PACCAR MX (2004 Emissions) Fault Code: P1496 Engine Protection System – Protection Mode, Active

PACCAR MX (2004 Emissions) Fault Code: P1496 Engine Protection System – Protection Mode, Active

SET CONDITIONS:
This DTC is activated by another active DTC.

CORRESPONDING OBD READINESS MONITOR:
None

RESET CONDITION:
This DTC becomes inactive as soon as the DTC from which it originates becomes inactive.

REPAIR VERIFICATION:
1. Clear all DTCs.
2. Test drive or operate the vehicle to meet the diagnostic conditions and set conditions.
3. Did the DTC come back?
– No, repair successful
– Yes, repair unsuccessful

ADDITIONAL INFORMATION:
IMPORTANT: Do not diagnose this DTC since it originates from another DTC.

1. Engine mode: ‘Protection mode’ is activated. The EGR valve is closed and no longer operated.

2. After 10 hours of engine operation with P1496 active, P1495 becomes active.

3. P1496 is activated by the following DTCs:
P0046, P0093, P0094, P009F, P00B7, P0110, P0112, P0113, P0115, P0116, P0117, P0118, P011A, P0127, P0128, P0168, P0192, P0193, P0217, P0471, P0472, P0473, P0488, P062A, P101E, P101F, P1020, P1021, P1022, P1023, P1024, P1025, P1026, P102D, P1088, P1089, P1090, P109C, P109D, P1111, P1115, P1128, P1168, P1180, P1195, P1196, P1197, P127C, P1280, P1284, P1285, P1286, P1288, P1352, P1356, P1457, P1480, P1481, P1482, P1483, P1484, P1485, P1486, P1487, P1488, P1644, P1645, P170F, P1718, P1719, P1723, P1724, P228C, P2294, P2295, P2296, P229C, P229D, P2457, P2563, P3046, P3101, P3778, P3786, P3787, P3790, P3791, P3796, P3798, P3800, P3831, P3832, P3833, P3834, P3835, P3836, P3837, P3838, P3839, P3840, P3841, P3842, P3843, U104C, U111C, U111D, U1159, U1571, U1573, U1577, U157C, U157D, U157E