September 2016 Service and Repair ManualFault CodesPart No. 1274592 Z-34/22 IC 75GM Fault Code ChartDescription DTC Set 2SPN-2/FMI-2 Description DTC Set 2SPN-2/FMI-2DTC 11: Intake cam / distributor position error 520800 / 7 DTC 221: TPS1-2 higher than expected 653/6DTC 16: Crank and/or cam no sync during start 636 / 8 DTC 222: TPS2 voltage low 520251 / 4DTC 24: Exhaust cam position error 520801 / 7 DTC 223: TPS2 voltage high 520251 / 3DTC 87 Fuel pressure lower than expected 94 / 1 DTC 234: Boost control overboost failure 1692 / 0DTC 88 Fuel pressure higher than expected 94 / 0 DTC 236: TIP active 1692 / 2DTC 91: FP low voltage 94 / 4 DTC 237: TIP low voltage 1127 / 4DTC 92: FP high voltage 94 / 3 DTC 238: TIP high voltage 1127 / 3DTC 107: MAP voltage low 106 / 4 DTC 261: Injector 1 open or short to ground 651 / 5DTC 108: MAP pressure high 106 / 16 DTC 262: Injector 1 coil shorted 651 / 6DTC 111: IAT higher than expected stage 1 105 / 15 DTC 264: Injector 2 open or short to ground 652 / 5DTC 112: IAT voltage low 105 / 4 DTC 265: Injector 2 coil shorted 652 / 6DTC 113: IAT voltage high 105 / 3 DTC 267: Injector 3 open or short to ground 653 / 5DTC 116: ECT higher than expected stage 1 110 / 15 DTC 268: Injector 3 coil shorted 653/6DTC 117: ECT voltage low 110 / 4 DTC 270: Injector 4 open or short to ground 654 / 5DTC 118: ECT voltage high 110 / 3 DTC 271: Injector 4 coil shorted 654 / 6DTC 121: TPS1-2 lower than expected 51 / 1 DTC 273: Injector 5 open or short to ground 655 / 5DTC 122: TPS1 voltage low 51 / 4 DTC 274: Injector 5 coil shorted 655 / 6DTC 123: TPS1 voltage high 51 / 3 DTC 276: Injector 6 open or short to ground 656 / 5DTC 127: IAT higher than expected stage 2 105 / 0 DTC 277: Injector 6 coil shorted 656 / 6DTC 129: BP pressure low 108 / 1 DTC 279: Injector 7 open or short to ground 657 / 5DTC 134: EGO1 open / lazy 724 / 10 DTC 280: Injector 7 coil shorted 657 / 6DTC 140: EGO3 open / lazy 520209 / 10 DTC 282: Injector 8 open or short to ground 658 / 5DTC 154: EGO2 open / lazy 520208 / 10 DTC 283: Injector 8 coil shorted 658 / 6DTC 160: EGO4 open / lazy 520210 / 10 DTC 285: Injector 9 open or short to ground 659 / 5DTC 171: Adaptive-learn gasoline bank1 high 520200 / 0 DTC 308: Cylinder 8 emissions/catalyst damagingmisfire 1330 / 31DTC 172: Adaptive-learn gasoline bank1 low 520200 / 1 DTC 326: Knock1 excessive or erratic signal 731 / 2DTC 174: Adaptive-learn gasoline bank2 high 520201 / 0 DTC 327: Knock1 sensor open or not present 731 / 4DTC 175: Adaptive-learn gasoline bank2 low 520201 / 1 DTC 331: Knock2 excessive or erratic signal 520241 / 2DTC 182: FT low voltage 174 / 4 DTC 332: Knock2 sensor open or not present 520241 / 4DTC 183: FT high voltage 174 / 3 DTC 336: CRANK input signal noise 636 / 2DTC 187: Gaseous fuel temp sender lowvoltage 520240 / 4 DTC 337: Crank signal loss 636 / 4DTC 188: Gaseous fuel temp sendr high voltage 520240 / 3 DTC 341: CAM input signal noise 723 / 2DTC 217: ECT higher than expected stage 2 110 / 0 DTC 342: Loss of CAM input signal 723 / 4DTC 219: RPM higher than max allowed governspeed 515 / 15 DTC 359: Fuel run-out longer than expected 1239 / 7