Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P2000NOx ABSORBER EFFICIENCY BELOW THRESHOLD
P2000NOX Absorber Efficiency Below Threshold - Bank 1
P2000NOX Absorber Efficiency Below Threshold - Bank 1
Manufacturer communications
9Original wording in English
ISUZU
ISUZU: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL POLICY ADJUSTMENT REGARDING THE VARIOUS DIAGNOSTIC TROUBLE CODES (DTC) P2201, P2206, P2207, P1490 OR P2000, HAVE BEEN SET DUE TO AN INTERNAL FAILURE OF SELECTIVE CATALYST REDUCTION (SCR) SYSTEM AND ILLUMINATING CHECK ENGINE MALFUNCTION INDICATOR LAMP (MIL), EXHAUST SYST…
DODGE, RAM
MIL Illumination Due to P2000, P2A00 and/or P2A01 FRONT O2 sensor. Customer may experience MIL illumination. Further investigation by the technician may find one or more of the following DTC(s) present: P2000 - NOX Absorber Efficiency Below Threshold - Bank 1. P2A00 - O2 Sensor 1/1 Circuit Performance. P2A01 - O2 Sensor 1/2 Circ…
DODGE, RAM
MIL Illumination Due to P2000, P2A00 and/or P2A01 This bulletin involves verifying all service bulletins related to high sooting issues have been properly addressed, inspecting both Oxygen (O2) sensors and either cleaning the sensors or replacing sensors, and installing an O2 Sensor Shield on the exhaust pipe in the area of the …
DODGE
Flash: Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software.Trucks exhibiting any DTC related to Oxygen Sensor, Oxygen Sensor Module or communication to the Oxygen Sensor Module also require that Service Bulletin?s 25-004-12 (or later bu…
Check vehicle applicability
18A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Dodge | RAM 2500 ↗ | 2012 |
| Dodge | RAM 2500 ↗ | 2011 |
| Dodge | RAM 2500 ↗ | 2010 |
| Dodge | RAM 2500 ↗ | 2008 |
| Dodge | RAM 2500 ↗ | 2007 |
| Dodge | RAM 3500 ↗ | 2012 |
| Dodge | RAM 3500 ↗ | 2011 |
| Dodge | RAM 3500 ↗ | 2010 |
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.