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Service Code
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Service Code Definition
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111
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O/R/C
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System PASS
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112
|
O/C
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Air Charge Temp (ACT) sensor circuit below minimum voltage/
254*F indicated
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113
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O/C
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Air Charge Temp (ACT) sensor circuit above maximum voltage/-40*F
indicated
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114
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O/R
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Air Charge Temp (ACT) higher or lower than expected during
KOEO, KOER
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116
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O/R
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Engine Coolant Temp (ECT) higher or lower than expected
during KOEO, KOER
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117
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O/C
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Engine Coolant Temp (ECT) sensor circuit below minimum
voltage/ 254*F indicated
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118
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O/C
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Engine Coolant Temp (ECT) sensor circuit above maximum
voltage/- 40*F indicated
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121
|
O/R/C
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Closed throttle voltage higher or lower than expected
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122
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O/C
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Throttle Position (TP) Sensor circuit below minimum voltage
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123
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O/C
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Throttle Position (TP) Sensor circuit above maximum voltage
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124
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C
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Throttle Position (TP) Sensor voltage higher than expected
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125
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C
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Throttle Position (TP) Sensor voltage lower than expected
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126
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O/R/C
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BP sensor higher or lower than expected
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129
|
R
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Insufficient Mass Air Flow (MAF) change. during Dynamic
Response Test
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136
|
R
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Lack of Oxygen Sensor (HEGO) switches, indicates lean
(LEFT SIDE)
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137
|
R
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Lack of Oxygen Sensor (HEGO) switches, indicates rich
(LEFT SIDE)
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139
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C
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No Oxygen Sensor (HEGO) switches detected (LEFT SIDE)
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144
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C
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No Oxygen Sensor (HEGO) switches detected (RIGHT SIDE)
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157
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C
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Mass Air Flow (MAF) sensor circuit below minimum voltage
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158
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O/C
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Mass Air Flow (MAF) sensor circuit above maximum voltage
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159
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O/R
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Mass Air Flow (MAF) higher or lower than expected during
KOEO, KOER
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167
|
R
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Insufficient throttle position change during Dynamic
Response Test
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171
|
C
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Fuel system at adaptive limits, Oxygen Sensor (HEGO)
unable to switch (RIGHT SIDE)
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172
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R/C
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Lack of Oxygen Sensor (HEGO) switches, indicates lean
(RIGHT SIDE)
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173
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R/C
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Lack of Oxygen Sensor (HEGO) switches, indicates rich
(RIGHT SIDE)
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175
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C
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Fuel system at adaptive limits, Oxygen Sensor (HEGO)
unable to switch (LEFT SIDE)
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176
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C
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Lack of Oxygen Sensor (HEGO) switches, indicates lean
(LEFT SIDE)
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177
|
C
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Lack of Oxygen Sensor (HEGO),switches, indicates rich-
(LEFT SIDE)
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179
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C
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Fuel system at lean adaptive limit at part throttle,
system rich (RIGHT SIDE)
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181
|
C
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Fuel system at rich adaptive limit at part throttle,
system lean (RIGHT SIDE)
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182
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C
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Fuel system at lean adaptive limit at idle, system rich
(RIGHT SIDE)
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183
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C
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Fuel system at rich adaptive limit at idle, system lean
(RIGHT SIDE)
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184
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C
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Mass Air Flow (MAF) higher than expected
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185
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C
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Mass Air Flow (MAF) lower than expected
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186
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C
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Injector pulse width higher than expected
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187
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C
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Injector pulse width lower than expected
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188
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C
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Fuel system at lean adaptive limit at part throttle,
system rich (LEFT SIDE)
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189
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C
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Fuel system at rich adaptive limit at part throttle,
-system lean (LEFT SIDE)
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191
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C
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Fuel system at lean adaptive limit at idle, system rich
(LEFT SIDE)
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192
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C
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Fuel system at rich adaptive limit at idle, system lean
(LEFT SIDE)
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211
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C
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Profile Ignition Pickup (PIP) circuit fault
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212
|
C
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Loss of Ignition Diagnostic Monitor (IDM) input to EEC
processor/SPOUT circuit grounded
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213
|
R
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SPOUT circuit open
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214
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C
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Cylinder Identification (CID) circuit failure
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215
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C
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EEC processor detected coil 1 primary circuit failure
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216
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C
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EEC processor detected coil 2 primary circuit failure
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217
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C
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EEC processor detected coil 3 primary circuit failure
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219
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C
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Spark timing defaulted to 10 degrees-SPOUT circuit open
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225
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R
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Knock not sensed during Dynamic Response Test
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341
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O
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Octane adjust service pin in use
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411
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R
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Cannot control rpm during KOER low rpm check
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412
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R
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Cannot control rpm during KOER high rpm check
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452
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C
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Insufficient input from Vehicle Speed Sensor (VSS)
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511
|
O
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EEC Processor Read Only Memory (ROM) test failure
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512
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C
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EEC Processor Keep Alive Memory (KAM) test failure
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522
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O
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Vehicle not in PARK or NEUTRAL during KOEO
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525
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O
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Indicates vehicle in gear / AC ON
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528
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C
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Clutch switch circuit failure
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536
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R/C
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Brake On/Off (BOO) circuit failure / not actuated during
KOER
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538
|
R
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Insufficient rpm change during KOER Dynamic Response
Test
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539
|
O
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AC On/Defrost On during KOEO
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542
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O/C
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Fuel pump secondary circuit failure
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543
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O/C
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Fuel pump secondary circuit failure
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556
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O/C
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Fuel pump relay primary circuit failure
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558
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O
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EGR Vacuum Regulator (EVR) circuit failure
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563
|
O
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High Speed-Electro Drive Fan (HEDF) circuit failure
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564
|
O
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Electro-Drive Fan (EDF) circuit failure
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565
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O
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Canister Purge (CANP) circuit failure
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998
|
R
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Hard fault present****FMEM mode****
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