Engine Control System - Tests W/Codes - DTC P0135-P0204

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 P0136: Ho2S Circuit-Bank 1, Sensor 2 (3.0L "V" Body)
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 P0139: Ho2S Circuit-Slow Response-Bank 1, Sensor 2 (3.0L "V" Body)
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 P0150: Ho2S Circuit-Bank 2, Sensor 1 (3.0L "V" Body)
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 P0156: Ho2S Circuit-Bank 2, Sensor 2 (3.0L "V" Body)
DTC P0157
- DTC P0157: Ho2S Circuit-Low Voltage-Bank 2, Sensor 2 (3.0L "V" Body)
- DTC P0157: Ho2S Circuit-Low Voltage-Bank 2, Sensor 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series)
- DTC P0157: Ho2S Circuit-Low Voltage-Bank 2, Sensor 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
DTC P0158
- DTC P0158: Ho2S Circuit-High Voltage-Bank 2, Sensor 2 (3.0L "V" Body)
- DTC P0158: Ho2S Circuit-High Voltage-Bank 2, Sensor 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series)
- DTC P0158: Ho2S Circuit-High Voltage-Bank 2, Sensor 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
DTC P0159
- DTC P0159: Ho2S Circuit-Insufficient Activity-Bank 1, Sensor 2 (3.0L "V" Body)
DTC P0160
- DTC P0160: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 2 (3.0L "V" Body)
- DTC P0160: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series)
- DTC P0160: Ho2S Circuit-Insufficient Activity-Bank 2, Sensor 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
DTC P0161
- DTC P0161: Ho2S Heater Circuit-Bank 2, Sensor 2 (3.0L "V" Body)
- DTC P0161: Ho2S Heater Circuit-Bank 2, Sensor 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K" & "P" Series)
- DTC P0161: Ho2S Heater Circuit-Bank 2, Sensor 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
DTC P0171
- DTC P0171: Fuel Trim System Too Lean (1.9L SATURN)
  - Circuit Description
  - Diagnostic Aids
- 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)
  - Circuit Description
  - Diagnostic Aids
- 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 P0174: Fuel Trim System Lean-Bank 2 (3.0L "V" Body)
- DTC P0174: Fuel Trim System Lean-Bank 2 (3.8L "F" Body)
- DTC P0174: Fuel Trim System Lean-Bank 2 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0174: Fuel Trim System Lean-Bank 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series)
- DTC P0174: Fuel Trim System Lean-Bank 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
DTC P0175
- DTC P0175: Fuel Trim System Rich-Bank 2 (3.0L "V" Body)
- DTC P0175: Fuel Trim System Rich-Bank 2 (3.8L "F" Body)
- DTC P0175: Fuel Trim System Rich-Bank 2 (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- DTC P0175: Fuel Trim System Rich-Bank 2 (4.3L, 5.0L, 5.7L & 7.4L "C", "G", "K", "L", "M", "P", "S" & "T" Series)
- DTC P0175: Fuel Trim System Rich-Bank 2 (4.8L, 5.3L & 6.0L "C" & "K" Series & 5.7L "F" & "Y" Bodies)
DTC P0200
- DTC P0200: Injector Control Circuit (2.2L "J" Body, 2.2L "S" Series & 2.4L "J" & "N" Bodies)
DTC P0201
- DTC P0201, P0202, P0203 &/Or P0204: Injector Control Circuit Fault (1.9L SATURN)
- DTC P0201: Injector No. 1 Control Circuit (3.0L "V" Body)
- DTC P0201: Injector No. 1 Control Circuit (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0201: Injector No. 1 Control Circuit (3.5L "W" Body)
- DTC P0201: Injector No. 1 Control Circuit (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0201: Injector No. 1 Control Circuit (4.0L "G" Body & 4.6L "E" & "K" Bodies)
DTC P0202
- DTC P0202: Injector No. 2 Control Circuit (3.0L "V" Body)
- DTC P0202: Injector No. 2 Control Circuit (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0202: Injector No. 2 Control Circuit (3.5L "W" Body)
- DTC P0202: Injector No. 2 Control Circuit (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0202: Injector No. 2 Control Circuit (4.0L "G" Body & 4.6L "E" & "K" Bodies)
DTC P0203
- DTC P0203: Injector No. 3 Control Circuit (3.0L "V" Body)
- DTC P0203: Injector No. 3 Control Circuit (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0203: Injector No. 3 Control Circuit (3.5L "W" Body)
- DTC P0203: Injector No. 3 Control Circuit (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0203: Injector No. 3 Control Circuit (4.0L "G" Body & 4.6L "E" & "K" Bodies)
DTC P0204
- DTC P0204: Injector No. 4 Control Circuit (3.0L "V" Body)
- DTC P0204: Injector No. 4 Control Circuit (3.1L "N" & "W" Bodies & 3.4L "N" Body & "U" Series)
- DTC P0204: Injector No. 4 Control Circuit (3.5L "W" Body)
- DTC P0204: Injector No. 4 Control Circuit (3.8L "C", "F", "G", "H" & "W" Bodies)
- DTC P0204: Injector No. 4 Control Circuit (4.0L "G" Body & 4.6L "E" & "K" Bodies)