P2006Ram PromasterYears: 1996 - 2026
NOx Trap/Adsorber System (P2006)
Reviewed by ASE Certified Technician
What does this mean?
Code P2006 relates to the NOx adsorber/trap system, primarily used in diesel and lean-burn gasoline engines to reduce nitrogen oxide emissions.
Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Ram Promaster models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.
Advertisement (In-Article)
Common Causes
Degraded NOx adsorber catalyst
Faulty NOx sensor
Stuck or faulty EGR valve
Damaged, chafed, or broken wiring harness
PCM/ECM software needs update (TSB)
Symptoms to Watch For
- Check Engine Light is illuminated
- Failed emissions test
- Significant loss of engine power
- Decreased fuel economy
- Vehicle enters reduced power / limp mode