AutoCodes – Cadillac – P1392 Cadillac

P1392 Cadillac Code - Wheel Speed Sensor 1 G-Sensor Circuit Low Voltage

Quick Answer

P1392 Cadillac indicates Wheel Speed Sensor 1 G-Sensor Circuit Low Voltage. Common causes include Faulty G-Sensor, G-Sensor harness is open or shorted, G-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: P1392 Cadillac indicates Wheel Speed Sensor 1 G-Sensor Circuit Low Voltage.
Common causes: Common causes include Faulty G-Sensor, G-Sensor harness is open or shorted, G-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 2,902

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Aug 17, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1392 Cadillac Description

OBDII Code P1392 Cadillac - Wheel Speed Sensor 1 G-Sensor Circuit Low Voltage - AutoCodes.com — P1392 Cadillac Code - Wheel Speed Sensor 1 G-Sensor Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P1392 Cadillac?

Faulty G-Sensor
G-Sensor harness is open or shorted
G-Sensor circuit poor electrical connection

How to Fix the DTC P1392 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 P1392 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.