AutoCodes - Subaru - P1155 SUBARU

P1155 SUBARU Code - HO2S21 Sensor Circuit Range/Performance High

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3
Table of contents

|P1155 SUBARU code possible causes

  • Faulty O2 Sensor HO2S21
  • O2 Sensor HO2S21 harness is open or shorted
  • O2 Sensor HO2S21 circuit poor electrical connection

|How do I fix the P1155 SUBARU code?

Check 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.

|Cost of diagnosing the P1155 SUBARU code

Labor: 1.0

The cost of diagnosing the P1155 SUBARU code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P1155 SUBARU code possible symptoms?

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

|P1155 SUBARU code description

HO2S21 Sensor Circuit Range/Performance High is the generic description for the P1155 Subaru code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information about the P1155 Subaru OBDII code.

Still have questions? Please post your question on our Comments Section below for more information.

OBDII Code P1155 Subaru - HO2S21 Sensor Circuit Range/Performance High -

|Need more information with the P1155 SUBARU code?

Need more information on how to fix the P1155 SUBARU code? Get Access to Factory Service Manuals

|Need help with a P1155 SUBARU code?

Get the P1155 Subaru code diagnosed by a professional: Find a repair shop in your area

|P1155 SUBARU code comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P1155 Subaru code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧
Repair Importance Level: 3
1=Low 2=Medium 3=High What is this?
Repair Difficulty Level: 2
1=Easy 2=Moderate 3=Hard What is this?