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This is the complete list of Caterpillar fault codes.

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1 11 injector solenoid cyl#1 current below normal
2 11 injector solenoid cyl#2 current below normal
3 11 injector solenoid cyl#3 current below normal
4 11 injector solenoid cyl#4 current below normal
5 11 injector solenoid cyl#5 current below normal
6 11 injector solenoid cyl#6 current below normal
22 13 ECU speed signal calibration not performed
30 8 PTO PTO throttle signal invalid
30 13 PTO PTO throttle signal out of calibration flash codes
32 5 turbo wastegate solenoid current below normal
32 6 turbo wastegate solenoid current above normal or shorted to ground
32 11 turbo wastegate solenoid current mismatch
41 3 8 volt supply voltage above normal or shorted high
41 4 8 volt supply voltage below normal or shorted low
42 11 Injection Actuation Pump output failure
43 2 ECU key switch
64 2 speed sensor loss of signal
64 11 speed sensor erratic data signal
70 5 intake heater current beow normal
70 6 intake heater current above normal or shorted to ground
71 1 idle idle shutdown
71 14 PTO PTO shutdown
84 0 vehicle speed sensor over speed warning
84 1 vehicle speed sensor loss of signal
84 2 vehicle speed sensor erratic/incorrect data signal
84 8 vehicle speed sensor signal out of normal range
84 10 vehicle speed sensor abnornal rate of change
84 14 vehicle speed sensor quick stop occurance
91 8 throttle position invalid signal
91 13 throttle position out of calibration
94 1 fuel pressure low fuel pressure
94 3 fuel pressure voltage above normal
94 4 fuel pressure voltage below normal
94 11 fuel pressure low cranking fuel pressure
96 3 fuel level voltage above normal
96 4 fuel level voltage below normal
100 1 oil pressure sensor low pressure warning
100 3 oil pressure sensor voltage above normal
100 4 oil pressure sensor voltage below normal
100 11 oil pressure sensor very low oil pressure
102 1 intake mfld pres sensor low boost pressure
102 3 intake mfld pres sensor voltage above normal or shorted high
102 4 intake mfld pres sensor voltage below normal or open circuit
102 2 intake mfld pres sensor data does not match current conditions
102 7 intake mfld pres sensor not responding
105 3 intake mfld tem sensor voltage above normal or shorted high
105 4 intake mfld tem sensor voltage below normal or open circuit
105 0 intake mfld tem sensor temperature above protection limit
105 11 intake mfld tem sensor very high intake air temperature
108 3 barometric pres sensor voltage above normal or shorted high
108 4 barometric pres sensor voltage below normal or shorted low
108 2 barometric pres sensor erratic/incorrect data signal
110 3 coolant temp sensor voltage above normal or shorted high
110 4 coolant temp sensor voltage below normal or open circuit
110 0 coolant temp sensor temperature above normal range
110 11 coolant temp sensor very high coolant temperature
111 2 coolant level sensor invalid signal
111 3 coolant level sensor voltage above normal or shorted high
111 4 coolant level sensor voltage below normal or open circuit
111 1 coolant level sensor level below normal range
111 11 coolant level sensor very low coolant level
128 3 sec fuel level voltage below normal or shorted low
128 4 sec fuel level voltage above normal or shorted high
164 2 injection actuation pressure erratic signal
164 3 injection actuation pressure voltage above normal
164 4 injection actuation pressure voltage below normal
164 0 injection actuation pressure excessive pressure
164 11 injection actuation pressure system failure
168 2 ECM failure supply voltage intermittent
168 1 ECM failure supply voltage low
168 0 ECM failure supply voltage high
173 0 exhaust temperature derate for high exhaust temperature
173 11 exhaust temperature derate for very high exhaust temperature
186 4 PTO PTO shutdown switch voltage low
186 14 PTO PTO shutdown switch occurance
190 0 engine speed overspeed warning
190 2 engine speed loss of data signal
190 11 engine speed erratic signal
224 11 theft deterent active signal
224 14 theft deterent active signal when cranking
231 2 J1939 data incorrect data fron J1939
231 11 J1939 data J1939 configuration
231 12 J1939 data loss of data signal
231 14 J1939 data transmission data link derate
232 3 5 volt supply voltage above normal
232 4 5 volt supply voltage below normal
232 3 sensor supply voltage above normal or shorted high
232 4 sensor supply voltage below normal or shorted low
246 11 brake pedal switch1 switch not responding
247 11 brake pedal switch2 switch not responding
251 12 injector power supply low voltage for injector power supply
251 2 ECM failure igniton power lost to ecm
252 11 ECU incorrect engine software
253 2 ECU customer or system parameters
253 14 ECU OEM parameter not programmed
311 14 ATD active regeneration inhibited due to low exhaust temperature
314 3 clean gas induction CGI pressure sensor voltage above normal
314 4 clean gas induction CGI pressure sensor voltage below normal
315 2 clean gas induction CGI temp high
315 3 clean gas induction CGI temp sensor voltage above normal
315 4 clean gas induction CGI temp sensor voltage below normal
316 0 clean gas induction CGI flow rate high
316 3 clean gas induction CGI temp sensor voltage above normal
316 4 clean gas induction CGI temp sensor voltage below normal
316 11 clean gas induction CGI flow rate high
316 14 clean gas induction CGI flow rate low
317 5 clean gas induction CGI actuator shaft current below normal
317 6 clean gas induction CGI actuator shaft current above normal
324 0 ATD ATD differential pressure above limits
320 0 ATD ATD filter temperature high
320 1 ATD ATD filter temperature high
320 11 ATD ATD filter temperature very high
320 3 ATD ATD filter temperature sensor voltage above normal
320 4 ATD ATD filter temperature sensor voltage below normal
324 11 ATD ATD differntial pressure, high filter restriction
324 3 ATD ATD differential pressure voltage above normal
324 4 ATD ATD differential pressure voltage below normal
324 2 ATD ATD differential pressure signal erratic
324 1 ATD ATD differential pressure , filter restricted
324 0 ATD ATD differential pressure above limits
327 2 ATD ATD exhaust gas temperature 2 data drifted high
327 3 ATD ATD exhaust gas temperature 2 voltage above normal
327 4 ATD ATD exhaust gas temperature 2 voltage below normal
332 3 after treatment fuel pressure control after treatment fuel pressure sensor voltage above normal
332 4 after treatment fuel pressure control after treatment fuel pressure sensor voltage below normal
332 11 after treatment fuel pressure control after treatment fuel presuure high
333 5 after treatment fuel pressure control ARD solenoid current above normal
333 6 After treatment fuel pressure control ARD solenoid current above normal View Full Solution
334 5 After treatment fuel actuator ARD solenoid current below normal View Full Solution
334 6 After treatment fuel actuator ARD solenoid current above normal View Full Solution
335 5 Aftertreatment ignition ARD ignition current below normal View Full Solution
335 6 after treatment ignition ARD ignition current above normal View Full Solution
336 3 after treatment 2 fuel pressure sensor voltage above normal View Full Solution
336 4 after treatment 2 fuel pressure sensor voltage below normal View Full Solution
336 11 after treatment 2 fuel pressure fuel pressure high View Full Solution
341 5 after treatment purge air actuator ARD purge air current below normal View Full Solution
341 6 after treatment purge air actuator ARD purge air current above normal View Full Solution
349 1 after treatment purge air actuator ARD purge air pressure low View Full Solution
349 7 after treatment purge air actuator ARD purge pressure not responding View Full Solution
350 5 after treatment air pressure control ARD solenoid current below normal View Full Solution
350 6 after treatment air pressure control ARD solenoid current above normal View Full Solution
350 7 after treatment air pressure control ARD solenoid not responding View Full Solution
356 11 ATD ARD failed to ignite View Full Solution
357 11 ATD ARD loss of ignition View Full Solution
360 11 after treatment parked regen manually disabled View Full Solution
373 3 ATD secondary differential pressure sensor voltage above normal

373 4 ATD secondary differential pressure sensor voltage below normal