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Diagnostic Code Chart

NOTE: Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated using air bag warning lamp or SDT each time repair is finished. If malfunction is still observed, proceed to the next step. When malfunction is eliminated, further repair work is not required.
DIAGNOSTIC CODE CHART

SDT name DTC DTC detecting condition Repair order
DRIVER AIRBAG MODULE [OPEN] B1049 Driver air bag module circuit (DR1) is open (including the spiral cable).
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the driver air bag module.
  4. Replace the spiral cable.
  5. Replace the air bag diagnosis sensor unit.
  6. Replace the related harness.
B1054 Driver air bag module circuit (DR2) is open (including the spiral cable).
DRIVER AIRBAG MODULE [VB-SHORT] B1050 Driver air bag module circuit (DR1) is shorted to a power supply circuit (including the spiral cable).
B1055 Driver air bag module circuit (DR2) is shorted to a power supply circuit (including the spiral cable).
DRIVER AIRBAG MODULE [GND-SHORT] B1051 Driver air bag module circuit (DR1) is shorted to ground (including the spiral cable).
B1056 Driver air bag module circuit (DR2) is shorted to ground (including the spiral cable).
DRIVER AIRBAG MODULE [SHORT] B1052 Driver air bag module circuits (DR1) are shorted to each other (including the spiral cable).
B1057 Driver air bag module circuits (DR2) are shorted to each other (including the spiral cable).
ASSIST A/B MODULE [OPEN] B1065 Front passenger air bag module circuit (AS1) is open.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the front passenger air bag module.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
B1070 Front passenger air bag module circuit (AS2) is open.
ASSIST A/B MODULE [VB-SHORT] B1066 Front passenger air bag module circuit (AS1) is shorted to a power supply circuit.
B1071 Front passenger air bag module circuit (AS2) is shorted to a power supply circuit.
ASSIST A/B MODULE [GND-SHORT] B1067 Front passenger air bag module circuit (AS1) is shorted to ground.
B1072 Front passenger air bag module circuit (AS2) is shorted to ground.
ASSIST A/B MODULE [SHORT] B1068 Front passenger air bag module circuits (AS1) are shorted to each other.
B1073 Front passenger air bag module circuits (AS2) are shorted to each other.
SIDE MODULE LH [OPEN] B1134 Front LH side air bag module circuit is open.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the front LH seat back assembly.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
SIDE MODULE LH [VB-SHORT] B1135 Front LH side air bag module circuit is shorted to a power supply circuit.
SIDE MODULE LH [GND-SHORT] B1136 Front LH side air bag module circuit is shorted to ground.
SIDE MODULE LH [SHORT] B1137 Front LH side air bag module circuits are shorted to each other.
SIDE MODULE RH [OPEN] B1129 Front RH side air bag module circuit is open.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the front RH seat back assembly.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
SIDE MODULE RH [VB-SHORT] B1130 Front RH side air bag module circuit is shorted to a power supply circuit.
SIDE MODULE RH [GND-SHORT] B1131 Front RH side air bag module circuit is shorted to ground.
SIDE MODULE RH [SHORT] B1132 Front RH side air bag module circuits are shorted to each other.
CURTAIN MODULE LH [OPEN] B1150 LH side curtain air bag module circuit is open.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the LH side curtain air bag module.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
CURTAIN MODULE LH [VB-SHORT] B1151 LH side curtain air bag module circuit is shorted to a power supply circuit.
CURTAIN MODULE LH [GND-SHORT] B1152 LH side curtain air bag module circuit is shorted to ground.
CURTAIN MODULE LH [SHORT] B1153 LH side curtain air bag module circuits are shorted to each other.
CURTAIN MODULE RH [OPEN] B1145 RH side curtain air bag module circuit is open.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the RH side curtain air bag module.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
CURTAIN MODULE RH [VB-SHORT] B1146 RH side curtain air bag module circuit is shorted to a power supply circuit.
CURTAIN MODULE RH [GND-SHORT] B1147 RH side curtain air bag module circuit is shorted to ground.
CURTAIN MODULE RH [SHORT] B1148 RH side curtain air bag module circuits are shorted to each other.
PRE-TEN FRONT LH [OPEN] B1086 LH seat belt pre-tensioner circuit is open.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the front LH seat belt pretensioner.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
PRE-TEN FRONT LH [VB-SHORT] B1087 LH seat belt pre-tensioner circuit is shorted to a power supply circuit.
PRE-TEN FRONT LH [GND-SHORT] B1088 LH seat belt pre-tensioner circuit is shorted to ground.
PRE-TEN FRONT LH [SHORT] B1089 LH seat belt pre-tensioner circuits are shorted to each other.
PRE-TEN FRONT RH [OPEN] B1081 RH seat belt pre-tensioner circuit is open.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the front RH seat belt pretensioner.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
PRE-TEN FRONT RH [VB-SHORT] B1082 RH seat belt pre-tensioner circuit is shorted to a power supply circuit.
PRE-TEN FRONT RH [GND-SHORT] B1083 RH seat belt pre-tensioner circuit is shorted to ground.
PRE-TEN FRONT RH [SHORT] B1084 RH seat belt pre-tensioner circuits are shorted to each other.
CRASH ZONE SEN [UNIT FAIL] B1033 Crash zone sensor has malfunctioned.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the crash zone sensor.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
B1034
CRASH ZONE SEN [COMM FAIL] B1035 Crash zone sensor communication error.
SATELLITE SENS LH [UNIT FAIL] B1118 LH side air bag satellite sensor has malfunctioned.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the LH side air bag satellite sensor.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
B1119
SATELLITE SENS LH [COMM FAIL] B1120 LH side air bag satellite sensor communication error.
SATELLITE SENS RH [UNIT FAIL] B1113 RH side air bag satellite sensor has malfunctioned.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the RH side air bag satellite sensor.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
B1114
SATELLITE SENS RH [COMM FAIL] B1115 RH side air bag satellite sensor communication error.
CONTROL UNIT B1XXX Air bag diagnosis sensor unit is malfunctioning.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the air bag diagnosis sensor unit.
  4. Replace the related harness.
PASS A/B INDCTR CKT B1023 Front passenger air bag OFF indicator is malfunctioning.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the front passenger air bag OFF indicator.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
OCCUPANT SENS C/U [UNIT FAIL] B1017 The OCS control unit is malfunctioning.
  1. Replace the RH front seat cushion assembly. Do not disassemble the seat cushion assembly.
B1020
B1021
OCCUPANT SENS [UNIT FAIL] B1018 The OCS sensor is malfunctioning.
BELT TENSION SENS [UNIT FAIL] B1019 The belt tension sensor is malfunctioning.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the RH front seat belt assembly.
  4. Replace the RH front seat cushion assembly. Do not disassemble the seat cushion assembly.
  5. Replace the related harness.
OCCUPANT SENS C/U [COMM FAIL] B1022 Communication between the OCS control unit and the air bag diagnosis sensor unit is interrupted.
  1. Visually check the wiring harness connection.
  2. Replace the harness if it has visible damage.
  3. Replace the RH front seat cushion assembly. Do not disassemble the seat cushion assembly.
  4. Replace the air bag diagnosis sensor unit.
  5. Replace the related harness.
FRONTAL COLLISION DETECTION B1209 Driver and/or front passenger air bag modules are deployed. Refer to [COLLISION DIAGNOSIS: FOR FRONTAL COLLISION ].
SIDE COLLISION DETECTION B1210 Side and/or curtain air bag modules are deployed. Refer to [COLLISION DIAGNOSIS: FOR SIDE AND ROLLOVER COLLISION ].
ROLLOVER DETECTION B1211 Curtain air bag module and seat belt pre-tensioner are deployed.
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