Engine-Codes - Generic - P1156

P1156 - HO2S Rich Average Bank 2 Sensor 1

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P1156 Possible Causes

  • Faulty O2 Sensor Heater Bank 2 Sensor 1
  • O2 Sensor Heater Bank 2 Sensor 1 harness is open or shorted
  • O2 Sensor Heater Bank 2 Sensor 1 circuit poor electrical connection

How is the P1156 code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P1156 code

Labor: 1.0

The cost to diagnose the P1156 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1156 Meaning

HO2S Rich Average Bank 2 Sensor 1 is the generic description for the P1156 code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P1156 OBDII code.

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