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.
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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.
P2BA9-00NOX Exceedence - Insufficient Reagent Quality
P2BA9NOX Exceedence - Insufficient Reductant Quality
P2BA9-00NOx Exceedence - Insufficient Reductant Quality
Manufacturer communications
13Original wording in English
RAM
Updated Diagnostic Trouble Code (DTC) P2BA9 ? Insufficient Reductant Quality, ?Service Diesel Exhaust Fluid (DEF) System? Message Reset Procedure.
LAND ROVER
Situation: The engine Malfunction Indicator Lamp (MIL) may be illuminated with 'No Engine Restarts in XXX miles. Incorrect Diesel Exhaust Fluid Quality Detected' warning message displayed on the Instrument Cluster. During diagnosis, the technician may find Diagnostic Trouble Code (DTC) P2BA9-00 and/or P2BA9-92, which may be acco…
LAND ROVER
Issue: Reports of 'No Engine Restarts in XXX miles. 'Incorrect Diesel Exhaust Fluid Quality Detected' warning message displayed on the Instrument Cluster (IC) and Diagnostic Trouble Code (DTC) P2BA9-00 and/or P2BA9-92 stored in the Powertrain Control Module (PCM) which may be accompanied by DTCs P2BAE and P2BAF.
LAND ROVER
Issue: Reports of 'No Engine Restarts in XXX miles. 'Incorrect Diesel Exhaust Fluid Quality Detected' warning message displayed on the Instrument Cluster (IC) and Diagnostic Trouble Code (DTC) P2BA9-00 and/or P2BA9-92 stored in the Powertrain Control Module (PCM) which may be accompanied by DTCs P2BAE and P2BAF.
Check vehicle applicability
8A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Jeep | GRAND CHEROKEE ↗ | 2015 |
| Jeep | GRAND CHEROKEE ↗ | 2014 |
| Land Rover | RANGE ROVER ↗ | 2017 |
| Land Rover | RANGE ROVER ↗ | 2016 |
| Land Rover | RANGE ROVER SPORT ↗ | 2017 |
| Land Rover | RANGE ROVER SPORT ↗ | 2016 |
| Ram | PROMASTER ↗ | 2015 |
| Ram | PROMASTER ↗ | 2014 |
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.