AutoCodes – Cadillac – P1132 Cadillac

P1132 Cadillac Code - H02S Circuit Low Variance Bank 2 Sensor 1

Quick Answer

A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to correct for an over-lean condition. Common causes include Faulty Front Oxygen Sensor, Front Oxygen Sensor harness is open or shorted, Front Oxygen Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1132 Cadillac indicates H02S Circuit Low Variance Bank 2 Sensor 1.
Common causes: Common causes include Faulty Front Oxygen Sensor, Front Oxygen Sensor harness is open or shorted, Front Oxygen Sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 3,829

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1132 Cadillac Description

A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to correct for an over-lean condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.

OBDII Code P1132 Cadillac - H02S Circuit Low Variance Bank 2 Sensor 1 - AutoCodes.com — P1132 Cadillac Code - H02S Circuit Low Variance Bank 2 Sensor 1

What does this mean?

What are the Possible Causes of the DTC P1132 Cadillac?

Faulty Front Oxygen Sensor
Front Oxygen Sensor harness is open or shorted
Front Oxygen Sensor circuit poor electrical connection

How to Fix the DTC P1132 Cadillac?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1132 Cadillac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.