Category Archives: OBDII Powertrain Codes

P1146

P1146 OBD Code Definition:
P1146 Mass Air Flow Sensor Supply Voltage
P1146 OBD Code Description: Continue reading →

P1145

P1145 OBD Code Definition:
P1145 Mass Air Flow Sensor Short To Positive
P1145 OBD Code Description: Continue reading →

P1144

P1144 OBD Code Definition:
P1144 Air Assist Control Valve Circuit Malfunction
P1144 OBD Code Description: Continue reading →

P1149

P1149 OBD Code Definition:
P1149 Air/Fuel Ratio Sensor 1 Circuit Range/Performance
P1149 OBD Code Description: Continue reading →

P1148

P1148 OBD Code Definition:
P1148 Closed Loop Control Function Bank 1
P1148 OBD Code Description: Continue reading →

P1147

P1147 OBD Code Definition:
P1147 Heated Oxygen Sensor 2 Maximum Voltage Monitoring Bank 1
P1147 OBD Code Description: Continue reading →

P1151

P1151 OBD Code Definition:
P1151 Lack Of HO2S21 Switch – Sensor Indicates Lean
P1151 OBD Code Description: Continue reading →

P1150

P1150 OBD Code Definition:
P1150 Lack Of HO2S21 Switch – Adaptive Fuel At Limit
P1150 OBD Code Description: Continue reading →

P1152

P1152 OBD Code Definition:
P1152 Lack Of HO2S21 Switch – Sensor Indicates Rich
P1152 OBD Code Description: Continue reading →

P1157

P1157 OBD Code Definition:
P1157 Lack Of HO2S22 Switch – Sensor Indicates Lean
P1157 OBD Code Description: Continue reading →

P115A

P115A OBD Code Definition:
P115A Low fuel level – forced limited power
P115A OBD Code Description: Continue reading →

P1158

P1158 OBD Code Definition:
P1158 Lack Of HO2S22 Switch – Sensor Indicates Rich
P1158 OBD Code Description: Continue reading →

P115B

P115B OBD Code Definition:
P115B Low fuel level – forced engine shutdown
P115B OBD Code Description: Continue reading →

P115D

P115D OBD Code Definition:
P115D Mass air flow (MAF) sensor signal offset
P115D OBD Code Description: Continue reading →

P1162

P1162 OBD Code Definition:
P1162 Air/Fuel Ratio Sensor 1 Circuit Malfunction
P1162 OBD Code Description: Continue reading →