July 2021
Description
DTC 1517: AUX analog Pull-Up 3 high voltage
DTC 1518: AUX analog Pull-Up 3 low voltage
DTC 1521: CHT higher than expected stage 1
DTC 1522: CHT higher than expected stage 2
DTC 1531: Gov1/2/3 interlock failure
DTC 1541: AUX analog Pull-Up/Down 1 high
voltage
DTC 1542: AUX analog Pull-Up/Down 1 low
voltage
DTC 1634: PWM2-Gauge2 short to power
DTC 1635: PWM3-Gauge3 open / ground short
DTC 1636: PWM3-Gauge3 short to power
DTC 1637: PWM4 open / ground short
DTC 1638: PWM4 short to power
DTC 1639: PWM5 open / ground short
DTC 1640: PWM5 short to power
DTC 1641: Buzzer control ground short
DTC 1642: Buzzer open
DTC 1643: Buzzer control short to power
DTC 1644: MIL control ground short
DTC 1645: MIL control short to power
DTC 1651: J1939 ETC message receipt loss
while in-gear
DTC 1661: PWM6 open / ground short
DTC 1662: PWM6 short to power
DTC 1663: PWM7 open / ground short
DTC 1664: PWM7 short to power
DTC 1665: PWM8 open / ground short
DTC 1666: PWM8 short to power
DTC 1669: PWM9 open / ground short
DTC 1670: PWM9 short to power
DTC 2111: Unable to reach lower TPS
DTC 2112: Unable to reach higher TPS
DTC 2115: FPP1 higher than IVS
DTC 2116: FPP2 higher than IVS
DTC 2120: FPP1 invalid voltage and
FPP2 disagrees with IVS
DTC 2121: FPP1-2 lower than expected
DTC 2122: FPP1 voltage high
Part No. 1312294GT
DTC Set 2
SPN-2 / FMI-2
520218 / 3
DTC 1626: CAN-J1939 Tx fault
520218 / 4
DTC 1627: CAN-J1939 Rx fault
110 / 16
DTC 1628: J1939 CAN address / engine-number conflict
110 / 0
DTC 1629: J1939 TSC1 message receipt loss
520270 / 31 DTC 1630: J1939 ETC message receipt loss
DTC 1632: PWM1-Gauge1 short to power
520219 / 3
DTC 1633: PWM2-Gauge2 open / ground short
520219 / 4
698 / 6
DTC 2126: FPP1-2 higher than expected
699 / 6
DTC 2127: FPP2 voltage low
700 / 5
DTC 2128: FPP2 voltage high
700 / 6
DTC 2130: IVS stuck at-idle, FPP1/2 match
520230 / 5
DTC 2131: IVS stuck off-idle, FPP1/2 match
520230 / 5
DTC 2135: TPS1/2 simultaneous voltages out-of-range
520230 / 6
DTC 2139: FPP1 lower than IVS
920 / 4
DTC 2140: FPP2 lower than IVS
920 / 5
DTC 2229: BP pressure high
920 / 3
DTC 2300: Spark coil 1 primary open or short to ground
1213 / 4
DTC 2301: Spark coil 1 primary shorted
1213 / 3
DTC 2303: Spark coil 2 primary open or short to ground
DTC 2304: Spark coil 2 primary shorted
91 / 9
925 / 5
DTC 2306: Spark coil 3 primary open or short to ground
925 / 3
DTC 2307: Spark coil 3 primary shorted
926 / 5
DTC 2309: Spark coil 4 primary open or short to ground
926 / 3
DTC 2310: Spark coil 4 primary shorted
2646 / 5
DTC 2312: Spark coil 5 primary open or short to ground
2646 / 3
DTC 2313: Spark coil 5 primary shorted
2647 / 5
DTC 2315: Spark coil 6 primary open or short to ground
2647 / 3
DTC 2316: Spark coil 6 primary shorted
51 / 7
DTC 2318: Spark coil 7 primary open or short to ground
51 / 7
DTC 2319: Spark coil 7 primary shorted
91 / 0
DTC 2321: Spark coil 8 primary open or short to ground
29 / 0
DTC 2322: Spark coil 8 primary shorted
DTC 2324: Spark coil 9 primary open or short to ground
520250 / 31
91 / 18
DTC 2325: Spark coil 9 primary shorted
91 / 3
DTC 2327: Spark coil 10 primary open or short to ground
Z
®
-34/22 IC
Service and Repair Manual
Fault Codes
Description
DTC Set 2
SPN-2 / FMI-2
639 / 12
639 / 12
639 /13
639 / 9
91 / 2
697 / 6
698 / 5
91 / 16
29 / 4
29 / 3
558 / 5
558 / 6
51 / 31
91 / 1
29 / 1
108 / 0
1268 / 5
1268 / 6
1269 / 5
1269 / 6
1270 / 5
1270 / 6
1271 / 5
1271 / 6
1272 / 5
1272 / 6
1273 / 5
1273 / 6
1274 / 5
1274 / 6
1275 / 5
1275 / 6
1276 / 5
1276 / 6
1277 / 5
79
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