Nissan P155b00 ((top)) | Simple › |

With proper diagnosis, you can fix P155B00 for under $500, saving thousands over a dealer’s "replace the entire hybrid battery" recommendation. Stay safe, respect the high-voltage orange cables, and keep your Nissan e-POWER rolling efficiently.

You may see a countdown or warning related to the diesel exhaust fluid system.

, like the car struggling to start or the dashboard lights flickering? Diagnose & Clear P0155 with iCarsoft CR MAX BT

The fix depends on what you discover during diagnosis. nissan p155b00

The Nissan P155B00 code (sometimes formatted as P155B-00 or P155B) is a diagnostic trouble code (DTC) that acts as a signal of a specific electrical or data communication failure within your Nissan’s onboard computer system. Unlike standard P01XX codes, P155B is a manufacturer-specific code, which generally means it points toward a problem with the , Engine Control Module (ECM) , or a critical sensor monitoring charging and power distribution.

The P155B00 code is related to the throttle control system, specifically the throttle valve control module. The code indicates that the throttle valve control module has detected an abnormality in the throttle valve's operating range. This abnormality can cause issues with the vehicle's acceleration, engine performance, and overall drivability.

A has access to the latest factory diagnostic information, proprietary tools, and technical service bulletins, which can save time and reduce guesswork. In some cases, a Nissan dealership may offer goodwill assistance on repairs even if the vehicle is slightly out of warranty, particularly for known issues. With proper diagnosis, you can fix P155B00 for

A loose, corroded, or damaged wiring harness/connector leading to the shutter motor [2].

Incorrect NOx readings can cause the ECU to mismanage the air-fuel ratio. Possible Causes

From technical service bulletins and diagnostic manuals, the primary causes of the P155B00 code include: , like the car struggling to start or

| Code | Description | |------|-------------| | | Battery Current Sensor Circuit Range/Performance | | P1551 | Battery Current Sensor Low Input | | P1554 | Battery Current Sensor Performance | | P155E | Energy Management System (specific sub‑code) | | P155F | Energy Management System (specific sub‑code) |

Understanding the root cause saves you from throwing parts at the problem. The most frequent culprits include: