System: Powertrain (P-Code)
SAE Standard (Generic)
Family: DPF Regen Exhaust Temperature
Code P244C: Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 1
Diagnostic & Technical Explanation
Code P244C (Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 1) sets when exhaust temperature at the DPF inlet is too low to sustain a commanded regeneration, letting soot continue to build, or too high, risking substrate damage, on either bank of a dual-filter configuration. Habitual short-trip driving causes the too-low condition, while a failed late-injection thermal-management event, a stuck-open exhaust flow control valve, or a leaking injector dumping excess fuel into the exhaust causes the too-high condition.
First-listed procedure
Rank #1
Drive to raise exhaust temperature
Easy DIY
This is the first procedure in the authored
consideration order, not a measured cause likelihood. Execute it only when its prerequisites
and diagnostic findings support it. Its cost and labor estimates (where known), the step-by-step procedure and the
remaining 2 procedure(s) are in the licensed dataset. Ordering context.
Full family: DPF Regen Exhaust Temperature
What this page does not show
This page publishes the fault mechanism and the code index. The licensed dataset adds, for
every one of the 15,886 codes, the full authored repair set (56,729 procedures in total)
with the fields deliberately withheld here:
- Procedures 2..n after the first-listed procedure
- Aftermarket parts cost ranges in USD (
est_parts_cost_min/max_usd)
- Professional labor-hour estimates (
est_labor_hours)
- Step-by-step diagnostic and repair instructions
- Replacement-part mappings and catalog lookups
- 6,637 manufacturer-specific OEM codes across 32 makes ($149 tier)