P0155 — O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)

Powertrain (engine/transmission)

O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)

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Can I drive with P0155?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code P0155 mean?

P0155 means O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1).

Can I keep driving with P0155?

You can usually drive home and book an inspection within a few days.

Related fault codes

• P0150 — O2 Sensor Circuit Malfunction (Bank 2 Sensor 1)
• P0151 — O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1)
• P0152 — O2 Sensor Circuit High Voltage (Bank 2 Sensor 1)
• P0153 — O2 Sensor Circuit Slow Response (Bank 2 Sensor 1)
• P0154 — O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
• P0156 — O2 Sensor Circuit Malfunction (Bank 2 Sensor 2)
• P0157 — O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2)
• P0158 — O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)
• P0159 — O2 Sensor Circuit Slow Response (Bank 2 Sensor 2)

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