2017 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Airbag System DTCS

AIRBAG SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION (1 OF 2)

DTC Item Content of diagnosis Reference
U0073 CONTROL MODULE COMMUNICATION BUS OFF CAN communication error occurred. <Ref. to DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF , Diagnostic Chart with Trouble Code.>
B1000 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1000 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1003 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1003 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1105 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1105 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1106 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1106 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1115 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1115 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1116 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1116 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1120 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1120 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1121 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1121 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1125 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1125 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1126 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1126 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1135 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1135 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1136 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1136 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1145 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1145 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1146 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1146 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1170 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1170 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1185 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1185 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1195 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1195 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1196 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1196 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1199 AIRBAG ECU MALFUNCTION Airbag control module is faulty. <Ref. to DTC B1199 AIRBAG ECU MALFUNCTION , Diagnostic Chart with Trouble Code.>
B11F3 FRONT IMPACT DEPLOYMENT Front airbag module and seat belt pretensioner (LH/RH) are inflated. <Ref. to DTC B11F3 FRONT IMPACT DEPLOYMENT , Diagnostic Chart with Trouble Code.>
B11F4 FRONT IMPACT DEPLOYMENT Front airbag module and seat belt pretensioner (LH/RH) are inflated. <Ref. to DTC B11F4 FRONT IMPACT DEPLOYMENT , Diagnostic Chart with Trouble Code.>
B11F5 FRONT IMPACT DEPLOYMENT Front airbag module and seat belt pretensioner (LH/RH) are inflated. <Ref. to DTC B11F5 FRONT IMPACT DEPLOYMENT , Diagnostic Chart with Trouble Code.>
B11F7 SIDE IMPACT DEPLOYMENT
  • Side airbag module and curtain airbag module are deployed.
  • Curtain airbag module is deployed.
 <Ref. to DTC B11F7 SIDE IMPACT DEPLOYMENT , Diagnostic Chart with Trouble Code.>
B11F8 SIDE IMPACT DEPLOYMENT
  • Side airbag module and curtain airbag module are deployed.
  • Curtain airbag module is deployed.
 <Ref. to DTC B11F8 SIDE IMPACT DEPLOYMENT , Diagnostic Chart with Trouble Code.>
B11F9 SIDE IMPACT DEPLOYMENT
  • Side airbag module and curtain airbag module are deployed.
  • Curtain airbag module is deployed.
 <Ref. to DTC B11F9 SIDE IMPACT DEPLOYMENT , Diagnostic Chart with Trouble Code.>
B11FA SIDE IMPACT DEPLOYMENT
  • Side airbag module and curtain airbag module are deployed.
  • Curtain airbag module is deployed.
 <Ref. to DTC B11FA SIDE IMPACT DEPLOYMENT , Diagnostic Chart with Trouble Code.>
B11FB SIDE IMPACT DEPLOYMENT
  • Side airbag module and curtain airbag module are deployed.
  • Curtain airbag module is deployed.
 <Ref. to DTC B11FB SIDE IMPACT DEPLOYMENT , Diagnostic Chart with Trouble Code.>
B11FC SIDE IMPACT DEPLOYMENT
  • Side airbag module and curtain airbag module are deployed.
  • Curtain airbag module is deployed.
 <Ref. to DTC B11FC SIDE IMPACT DEPLOYMENT , Diagnostic Chart with Trouble Code.>
B1610 FRONT SUB SENSOR RH FAILURE Front sub sensor RH is faulty <Ref. to DTC B1610 FRONT SUB SENSOR RH FAILURE , Diagnostic Chart with Trouble Code.>
B1612 FRONT SUB SENSOR RH LOST COMMUNICATION
  • Open or short circuit in harness RH between airbag control module and front sub sensor.
  • Front sub sensor RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1612 FRONT SUB SENSOR RH LOST COMMUNICATION , Diagnostic Chart with Trouble Code.>
B1613 FRONT SUB SENSOR RH INITIALIZATION ERROR <Ref. to DTC B1613 FRONT SUB SENSOR RH INITIALIZATION ERROR , Diagnostic Chart with Trouble Code.>
B1615 FRONT SUB SENSOR LH FAILURE Front sub sensor LH is faulty. <Ref. to DTC B1615 FRONT SUB SENSOR LH FAILURE , Diagnostic Chart with Trouble Code.>
B1617 FRONT SUB SENSOR LH LOST COMMUNICATION
  • Open or short circuit in harness LH between airbag control module and front sub sensor.
  • Front sub sensor LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1617 FRONT SUB SENSOR LH LOST COMMUNICATION , Diagnostic Chart with Trouble Code.>
B1618 FRONT SUB SENSOR LH INITIALIZATION ERROR <Ref. to DTC B1618 FRONT SUB SENSOR LH INITIALIZATION ERROR , Diagnostic Chart with Trouble Code.>
B16F2 FRONT SUB SENSOR RH RECOGNITION ERROR
  • Front sensor RH is misinstalled.
  • Airbag control module is faulty.
 <Ref. to DTC B16F2 FRONT SUB SENSOR RH RECOGNITION ERROR , Diagnostic Chart with Trouble Code.>
B16F3 FRONT SUB SENSOR LH RECOGNITION ERROR
  • Front sensor LH is misinstalled.
  • Airbag control module is faulty.
 <Ref. to DTC B16F3 FRONT SUB SENSOR LH RECOGNITION ERROR , Diagnostic Chart with Trouble Code.>
B1620 SIDE AIRBAG SENSOR RH FAILURE Side airbag sensor RH is faulty. <Ref. to DTC B1620 SIDE AIRBAG SENSOR RH FAILURE , Diagnostic Chart with Trouble Code.>
B1622 SIDE AIRBAG SENSOR RH LOST COMMUNICATION
  • Open or short circuit in harness RH between airbag control module and side airbag sensor.
  • Side airbag sensor RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1622 SIDE AIRBAG SENSOR RH LOST COMMUNICATION , Diagnostic Chart with Trouble Code.>
B1623 SIDE AIRBAG SENSOR RH INITIALIZATION ERROR <Ref. to DTC B1623 SIDE AIRBAG SENSOR RH INITIALIZATION ERROR , Diagnostic Chart with Trouble Code.>
B1625 SIDE AIRBAG SENSOR LH FAILURE Side airbag sensor LH is faulty. <Ref. to DTC B1625 SIDE AIRBAG SENSOR LH FAILURE , Diagnostic Chart with Trouble Code.>
B1627 SIDE AIRBAG SENSOR LH LOST COMMUNICATION
  • Open or short circuit in harness LH between airbag control module and side airbag sensor.
  • Side airbag sensor LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1627 SIDE AIRBAG SENSOR LH LOST COMMUNICATION , Diagnostic Chart with Trouble Code.>
B1628 SIDE AIRBAG SENSOR LH INITIALIZATION ERROR <Ref. to DTC B1628 SIDE AIRBAG SENSOR LH INITIALIZATION ERROR , Diagnostic Chart with Trouble Code.>
B1630 CURTAIN AIRBAG SENSOR RH FAILURE Curtain airbag sensor RH is faulty. <Ref. to DTC B1630 CURTAIN AIRBAG SENSOR RH FAILURE , Diagnostic Chart with Trouble Code.>
B1632 CURTAIN AIRBAG SENSOR RH LOST COMMUNICATION
  • Open or short circuit in harness RH between airbag control module and curtain airbag sensor.
  • Side airbag sensor RH is faulty.
  • Curtain airbag sensor RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1632 CURTAIN AIRBAG SENSOR RH LOST COMMUNICATION , Diagnostic Chart with Trouble Code.>
B1633 CURTAIN AIRBAG SENSOR RH INITIALIZATION ERROR <Ref. to DTC B1633 CURTAIN AIRBAG SENSOR RH INITIALIZATION ERROR , Diagnostic Chart with Trouble Code.>
B1635 CURTAIN AIRBAG SENSOR LH FAILURE Curtain airbag sensor LH is faulty. <Ref. to DTC B1635 CURTAIN AIRBAG SENSOR LH FAILURE , Diagnostic Chart with Trouble Code.>
B1637 CURTAIN AIRBAG SENSOR LH LOST COMMUNICATION
  • Open or short circuit in harness LH between airbag control module and curtain airbag sensor.
  • Side airbag sensor LH is faulty.
  • Curtain airbag sensor LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1637 CURTAIN AIRBAG SENSOR LH LOST COMMUNICATION , Diagnostic Chart with Trouble Code.>
B1638 CURTAIN AIRBAG SENSOR LH INITIALIZATION ERROR <Ref. to DTC B1638 CURTAIN AIRBAG SENSOR LH INITIALIZATION ERROR , Diagnostic Chart with Trouble Code.>
B16F4 SIDE AIRBAG SENSOR RH RECOGNITION ERROR
  • Side airbag sensor RH is misinstalled.
  • Airbag control module is faulty.
 <Ref. to DTC B16F4 SIDE AIRBAG SENSOR RH RECOGNITION ERROR , Diagnostic Chart with Trouble Code.>
B16F5 SIDE AIRBAG SENSOR LH RECOGNITION ERROR
  • Side airbag sensor LH is misinstalled.
  • Airbag control module is faulty.
 <Ref. to DTC B16F5 SIDE AIRBAG SENSOR LH RECOGNITION ERROR , Diagnostic Chart with Trouble Code.>
B16F6 CURTAIN AIRBAG SENSOR RH RECOGNITION ERROR
  • Curtain airbag sensor RH is misinstalled.
  • Airbag control module is faulty.
 <Ref. to DTC B16F6 CURTAIN AIRBAG SENSOR RH RECOGNITION ERROR , Diagnostic Chart with Trouble Code.>
B16F7 CURTAIN AIRBAG SENSOR LH RECOGNITION ERROR
  • Curtain airbag sensor LH is misinstalled.
  • Airbag control module is faulty.
 <Ref. to DTC B16F7 CURTAIN AIRBAG SENSOR LH RECOGNITION ERROR , Diagnostic Chart with Trouble Code.>
B1642 SIDE SATELLITE SENSOR BUS RH LOST COMMUNICATION
  • Open or short circuit in harness RH between airbag control module and front door impact sensor.
  • Side airbag sensor RH is faulty.
  • Curtain airbag sensor RH is faulty.
  • Front door impact sensor RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1642 SIDE SATELLITE SENSOR BUS RH LOST COMMUNICATION , Diagnostic Chart with Trouble Code.>
B1647 SIDE SATELLITE SENSOR BUS LH LOST COMMUNICATION
  • Open or short circuit in harness LH between airbag control module and front door impact sensor.
  • Side airbag sensor LH is faulty.
  • Curtain airbag sensor LH is faulty.
  • Front door impact sensor LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1647 SIDE SATELLITE SENSOR BUS LH LOST COMMUNICATION , Diagnostic Chart with Trouble Code.>
B1650 OCCUPANT DETECTION SYSTEM MALFUNCTION
  • Occupant detection sensor is faulty.
  • Occupant detection control module is faulty.
  • Occupant detection harness is faulty.
  • Rear airbag harness RH is faulty.
  • Fuse No. 25 is blown.
 <Ref. to DTC B1650 OCCUPANT DETECTION SYSTEM MALFUNCTION , Diagnostic Chart with Trouble Code.>
B1655 FRONT BUCKLE SWITCH RH FAILURE
  • Buckle switch RH circuit is open, shorted or shorted to ground.
  • Occupant detection system is faulty.
  • Occupant detection harness is faulty.
 <Ref. to DTC B1655 FRONT BUCKLE SWITCH RH FAILURE , Diagnostic Chart with Trouble Code.>
B1660 PASSENGER'S AIRBAG ON INDICATOR FAILURE
  • Passenger's airbag indicator is faulty.
  • Airbag control module is faulty.
  • Airbag main harness circuit is open, shorted or shorted to ground.
  • Body harness circuit is open.
 <Ref. to DTC B1660 PASSENGER'S AIRBAG ON INDICATOR FAILURE , Diagnostic Chart with Trouble Code.>
B1675 SATELLITE SAFING SENSOR FAILURE Satellite safing sensor is faulty. <Ref. to DTC B1675 SATELLITE SAFING SENSOR FAILURE , Diagnostic Chart with Trouble Code.>
B16F8 SATELLITE SAFING SENSOR RECOGNITION ERROR
  • Satellite safing sensor is misinstalled.
  • Airbag control module is faulty.
 <Ref. to DTC B16F8 SATELLITE SAFING SENSOR RECOGNITION ERROR , Diagnostic Chart with Trouble Code.>
B16F9 DOOR SENSOR RH RECOGNITION ERROR
  • Front door impact sensor RH is misinstalled.
  • Airbag control module is faulty.
 <Ref. to DTC B16F9 DOOR SENSOR RH RECOGNITION ERROR , Diagnostic Chart with Trouble Code.>
B1690 DOOR SENSOR RH FAILURE Front door impact sensor RH is faulty. <Ref. to DTC B1690 DOOR SENSOR RH FAILURE , Diagnostic Chart with Trouble Code.>
B1692 LOST COMMUNICATION WITH DOOR SENSOR RH
  • Open or short circuit in harness between curtain airbag sensor and front door impact sensor.
  • Front door impact sensor RH is faulty.
  • Curtain airbag sensor RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1692 LOST COMMUNICATION WITH DOOR SENSOR RH , Diagnostic Chart with Trouble Code.>
B1693 DOOR SENSOR RH INITIALIZATION INCOMPLETE <Ref. to DTC B1693 DOOR SENSOR RH INITIALIZATION INCOMPLETE , Diagnostic Chart with Trouble Code.>
B16FA DOOR SENSOR LH RECOGNITION ERROR
  • Front door impact sensor LH is misinstalled.
  • Airbag control module is faulty.
 <Ref. to DTC B16FA DOOR SENSOR LH RECOGNITION ERROR , Diagnostic Chart with Trouble Code.>
B1695 DOOR SENSOR LH FAILURE Front door impact sensor LH is faulty. <Ref. to DTC B1695 DOOR SENSOR LH FAILURE , Diagnostic Chart with Trouble Code.>
B1697 LOST COMMUNICATION WITH DOOR SENSOR LH
  • Open or short circuit in harness between curtain airbag sensor and front door impact sensor.
  • Front door impact sensor LH is faulty.
  • Curtain airbag sensor LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1697 LOST COMMUNICATION WITH DOOR SENSOR LH , Diagnostic Chart with Trouble Code.>
B1698 DOOR SENSOR LH INITIALIZATION INCOMPLETE <Ref. to DTC B1698 DOOR SENSOR LH INITIALIZATION INCOMPLETE , Diagnostic Chart with Trouble Code.>
B161A LOST COMMUNICATION WITH FRONT SATELLITE SENSOR BUS
  • Open or short circuit in harness between airbag control module and front sub sensor.
  • Front sub sensor is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B161A LOST COMMUNICATION WITH FRONT SATELLITE SENSOR BUS , Diagnostic Chart with Trouble Code.>
B16F1 PASSENGER'S SEAT BELT WARNING FAILURE
  • Airbag control module is faulty.
  • Meter is faulty.
  • Harness circuits between meter and airbag control module are open, shorted or shorted to ground.
 <Ref. to DTC B16F1 PASSENGER'S SEAT BELT WARNING FAILURE , Diagnostic Chart with Trouble Code.>
B16F0 PASSENGER'S AIRBAG OFF INDICATOR FAILURE
  • Passenger's airbag indicator is faulty.
  • Airbag control module is faulty.
  • Airbag main harness circuit is open or shorted.
  • Body harness circuit is open.
 <Ref. to DTC B16F0 PASSENGER'S AIRBAG OFF INDICATOR FAILURE , Diagnostic Chart with Trouble Code.>
B1760 OCCUPANT DETECTION SENSOR MAT
  • Occupant detection sensor is open, shorted between terminals, shorted to power supply or shorted to ground.
  • Seat heater is open.
  • Occupant detection control module is faulty.
 <Ref. to DTC B1760 OCCUPANT DETECTION SENSOR MAT , Diagnostic Chart with Trouble Code.>
B1761 OCCUPANT DETECTION SENSOR MAT LIQUID COATING
  • Detected that the occupant detection sensor is spattered with fluid.
  • Occupant detection sensor is faulty.
  • Occupant detection control module is faulty.
 <Ref. to DTC B1761 OCCUPANT DETECTION SENSOR MAT LIQUID COATING , Diagnostic Chart with Trouble Code.>
B1771 BUCKLE SWITCH
  • Passenger's buckle switch circuit is open, shorted or shorted to ground.
  • Occupant detection system is faulty.
  • Occupant detection harness is faulty.
 <Ref. to DTC B1771 BUCKLE SWITCH , Diagnostic Chart with Trouble Code.>
B1795 OCCUPANT DETECTION MODULE INTERNAL CIRCUIT Occupant detection control module is faulty. <Ref. to DTC B1795 OCCUPANT DETECTION MODULE INTERNAL CIRCUIT , Diagnostic Chart with Trouble Code.>
B1800 SHORT IN DRIVER'S AIRBAG
  • Airbag main harness circuit is shorted.
  • Airbag module harness (driver's side) circuit is shorted.
  • Roll connector circuit is shorted.
  • Driver's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1800 SHORT IN DRIVER'S AIRBAG , Diagnostic Chart with Trouble Code.>
B1801 OPEN IN DRIVER'S AIRBAG
  • Airbag main harness circuit is open.
  • Airbag module harness circuit (driver's side) is open.
  • Roll connector circuit is open.
  • Driver's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1801 OPEN IN DRIVER'S AIRBAG , Diagnostic Chart with Trouble Code.>
B1802 SHORT IN DRIVER'S AIRBAG (TO GROUND)
  • Airbag main harness circuit is shorted to ground.
  • Airbag module harness (driver's side) circuit is shorted to ground.
  • Roll connector circuit is shorted to ground.
  • Driver's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1802 SHORT IN DRIVER'S AIRBAG (TO GROUND) , Diagnostic Chart with Trouble Code.>
B1803 SHORT IN DRIVER'S AIRBAG (TO +B)
  • Airbag main harness circuit is shorted to power supply.
  • Airbag module harness circuit (driver's side) is shorted to power supply.
  • Roll connector circuit is shorted to power supply.
  • Airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1803 SHORT IN DRIVER'S AIRBAG (TO +B) , Diagnostic Chart with Trouble Code.>
B1805 SHORT IN PASSENGER'S AIRBAG
  • Airbag main harness circuit is shorted.
  • Airbag module harness circuit (passenger's side) is shorted.
  • Passenger's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1805 SHORT IN PASSENGER'S AIRBAG , Diagnostic Chart with Trouble Code.>
B1806 OPEN IN PASSENGER'S AIRBAG
  • Airbag main harness circuit is open.
  • Airbag module harness circuit (passenger's side) is open.
  • Passenger's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1806 OPEN IN PASSENGER'S AIRBAG , Diagnostic Chart with Trouble Code.>
B1807 SHORT IN PASSENGER'S AIRBAG (TO GROUND)
  • Airbag main harness circuit is shorted to ground.
  • Airbag module harness (passenger's side) circuit is shorted to ground.
  • Passenger's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1807 SHORT IN PASSENGER'S AIRBAG (TO GROUND) , Diagnostic Chart with Trouble Code.>
B1808 SHORT IN PASSENGER'S AIRBAG (TO +B)
  • Airbag main harness circuit is shorted to power supply.
  • Airbag module harness (passenger's side) circuit is shorted to power supply.
  • Passenger's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1808 SHORT IN PASSENGER'S AIRBAG (TO +B) , Diagnostic Chart with Trouble Code.>
B1810 SHORT IN DRIVER'S AIRBAG DUAL STAGE - 2ND STEP
  • Airbag main harness circuit is shorted.
  • Airbag module harness (driver's side) circuit is shorted.
  • Roll connector circuit is shorted.
  • Driver's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1810 SHORT IN DRIVER'S AIRBAG DUAL STAGE - 2ND STEP , Diagnostic Chart with Trouble Code.>
B1811 OPEN IN DRIVER'S AIRBAG DUAL STAGE - 2ND STEP
  • Airbag main harness circuit is open.
  • Airbag module harness circuit (driver's side) is open.
  • Roll connector circuit is open.
  • Driver's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1811 OPEN IN DRIVER'S AIRBAG DUAL STAGE - 2ND STEP , Diagnostic Chart with Trouble Code.>
B1812 SHORT IN DRIVER'S AIRBAG DUAL STAGE - 2ND STEP (TO GROUND)
  • Airbag main harness circuit is shorted to ground.
  • Airbag module harness (driver's side) circuit is shorted to ground.
  • Roll connector circuit is shorted to ground.
  • Driver's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1812 SHORT IN DRIVER'S AIRBAG DUAL STAGE - 2ND STEP (TO GROUND) , Diagnostic Chart with Trouble Code.>
B1813 SHORT IN DRIVER'S AIRBAG DUAL STAGE - 2ND STEP CIRCUIT (TO +B)
  • Airbag main harness circuit is shorted to power supply.
  • Airbag module harness circuit (driver's side) is shorted to power supply.
  • Roll connector circuit is shorted to power supply.
  • Airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1813 SHORT IN DRIVER'S AIRBAG DUAL STAGE - 2ND STEP CIRCUIT (TO +B) , Diagnostic Chart with Trouble Code.>
AIRBAG SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION (2 OF 2)

DTC Item Content of diagnosis Reference
B1815 SHORT IN PASSENGER'S AIRBAG DUAL STAGE - 2ND STEP
  • Airbag main harness circuit is shorted.
  • Airbag module harness circuit (passenger's side) is shorted.
  • Passenger's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1815 SHORT IN PASSENGER'S AIRBAG DUAL STAGE - 2ND STEP , Diagnostic Chart with Trouble Code.>
B1816 OPEN IN PASSENGER'S AIRBAG DUAL STAGE - 2ND STEP
  • Airbag main harness circuit is open.
  • Airbag module harness circuit (passenger's side) is open.
  • Passenger's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1816 OPEN IN PASSENGER'S AIRBAG DUAL STAGE - 2ND STEP , Diagnostic Chart with Trouble Code.>
B1817 SHORT IN PASSENGER'S AIRBAG DUAL STAGE - 2ND STEP (TO GROUND)
  • Airbag main harness circuit is shorted to ground.
  • Airbag module harness (passenger's side) circuit is shorted to ground.
  • Passenger's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1817 SHORT IN PASSENGER'S AIRBAG DUAL STAGE - 2ND STEP (TO GROUND) , Diagnostic Chart with Trouble Code.>
B1818 SHORT IN PASSENGER'S AIRBAG DUAL STAGE - 2ND STEP CIRCUIT (TO +B)
  • Airbag main harness circuit is shorted to power supply.
  • Airbag module harness (passenger's side) circuit is shorted to power supply.
  • Passenger's airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1818 SHORT IN PASSENGER'S AIRBAG DUAL STAGE - 2ND STEP CIRCUIT (TO +B) , Diagnostic Chart with Trouble Code.>
B1820 SHORT IN SIDE AIRBAG RH
  • Side airbag harness RH circuit is shorted.
  • Side airbag module RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1820 SHORT IN SIDE AIRBAG RH , Diagnostic Chart with Trouble Code.>
B1821 OPEN IN SIDE AIRBAG RH
  • Side airbag harness RH circuit is open.
  • Side airbag module RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1821 OPEN IN SIDE AIRBAG RH , Diagnostic Chart with Trouble Code.>
B1822 SHORT IN SIDE AIRBAG RH (TO GROUND)
  • Side airbag harness RH circuit is shorted to ground.
  • Side airbag module RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1822 SHORT IN SIDE AIRBAG RH (TO GROUND) , Diagnostic Chart with Trouble Code.>
B1823 SHORT IN SIDE AIRBAG RH (TO +B)
  • Side airbag harness RH circuit is shorted to power supply.
  • Side airbag module RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1823 SHORT IN SIDE AIRBAG RH (TO +B) , Diagnostic Chart with Trouble Code.>
B1825 SHORT IN SIDE AIRBAG LH
  • Side airbag harness LH circuit is shorted.
  • Side airbag module LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1825 SHORT IN SIDE AIRBAG LH , Diagnostic Chart with Trouble Code.>
B1826 OPEN IN SIDE AIRBAG LH
  • Side airbag harness LH circuit is open.
  • Side airbag module LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1826 OPEN IN SIDE AIRBAG LH , Diagnostic Chart with Trouble Code.>
B1827 SHORT IN SIDE AIRBAG LH (TO GROUND)
  • Side airbag harness LH circuit is shorted to ground.
  • Side airbag module LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1827 SHORT IN SIDE AIRBAG LH (TO GROUND) , Diagnostic Chart with Trouble Code.>
B1828 SHORT IN SIDE AIRBAG LH (TO +B)
  • Side airbag harness LH circuit is shorted to power supply.
  • Side airbag module LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1828 SHORT IN SIDE AIRBAG LH (TO +B) , Diagnostic Chart with Trouble Code.>
B1830 SHORT IN CURTAIN AIRBAG RH SQUIB CIRCUIT
  • Curtain airbag harness RH circuit is shorted.
  • Curtain airbag module RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1830 SHORT IN CURTAIN AIRBAG RH SQUIB CIRCUIT , Diagnostic Chart with Trouble Code.>
B1831 OPEN IN CURTAIN AIRBAG RH SQUIB CIRCUIT
  • Curtain airbag harness RH circuit is open.
  • Curtain airbag module RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1831 OPEN IN CURTAIN AIRBAG RH SQUIB CIRCUIT , Diagnostic Chart with Trouble Code.>
B1832 SHORT IN CURTAIN AIRBAG RH SQUIB CIRCUIT (TO GROUND)
  • Curtain airbag harness RH circuit is shorted to ground.
  • Curtain airbag module RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1832 SHORT IN CURTAIN AIRBAG RH SQUIB CIRCUIT (TO GROUND) , Diagnostic Chart with Trouble Code.>
B1833 SHORT IN CURTAIN SHIELD AIRBAG RH SQUIB CIRCUIT (TO +B)
  • Curtain airbag harness RH is shorted to power supply.
  • Curtain airbag module RH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1833 SHORT IN CURTAIN SHIELD AIRBAG RH SQUIB CIRCUIT (TO +B) , Diagnostic Chart with Trouble Code.>
B1835 SHORT IN CURTAIN AIRBAG LH SQUIB CIRCUIT
  • Curtain airbag harness LH circuit is shorted.
  • Curtain airbag module LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1835 SHORT IN CURTAIN AIRBAG LH SQUIB CIRCUIT , Diagnostic Chart with Trouble Code.>
B1836 OPEN IN CURTAIN AIRBAG LH SQUIB CIRCUIT
  • Curtain airbag harness LH circuit is open.
  • Curtain airbag module LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1836 OPEN IN CURTAIN AIRBAG LH SQUIB CIRCUIT , Diagnostic Chart with Trouble Code.>
B1837 SHORT IN CURTAIN AIRBAG LH SQUIB CIRCUIT (TO GROUND)
  • Curtain airbag harness LH circuit is shorted to ground.
  • Curtain airbag module LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1837 SHORT IN CURTAIN AIRBAG LH SQUIB CIRCUIT (TO GROUND) , Diagnostic Chart with Trouble Code.>
B1838 SHORT IN CURTAIN SHIELD AIRBAG LH SQUIB CIRCUIT (TO +B)
  • Curtain airbag harness LH is shorted to power supply.
  • Curtain airbag module LH is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1838 SHORT IN CURTAIN SHIELD AIRBAG LH SQUIB CIRCUIT (TO +B) , Diagnostic Chart with Trouble Code.>
B1860 SHORT IN DRIVER'S KNEE AIRBAG
  • Airbag main harness circuit is shorted.
  • Knee airbag module harness circuit is shorted.
  • Knee airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1860 SHORT IN DRIVER'S KNEE AIRBAG , Diagnostic Chart with Trouble Code.>
B1861 OPEN IN DRIVER'S KNEE AIRBAG
  • Airbag main harness circuit is open.
  • Knee airbag module harness circuit is open.
  • Knee airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1861 OPEN IN DRIVER'S KNEE AIRBAG , Diagnostic Chart with Trouble Code.>
B1862 SHORT IN DRIVER'S KNEE AIRBAG (TO GROUND)
  • Airbag main harness circuit is shorted to ground.
  • Knee airbag module harness circuit is shorted to ground.
  • Knee airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1862 SHORT IN DRIVER'S KNEE AIRBAG (TO GROUND) , Diagnostic Chart with Trouble Code.>
B1863 SHORT IN DRIVER'S KNEE AIRBAG (TO +B)
  • Airbag main harness circuit is shorted to power supply.
  • Knee airbag module harness circuit is shorted to power supply.
  • Knee airbag module is faulty.
  • Airbag control module is faulty.
 <Ref. to DTC B1863 SHORT IN DRIVER'S KNEE AIRBAG (TO +B) , Diagnostic Chart with Trouble Code.>
B1900 SHORT IN FRONT P/T RH
  • Seat belt pretensioner RH circuit is shorted.
  • Pretensioner RH is faulty.
  • Pretensioner harness RH is shorted.
  • Airbag control module is faulty.
 <Ref. to DTC B1900 SHORT IN FRONT P/T RH , Diagnostic Chart with Trouble Code.>
B1901 OPEN IN FRONT P/T RH
  • Seat belt pretensioner RH circuit is open.
  • Pretensioner RH is faulty.
  • Pretensioner harness RH is shorted.
  • Airbag control module is faulty.
 <Ref. to DTC B1901 OPEN IN FRONT P/T RH , Diagnostic Chart with Trouble Code.>
B1902 SHORT IN FRONT P/T RH (TO GROUND)
  • Seat belt pretensioner RH circuit is shorted to ground.
  • Pretensioner RH is faulty.
  • Pretensioner harness RH is shorted.
  • Airbag control module is faulty.
 <Ref. to DTC B1902 SHORT IN FRONT P/T RH (TO GROUND) , Diagnostic Chart with Trouble Code.>
B1903 SHORT IN FRONT P/T RH (TO +B)
  • Seat belt pretensioner RH circuit is shorted to power supply.
  • Pretensioner RH is faulty.
  • Pretensioner harness RH is shorted.
  • Airbag control module is faulty.
 <Ref. to DTC B1903 SHORT IN FRONT P/T RH (TO +B) , Diagnostic Chart with Trouble Code.>
B1905 SHORT IN FRONT P/T LH
  • Seat belt pretensioner LH circuit is shorted.
  • Pretensioner LH is faulty.
  • Pretensioner harness LH is shorted.
  • Airbag control module is faulty.
 <Ref. to DTC B1905 SHORT IN FRONT P/T LH , Diagnostic Chart with Trouble Code.>
B1906 OPEN IN FRONT P/T LH
  • Seat belt pretensioner LH circuit is open.
  • Pretensioner LH is faulty.
  • Pretensioner harness LH is shorted.
  • Airbag control module is faulty.
 <Ref. to DTC B1906 OPEN IN FRONT P/T LH , Diagnostic Chart with Trouble Code.>
B1907 SHORT IN FRONT P/T LH (TO GROUND)
  • Seat belt pretensioner LH circuit is shorted to ground.
  • Pretensioner LH is faulty.
  • Pretensioner harness LH is shorted.
  • Airbag control module is faulty.
 <Ref. to DTC B1907 SHORT IN FRONT P/T LH (TO GROUND) , Diagnostic Chart with Trouble Code.>
B1908 SHORT IN FRONT P/T LH (TO +B)
  • Seat belt pretensioner LH circuit is shorted to power supply.
  • Pretensioner LH is faulty.
  • Pretensioner harness LH is shorted.
  • Airbag control module is faulty.
 <Ref. to DTC B1908 SHORT IN FRONT P/T LH (TO +B) , Diagnostic Chart with Trouble Code.>
B19F0 SHORT IN FRONT P/T 2 RH
  • Lap seat belt pretensioner RH circuit is shorted.
  • Lap seat belt pretensioner RH is faulty.
  • Lap seat belt pretensioner harness RH is shorted.
  • Airbag control module is faulty.
 <Ref. to DTC B19F0 SHORT IN FRONT P/T 2 RH , Diagnostic Chart with Trouble Code.>
B19F1 OPEN IN FRONT P/T 2 RH
  • Lap seat belt pretensioner RH circuit is open.
  • Lap seat belt pretensioner RH is faulty.
  • Lap seat belt pretensioner harness RH is open.
  • Airbag control module is faulty.
 <Ref. to DTC B19F1 OPEN IN FRONT P/T 2 RH , Diagnostic Chart with Trouble Code.>
B19F2 SHORT IN FRONT P/T 2 RH (TO GROUND)
  • Lap seat belt pretensioner RH circuit is shorted to ground.
  • Lap seat belt pretensioner RH is faulty.
  • Lap seat belt pretensioner harness RH is shorted to ground.
  • Airbag control module is faulty.
 <Ref. to DTC B19F2 SHORT IN FRONT P/T 2 RH (TO GROUND) , Diagnostic Chart with Trouble Code.>
B19F3 SHORT IN FRONT P/T 2 RH (TO +B)
  • Lap seat belt pretensioner RH circuit is shorted to power supply.
  • Lap seat belt pretensioner RH is faulty.
  • Lap seat belt pretensioner harness RH is shorted to power supply.
  • Airbag control module is faulty.
 <Ref. to DTC B19F3 SHORT IN FRONT P/T 2 RH (TO +B) , Diagnostic Chart with Trouble Code.>
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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