C7.1 Engines Caterpillar

Codes that Inhibit Operation of Aftertreatment System

Usage:

C7.1 881

Diagnostic Trouble Codes that Affect the Aftertreatment System and the Conditions for Clearing the Code

The following tables list the codes that inhibit the aftertreatment system either during the current key cycle or through successive key cycles.

Show/hide table

Table 1
Codes That Clear With Each Key Cycle
J1939 Code	CDL Code	Customer Action	Clearing Conditions
102-16	E1044 (2)	Cycle key OFF for 2 minutes and then run engine per Clearing Conditions	Engine Speed >1400/1500 RPM
102-18	E1045 (2)	Cycle key OFF for 2 minutes and then run engine per Clearing Conditions	Engine Speed >1400/1500 RPM
105-3	172-3	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
105-4	172-4	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
110-0	E361 (3)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
110-3	110-3	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
110-4	110-4	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
110-15	E361 (1)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
110-16	E361 (2)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
157-3	1797-3	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
157-4	1797-4	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
157-16	E396 (2)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
157-18	E398 (2)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
168-3	168-3	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
168-4	168-4	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
174-16	E363 (2)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
649-5	3512-5	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
649-6	3512-6	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
649-7	E1263 (2)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
651-2	1-2	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
651-5	1-5	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
651-6	1-6	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
652-2	2-2	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
652-5	2-5	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
652-6	2-6	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
653-2	3-2	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
653-5	3-5	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
653-6	3-6	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
654-2	4-2	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
654-5	4-5	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
654-6	4-6	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
655-2	5-2	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
655-5	5-5	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
655-6	5-6	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
656-2	6-2	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
656-5	6-5	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
656-6	6-6	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
1184-3	3782-3	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
1184-4	3782-4	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
1184-8	3782-8	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
1188-5	526-5	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
1188-6	526-6	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
1239-0	E499 (3)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
2791-6	3405-6	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
2791-7	E1121 (2)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
3242-3	2452-3	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
3242-4	2452-4	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
3242-8	2452-8	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
3358-3	3385-3	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
3358-4	3385-4	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
3358-13	3385-13	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
3563-3	1785-3	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
3563-4	1785-4	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
3563-13	1785-13	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
4360-17	E947 (1)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
4765-17	E1530 (1)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
5571-0	E1264 (2)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
5625-3	3513-3	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
5625-4	3513-4	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)
7740-31	E1645 (1)	Cycle key OFF for 2 minutes, then turn key ON	Circuit Check (Auto)

Show/hide table

Table 2
Codes That Stay Active Through Key Cycles
J1939 Codes	CDL Codes	Customer Action	Clearing Conditions
27-3	3407-3	Cycle key OFF for 2 minutes and then run engine per Clearing Conditions	Rectification completed and NRS system operating OK.
27-4	3407-4	Cycle key OFF for 2 minutes and then run engine per Clearing Conditions	Rectification completed and NRS system operating OK.
2791-5	3405-5	Code must be cleared with the electronic service tool	The electronic service tool is required.
5298-17	E2180 (1)	Cycle key OFF for 2 minutes and then run engine per Clearing Conditions	Rectification completed and "Aftertreatment Recovery Procedure" completed successfully.