Left Headlamp Range Adjustment Motor) Is Blocked or Has Reversed Polarity or Has U
B148BComponent E2m1 (Right Headlamp Range Adjustment Motor) Is Blocked or Has Reversed Polarity or Has U
B148CComponent E1m1 (Left Headlamp Range Adjustment Motor) Has T or Q
B148DComponent E2m1 (Right Headlamp Range Adjustment Motor) Has T or Q; M2/5 (Fresh and Recirculated Air Flaps Actuator) : LIN Bus Communication Circuit Fault
B148EComponent E1m1 (Left Headlamp Range Adjustment Motor) Has S or Q
B148FComponent E2m1 (Right Headlamp Range Adjustment Motor) Has S or Q
B1490A32m2 (Activated Charcoal Filter Flap Adjustment Motor); AKF-Klappe Elektrisch
B1491Component E2m1 (Right Headlamp Range Adjustment Motor) Has T
B1492HRA: Part E1m1 (Left headlamp range adjustement motor) has short to positive
B1493Component E2m1 (Right Headlamp Range Adjustment Motor) Has S
B1494Component E1m1 (Left Headlamp Range Adjustment Motor) Has an Signal Implausible
B1495Component E2m1 (Right Headlamp Range Adjustment Motor) Has an Signal Implausible
B1497Component H3/1 (Alarm Signal Siren with Additional Battery) Is Not Coded or Circuit Fault; M2/33 (Lower Right Blending Air Flap Actuator Motor) Circuit Fault
B1498M16/33 (Left B-pillar Air Distribution Actuator Motor) ( Electrical Circuit Fault; M2/16 (Left and Right Defroster Flaps Actuator)Important Note:After Successfully Aligning the Actuator Motor, the Circuit Fault
B1499M2/33 (Lower Right Blending Air Flap Actuator Motor) : Mechanical Circuit Fault; TV Antenna Has a Short Circuit
B149ATV Antenna 1 Has an Circuit Open; There Is a Discontinuity in the Line of TV Antenna 1
B149BTV Antenna Has a Short Circuit; There Is a Short Circuit in the Line of TV Antenna 2
B149CTV Antenna 2 Has an Circuit Open; There Is a Discontinuity in the Line of TV Antenna 2
B149DM2/33 (Lower Right Blending Air Flap Actuator Motor) : LIN Bus Communication Circuit Fault; TV Antenna Has a Short Circuit
B149ETV Antenna 3 Has an Circuit Open; There Is a Discontinuity in the Line of TV Antenna 3
B149FNot Relevant!; TV Antenna Has a Short Circuit
B14A0M16/34 (Right B-pillar Air Distribution Actuator Motor) ( Electrical Circuit Fault; M2/9 (Right Defroster Flap Actuator)
B14A1ERROR Prio 2: TV Antenna Amplifier Control Line Not Connected; Not Relevant!
B14A2ERROR Prio 2: TV Antenna Amplifier Control Line Circuit; Not Relevant!
B14A3The Output for the Front Video Signal Has a Circuit Fault; The Video Signal Line to the COMAND Unit Has a Short Circuit
B14A4The Video Signal Line to the COMAND Unit Has an Circuit Open
B14A5The Output for the Rear Video Signal Has a Circuit Fault; The Video Signal Line to the Rear Entertainment System Has a Short Circuit
B14A6The Video Signal Line to the Rear Entertainment System Has an Circuit Open
B14A7M2/31 (Lower Left Blending Air Flap Actuator Motor) Circuit Fault
B14A8M16/15 (Left Footwell Flap Actuator Motor) ( Electrical Circuit Fault; M2/10 (Left Footwell Flap Actuator)
B14A9M2/31 (Lower Left Blending Air Flap Actuator Motor) : Mechanical Circuit Fault; The Audio Signal Line to the Rear Entertainment System Has a Short Circuit
B14AANot Relevant!; The Audio Signal Line to the Rear Entertainment System Has an Circuit Open
B14ABThe Output for the Front Audio Signal Has a Circuit Fault
B14ADM2/31 (Lower Left Blending Air Flap Actuator Motor) : LIN Bus Communication Circuit Fault
B14B0M16/16 (Right Footwell Flap Actuator Motor) ( Electrical Circuit Fault; M2/11 (Right Footwell Flap Actuator)
B14B1The Band III Antenna Has a Short Circuit to Positive
B14B2The Band III Antenna Has an Circuit Open
B14B4The L-band Antenna Has a Circuit Short to Ground
B14B5The L-band Antenna Has a Short Circuit to Positive
B14B6Not Relevant!; The L-band Antenna Has an Circuit Open
B14B7M2/32 (Upper Right Blending Air Flap Actuator Motor) Circuit Fault; Microphone 1 Has an Circuit Open
B14B8M16/35 (Left Rear Diffuse Field Flap Actuator Motor) ( Electrical Circuit Fault; M2/19 (Left Fresh Air Flap Actuator)Important Note:After Successfully Aligning the Actuator Motor, the Circuit Fault
B14B9M2/32 (Upper Right Blending Air Flap Actuator Motor) : Mechanical Circuit Fault; Speaker Channel 9 Has a Circuit Fault
B14BDM2/32 (Upper Right Blending Air Flap Actuator Motor) : LIN Bus Communication Circuit Fault
B14BESpeaker Channel 10 Has a Circuit Fault
B14C0M16/36 (Right Rear Diffuse Field Flap Actuator Motor) ( Electrical Circuit Fault; M2/20 (Right Fresh Air Flap Actuator)Important Note:After Successfully Aligning the Actuator Motor, the Circuit Fault
B14C3Speaker Channel 11 Has a Circuit Fault
B14C7M2/30 (Upper Left Blending Air Flap Actuator Motor) Circuit Fault
B14C8M16/19 (Left Rear Center Nozzle Open/Close Actuator Motor) ( Electrical Circuit Fault; M2/6 (Left Blending Air Flap Actuator)
B14C9M2/30 (Upper Left Blending Air Flap Actuator Motor) : Mechanical Circuit Fault
B14CDM2/30 (Upper Left Blending Air Flap Actuator Motor) : LIN Bus Communication Circuit Fault
B14D0M16/20 (Right Rear Center Nozzle Open/Close Actuator Motor) ( Electrical Circuit Fault; M2/7 (Right Blending Air Flap Actuator)
B14D2Radio Antenna 1 Has an Circuit Open
B14D3Radio Antenna 2 Has a Circuit Short to Ground
B14D5Radio Antenna 2 Has an Circuit Open
B14D6The GPS Antenna Has a Circuit Short to Ground
B14D7M16/33 (Left B-pillar Air Distribution Actuator Motor) Circuit Fault
B14D8M16/23 (Left Rear Center Nozzle Blending Air Flap Actuator Motor) ( Electrical Circuit Fault; M16/33 (Left B-pillar Air Distribution Actuator Motor) : Electrical Circuit Fault
B14D9M16/33 (Left B-pillar Air Distribution Actuator Motor) : Mechanical Circuit Fault; The Internal Hard Disk Has a Circuit Fault
B14DAOne or More Function Keys Are Jammed
B14DBThe Satellite Radio Receiver Has Overtemperature
B14DCThe Digital Radio Receiver Has Overtemperature
B14DDM16/33 (Left B-pillar Air Distribution Actuator Motor) : LIN Bus Communication Circuit Fault; The External Audio Amplifier Has Overtemperature
B14DENot Relevant!
B14E0M16/24 (Right Rear Center Nozzle Blending Air Flap Actuator Motor) ( Electrical Circuit Fault; M2/13 (Right Center Outlet Flap Actuator Motor)
B14E7M16/34 (Right B-pillar Air Distribution Actuator Motor) Circuit Fault
B14E8M16/34 (Right B-pillar Air Distribution Actuator Motor) : Electrical Circuit Fault; M2/17 (Left Side Outlet Flap Actuator Motor)
B14E9M16/34 (Right B-pillar Air Distribution Actuator Motor) : Mechanical Circuit Fault
B14EDM16/34 (Right B-pillar Air Distribution Actuator Motor) : LIN Bus Communication Circuit Fault
B14F0M16/38 (Right B-pillar Air Flap Open/Close Actuator Motor) ( Electrical Circuit Fault; M2/18 (Right Side Outlet Flap Actuator Motor)
B14F7M16/19 (Left Rear Center Nozzle Open/Close Actuator Motor) Circuit Fault
B14F8M16/19 (Left Rear Center Nozzle Open/Close Actuator Motor) : Electrical Circuit Fault; The CD/DVD Cannot Be Ejected
B14F9M16/19 (Left Rear Center Nozzle Open/Close Actuator Motor) : Mechanical Circuit Fault; The Internal Hard Disk Is Full
B14FDM16/19 (Left Rear Center Nozzle Open/Close Actuator Motor) : LIN Bus Communication Circuit Fault

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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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