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 communications
2Original wording in English
NISSAN
2016 Titan XD Diesel; Battery disconnect wait time/DTCS P2509 & P181B Cummins 5.0 L Turbo Diesel.
NISSAN
SERVICE INFORMATION When disconnecting either of the 12 volt batteries on the Titan XD Diesel, follow these steps: 1. Turn the ignition OFF. 2. Wait at least 2 minutes. 3. Disconnect battery (negative cable first). NOTE: - If the above steps are not followed, DTCs P2509 and P181B may be stored. - If these codes are stored becaus…
Check vehicle applicability
1A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Nissan | TITAN XD ↗ | 2016 |
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.