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P0152

Overview

Code

P0152

Code Type

P

Code Class

P0

System

Engine, Emissions

Severity Level

Medium

Emissions Related

true

Drivability Impact

Minor

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0152 indicates high voltage in the oxygen sensor circuit for Bank 2 Sensor 1

Symptoms

Check Engine Light illuminated; Poor fuel economy

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

High O2 sensor voltage may indicate rich fuel conditions or sensor failure

Possible Causes

Faulty oxygen sensor; Wiring short to voltage

Diagnostic Steps

1 Confirm the code; 2 Inspect wiring for shorts; 3 Monitor O2 voltage; 4 Replace the oxygen sensor if required

Drive Safety Notes

Driving is possible but emissions may increase

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