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Engine Control System - Tests W/Codes - DTC P0135-P0204 Expand All (for easy ctrl-f) Collapse All Model Identification DTC P0135 DTC P0135: Ho2S Heater Circuit-Bank 1, Sensor 1 (3.0L "V" Body) DTC P0135: Ho2S Heater Circuit-Sensor 1 (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series) DTC P0135: Ho2S Heater Circuit-Sensor 1 (3.5L "W" Body) DTC P0135: Ho2S Heater Circuit-Sensor 1 (3.8L "C", "F", "G", "H" & "W" Bodies) DTC P0135: Ho2S Heater Circuit-Bank 1, Sensor 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies) DTC P0135: Ho2S Heater Circuit Bank 1, Sensor 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series) DTC P0135: Ho2S Heater Circuit-Bank 1, Sensor 1 (4.8L, 5.3L & 6.0L "C" & "K" Series) DTC P0135: Ho2S Heater Circuit-Bank 1, Sensor 1 (5.7L "F" & "Y" Bodies) DTC P0136 DTC P0137 DTC P0137: Ho2S Circuit-Low Voltage-Sensor 2 (1.9L SATURN) DTC P0137: Ho2S Circuit-Low Voltage-Sensor 2 (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies) DTC P0137: Ho2S Circuit-Low Voltage-Sensor 2 (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series) DTC P0137: Ho2S Circuit-Low Voltage-Sensor 2 (3.8L "C", "F", "G", "H" & "W" Bodies) DTC P0137: Ho2S Circuit-Low Voltage-Bank 1, Sensor 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies) DTC P0137: Ho2S Circuit-Low Voltage-Bank 1, Sensor 2 (5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series) DTC P0138 DTC P0138: Ho2S Circuit-Voltage High-Sensor 2 (1.9L SATURN) DTC P0138: Ho2S Circuit-Voltage High-Sensor 2 (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies) DTC P0138: Ho2S Circuit-High Voltage-Bank 1, Sensor 2 (3.0L "V" Body) DTC P0138: Ho2S Circuit-High Voltage-Sensor 2 (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series) DTC P0138: Ho2S Circuit-High Voltage-Sensor 2 (3.8L "C", "F", "G", "H" & "W" Bodies) DTC P0138: Ho2S Circuit-High Voltage-Bank 1, Sensor 2 (4.3L "C" & "K" Series) DTC P0138: Ho2S Circuit-High Voltage-Bank 1, Sensor 2 (4.8L, 5.3L & 6.0L "C" & "K" Series) DTC P0138: Ho2S Circuit-High Voltage-Bank 1, Sensor 2 (5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series) DTC P0138: Ho2S Circuit-High Voltage-Bank 1, Sensor 2 (5.7L "F" & "Y" Bodies) DTC P0139 DTC P0140 DTC P0140: Ho2S Circuit-Insufficient Activity-Sensor 2 (1.9L SATURN) DTC P0140: Ho2S Circuit-Insufficient Activity-Sensor 2 (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies) DTC P0140: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 2 (3.0L "V" Body) DTC P0140: Ho2S Circuit-Insufficient Activity-Sensor 2 (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series) DTC P0140: Ho2S Circuit-Insufficient Activity-Sensor 2 (3.5L "W" Body) DTC P0140: Ho2S Circuit-Insufficient Activity-Sensor 2 (3.8L "C", "F", "G", "H" & "W" Bodies) DTC P0140: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series) DTC P0140: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies) DTC P0141 DTC P0141: Ho2S Heater Circuit-Sensor 2 (1.9L SATURN) DTC P0141: Ho2S Heater Circuit-Sensor 2 (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies) DTC P0141: Ho2S Heater Circuit-Bank 1, Sensor 2 (3.0L "V" Body) DTC P0141: Ho2S Heater Circuit-Sensor 2 (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series) DTC P0141: Ho2S 2 Heater Circuit-Sensor 2 (3.8L "C", "F", "G", "H" & "W" Bodies) DTC P0141: Ho2S Heater Circuit-Bank 1, Sensor 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series) DTC P0141: Ho2S Heater Circuit-Bank 1, Sensor 2 (4.8L, 5.3L, & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies) DTC P0143 DTC P0143: Ho2S Circuit-Low Voltage-Bank 1, Sensor 3 (3.8L "F" Body) DTC P0143: Ho2S Circuit-Low Voltage-Bank 1, Sensor 3 (4.0L "G" Body & 4.6L "E" & "K" Bodies) DTC P0143: Ho2S Circuit-Low Voltage-Bank 1, Sensor 3 (4.3L, 5.0L & 5.7L "C", "G", "K", "L", "M", "P", "S" & "T" Series) DTC P0144 DTC P0144: Ho2S Circuit-High Voltage-Bank 1, Sensor 3 (3.8L "F" Body) DTC P0144: Ho2S Circuit-High Voltage-Bank 1, Sensor 3 (4.0L "G" Body & 4.6L "E" & "K" Bodies) DTC P0144: Ho2S Circuit-High Voltage-Bank 1, Sensor 3 (4.3L, 5.0L & 5.7L "C", "G", "K", "L", "M", "P", "S" & "T" Series) DTC P0146 DTC P0146: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 3 (3.8L "F" Body) DTC P0146: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 3 (4.0L "G" Body & 4.6L "E" & "K" Bodies) DTC P0146: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 3 (4.3L, 5.0L & 5.7L "C", "G", "K, "L", "M", "P", "S" & "T" Series) DTC P0147 DTC P0147: Ho2S Heater Circuit-Bank 1, Sensor 3 (3.8L "F" Body) DTC P0147: Ho2S Heater Circuit-Bank 1, Sensor 3 (4.0L "G" Body & 4.6L "E" & "K" Bodies) DTC P0147: Ho2S Heater Circuit Bank 1, Sensor 3 (4.3L, 5.0L & 5.7L "C", "G", "K", "L", "M", "P", "S" & "T" Series) DTC P0150 DTC P0151 DTC P0151: Ho2S Circuit Voltage Low Bank 2, Sensor 1 (3.0L "V" Body) DTC P0151: Ho2S Circuit Voltage Low Bank 2, Sensor 1 (3.8L "F" Body) DTC P0151: Ho2S Circuit-Low Voltage-Bank 2, Sensor 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies) DTC P0151: Ho2S Circuit-Low Voltage-Bank 2, Sensor 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series) DTC P0151: Ho2S Circuit-Low Voltage-Bank 2, Sensor 1 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies) DTC P0152 DTC P0152: Ho2S Circuit-High Voltage-Bank 2, Sensor 1 (3.0L "V" Body) DTC P0152: Ho2S Circuit-High Voltage-Bank 2, Sensor 1 (3.8L "F" Body) DTC P0152: Ho2S Circuit-High Voltage-Bank 2, Sensor 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies) DTC P0152: Ho2S Circuit Voltage High Bank 2, Sensor 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series) DTC P0152: Ho2S Circuit-High Voltage-Bank 2, Sensor 1 (4.8L, 5.3L & 6.0L "C" & "K" Series) DTC P0152: Ho2S Circuit-High Voltage-Bank 2, Sensor 1 (5.7L "F" & "Y" Bodies) DTC P0153 DTC P0153: Ho2S Circuit-Slow Response-Bank 2, Sensor 1 (3.8L "F" Body) DTC P0153: Ho2S Circuit-Slow Response-Bank 2, Sensor 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies) DTC P0153: Ho2S Circuit-Slow Response-Bank 2, Sensor 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series) DTC P0153: Ho2S Circuit-Slow Response-Bank 2, Sensor 1 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies) DTC P0154 DTC P0154: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 1 (3.0L "V" Body) DTC P0154: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 1 (3.8L "F" Body) DTC P0154: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies) DTC P0154: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 1 (4.3L "L" & "M" Series) DTC P0154: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "P", "S" & "T" Series) DTC P0154: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 1 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies) DTC P0155 DTC P0155: Ho2S Heater Circuit-Bank 2, Sensor 1 (3.0L "V" Body) DTC P0155: Ho2S Heater Circuit-Bank 2, Sensor 1 (3.8L "F" Body) DTC P0155: Ho2S Heater Circuit-Bank 2, Sensor 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies) DTC P0155: Ho2S Heater Circuit-Bank 2, Sensor 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series) DTC P0155: Ho2S Heater Circuit-Bank 2, Sensor 1 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies) DTC P0156 DTC P0157 DTC P0158 DTC P0159 DTC P0160 DTC P0161 DTC P0171 DTC P0171: Fuel Trim System Too Lean (1.9L SATURN) DTC P0171: Fuel Trim System Lean (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies) DTC P0171: Fuel Trim System Lean-Bank 1 (3.0L "V" Body) DTC P0171: Fuel Trim System Lean (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series) DTC P0171: Fuel Trim System Lean (3.8L "C", "F", "G", "H" & "W" Bodies) DTC P0171: Fuel Trim System Lean-Bank 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies) DTC P0171: Fuel Trim System Lean-Bank 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series) DTC P0171: Fuel Trim System Lean-Bank 1 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies) DTC P0172 DTC P0172: Fuel Trim System Rich (1.9L SATURN) DTC P0172: Fuel Trim System Rich (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies) DTC P0172: Fuel Trim System Rich-Bank 1 (3.0L "V" Body) DTC P0172: Fuel Trim System Rich (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series) DTC P0172: Fuel Trim System Rich (3.8L "C", "G", "H" & "W" Bodies) DTC P0172: Fuel Trim System Rich-Bank 1 (3.8L "F" Body) DTC P0172: Fuel Trim System Rich-Bank 1 (4.0L "G" Body & 4.6L "E" & "K" Bodies) DTC P0172: Fuel Trim System Rich-Bank 1 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series) DTC P0172: Fuel Trim System Rich-Bank 1 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies) DTC P0174 DTC P0175 DTC P0200 DTC P0201 DTC P0202 DTC P0203 DTC P0204