Service and Repair Manual
September 2016
Fault Codes
78
Z-34/22 IC
Part No. 1274592
GM Fault Code Chart
Description
DTC Set 2
SPN-2 / FMI-2
Description
DTC Set 2
SPN-2 / FMI-2
DTC 1634: PWM2-Gauge2 short to power
698 / 6
DTC 2126: FPP1-2 higher than expected
91 / 16
DTC 1635: PWM3-Gauge3 open / ground short
699 / 6
DTC 2127: FPP2 voltage low
29 / 4
DTC 1636: PWM3-Gauge3 short to power
700 / 5
DTC 2128: FPP2 voltage high
29 / 3
DTC 1637: PWM4 open / ground short
700 / 6
DTC 2130: IVS stuck at-idle, FPP1/2 match
558 / 5
DTC 1638: PWM4 short to power
520230 / 5 DTC 2131: IVS stuck off-idle, FPP1/2 match
558 / 6
DTC 1639: PWM5 open / ground short
520230 / 5
DTC 2135: TPS1/2 simultaneous voltages
out-of-range
51 / 31
DTC 1640: PWM5 short to power
520230 / 6 DTC 2139: FPP1 lower than IVS
91 / 1
DTC 1641: Buzzer control ground short
920 / 4
DTC 2140: FPP2 lower than IVS
29 / 1
DTC 1642: Buzzer open
920 / 5
DTC 2229: BP pressure high
108 / 0
DTC 1643: Buzzer control short to power
920 / 3
DTC 2300: Spark coil 1 primary open or short to
ground
1268 / 5
DTC 1644: MIL control ground short
1213 / 4
DTC 2301: Spark coil 1 primary shorted
1268 / 6
DTC 1645: MIL control short to power
1213 / 3
DTC 2303: Spark coil 2 primary open or short to
ground
1269 / 5
DTC 1651: J1939 ETC message receipt loss
while in-gear
91 / 9
DTC 2304: Spark coil 2 primary shorted
1269 / 6
DTC 1661: PWM6 open / ground short
925 / 5
DTC 2306: Spark coil 3 primary open or short to
ground
1270 / 5
DTC 1662: PWM6 short to power
925 / 3
DTC 2307: Spark coil 3 primary shorted
1270 / 6
DTC 1663: PWM7 open / ground short
926 / 5
DTC 2309: Spark coil 4 primary open or short to
ground
1271 / 5
DTC 1664: PWM7 short to power
926 / 3
DTC 2310: Spark coil 4 primary shorted
1271 / 6
DTC 1665: PWM8 open / ground short
2646 / 5
DTC 2312: Spark coil 5 primary open or short to
ground
1272 / 5
DTC 1666: PWM8 short to power
2646 / 3
DTC 2313: Spark coil 5 primary shorted
1272 / 6
DTC 1669: PWM9 open / ground short
2647 / 5
DTC 2315: Spark coil 6 primary open or short to
ground
1273 / 5
DTC 1670: PWM9 short to power
2647 / 3
DTC 2316: Spark coil 6 primary shorted
1273 / 6
DTC 2111: Unable to reach lower TPS
51 / 7
DTC 2318: Spark coil 7 primary open or short to
ground
1274 / 5
DTC 2112: Unable to reach higher TPS
51 / 7
DTC 2319: Spark coil 7 primary shorted
1274 / 6
DTC 2115: FPP1 higher than IVS
91 / 0
DTC 2321: Spark coil 8 primary open or short to
ground
1275 / 5
DTC 2116: FPP2 higher than IVS
29 / 0
DTC 2322: Spark coil 8 primary shorted
1275 / 6
DTC 2120: FPP1 invalid voltage and
FPP2 disagrees with IVS
520250 / 31
DTC 2324: Spark coil 9 primary open or short to
ground
1276 / 5
DTC 2121: FPP1-2 lower than expected
91 / 18
DTC 2325: Spark coil 9 primary shorted
1276 / 6
DTC 2122: FPP1 voltage high
91 / 3
DTC 2327: Spark coil 10 primary open or short to
ground
1277 / 5
DTC 2123: FPP1 voltage low
91 / 4
DTC 2328: Spark coil 10 primary shorted
1277 / 6
DTC 2125: FPP2 invalid voltage and
FPP1 disagrees with IVS
520250 / 31
DTC 2428: EGT temperature high
173 / 0
Summary of Contents for Genie Z-34/22 IC
Page 28: ...September 2016 Service and Repair Manual Specifications Part No 1274592 Z 34 22 IC 15 ...
Page 69: ...Service and Repair Manual September 2016 Manifolds 56 Z 34 22 IC Part No 1274592 ...
Page 71: ...Service and Repair Manual September 2016 Manifolds 58 Z 34 22 IC Part No 1274592 ...
Page 77: ...Service and Repair Manual September 2016 Manifolds 64 Z 34 22 IC Part No 1274592 ...
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Page 141: ...Service and Repair Manual September 2016 128 GM Engine Harness Diagram ...
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Page 145: ...Service and Repair Manual September 2016 132 Perkins 403F 11 Engine Schematic ...
Page 146: ...September 2016 Service and Repair Manual 133 Manifold and Limit Switch Wiring Diagram ...
Page 147: ...Service and Repair Manual September 2016 134 Manifold and Limit Switch Wiring Diagram ...
Page 148: ...September 2016 Service and Repair Manual 135 Hydraulic Schematic 2WD Models ...
Page 151: ...Service and Repair Manual September 2016 138 Hydraulic Schematic 2WD Models ...
Page 152: ...September 2016 Service and Repair Manual 139 Hydraulic Schematic 4WD Models ...
Page 156: ......