DTC Error Codes
GM Specific Trouble Codes
(General Motors)
п¹» ï ±º è
P1031 Heated Oxygen Sensor (HO2S) Heater Current Monitor Control Circuit Banks 1 and 2 Sensor
1
P1032 Heated Oxygen Sensor (HO2S) Heater Warm Up Control Circuit Banks 1 and 2 Sensor 1
P1101 Actual measured airflow from MAF, MAP, EGR, and TP is not within range of the calculated
airflow
P1105 Secondary Vacuum Sensor Circuit
P1106 Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage
P1107 Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage
P1108 BARO to MAP Sensor Comparison Too High
P1109 Secondary Port Throttle System
P1111 Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
P1113 Intake Resonance Switchover Solenoid Control Circuit
P1114 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage
P1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
P1116 ECT Signal Unstable or Intermittent
P1117 Engine Coolant Temp. Signal Out-Of-Range Low
P1118 Engine Coolant Temp. Signal Out-Of-Range High
P1119 ECT Signal Out-Of-Range With TFT Sensor
P1120 Throttle Position (TP) Sensor 1 Circuit
P1121 Throttle Position (TP) Sensor Circuit Intermittent High Voltage
P1122 Throttle Position (TP) Sensor Circuit Intermittent Low Voltage
P1125 Accelerator Pedal Position (APP) System
P1130 Heated Oxygen Sensor (HO2S) Circuit Low Variance Bank 1 Sensor 1
P1131 Heated Oxygen Sensor (HO2S) Circuit Low Variance Bank 1 Sensor 2
P1132 Heated Oxygen Sensor (HO2S) Circuit Low Variance Bank 2 Sensor 1
P1133 Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 1 Sensor 1
P1134 Heated Oxygen Sensor (HO2S) Transition Time Ratio Bank 1 Sensor 1
P1135 Heated Oxygen Sensor (HO2S) Lean Mean Bank 1 Sensor 1
P1136 Heated Oxygen Sensor (HO2S) Rich Mean Bank 1 Sensor 1
P1137 Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 Lean System or Low Voltage
P1138 Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 Rich or High Voltage
P1139 Heated Oxygen Sensor (HO2S) Insuff. Switching Bank 1 Sensor 2
P1140 Heated Oxygen Sensor (HO2S) Transition Time Ratio Bank 1 Sensor 2
P1141 Heated Oxygen Sensor (HO2S) Heater Control Circuit Bank 1 Sensor 2
P1143 Heated Oxygen Sensor (HO2S) Bank 1 Sensor 3 Lean System or Low Voltage
P1144 Heated Oxygen Sensor (HO2S) Bank 1 Sensor 3 Rich or High Voltage
P1145 Heated Oxygen Sensor (HO2S) Cross Counts Bank 1 Sensor 3
P1153 Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 2 Sensor 1
P1154 Heated Oxygen Sensor (HO2S) Transition Time Ratio Bank 2 Sensor 1
P1155 Heated Oxygen Sensor (HO2S) Lean Mean Bank 2 Sensor 1
P1156 Heated Oxygen Sensor (HO2S) Rich Mean Bank 2 Sensor 1
P1157 Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 Lean System or Low Voltage
P1158 Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 Rich or High Voltage
P1159 Heated Oxygen Sensor (HO2S) Cross Counts Bank 2 Sensor 2
P1161 Heated Oxygen Sensor (HO2S) Heater Control Circuit Bank 2 Sensor 2
P1163 Heated Oxygen Sensor (HO2S) Bank 2 Sensor 3 Lean System or Low Voltage
P1164 Heated Oxygen Sensor (HO2S) Bank 2 Sensor 3 Rich or High Voltage
P1165 Heated Oxygen Sensor (HO2S) Cross Counts Bank 2 Sensor 3
P1170 Bank to Bank Fuel Trim Offset
P1171 Fuel System Lean During Acceleration
P1172 Fuel Transfer Pump Flow Insufficient
P1185 Engine Oil Temperature Circuit
P1186 EOT Circuit Performance
P1187 EOT Sensor Circuit Low Voltage
P1188 EOT Sensor Circuit High Voltage
P1189 Engine Oil Pressure (EOP) Switch Circuit
P1190 Engine Vacuum Leak
P1191 Intake Air Duct Air Leak
P1200 Injector Control Circuit
P1201 (Alt. Fuel) Gas Mass Sensor Circuit Range/Performance
P1202 (Alt. Fuel) Gas Mass Sensor Circuit Low Frequency
P1203 (Alt. Fuel) Gas Mass Sensor Circuit High Frequency
P1211 Mass Air Flow Circuit Intermittent High
P1212 Mass Air Flow Circuit Intermittent Low
P1214 Injection Pump Timing Offset
159