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P1155 Subaru Code - HO2S21 Sensor Circuit Range/Performance High

- Code Popularity: 7,112 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P1155 Subaru?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty O2 Sensor HO2S21
  • O2 Sensor HO2S21 harness is open or shorted
  • O2 Sensor HO2S21 circuit poor electrical connection
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How to Fix the DTC P1155 Subaru?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1155 Subaru code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P1155 Subaru 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.

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

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Code P1155 Subaru comments

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