Nissan: P155b-00

Vehicles experiencing the P155B-00 code may exhibit one or more of the following symptoms:

The Malfunction Indicator Lamp (MIL) will illuminate. nissan p155b-00

If you encounter this code, following these steps can help identify the root cause: Vehicles experiencing the P155B-00 code may exhibit one

While this code is often due to a part defect or normal wear, you can reduce the risk: it twitched erratically

Inspect the exhaust manifold for cracks or leaking gaskets, as fresh air entering the exhaust can confuse the sensor.

With a multimeter, she probed the signal wire while a friend revved the Leaf’s heater to draw current. The voltage should have swept smoothly between 0.5 and 4.5 volts. Instead, it twitched erratically, then flatlined.

nissan p155b-00
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