DESCRIPTION:
Exhaust temperature high.

MONITORED PARAMETER:
Exhaust temperature.

TYPICAL ENABLING CONDITIONS:
Always on

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
2 seconds

DASH LAMPS:
CEL

ENGINE REACTION:
Derate 25%

NOTE: If any other codes are active, fix those first.

PROBABLE CAUSES:
1. DOC outlet temperature sensor.
2. DOC outlet temperature sensor connector/harness.
3. Failed injector/cylinder.
4. Remove DPF & inspect. If plugged or has residue on face from contamination, clean or replace.
5. Perform parked regen.