AutoCodes – Isuzu – P1394 Isuzu

P1394 Isuzu Code - G-Sensor Intermittent Voltage High Rough Road Sensor

Quick Answer

P1394 Isuzu indicates G-Sensor Intermittent Voltage High Rough Road Sensor. 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: P1394 Isuzu indicates G-Sensor Intermittent Voltage High Rough Road Sensor.
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 2,608

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

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

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1394 Isuzu Description

OBDII Code P1394 Isuzu - G-Sensor Intermittent Voltage High Rough Road Sensor - AutoCodes.com — P1394 Isuzu Code - G-Sensor Intermittent Voltage High Rough Road Sensor

What does this mean?

What are the Possible Causes of the DTC P1394 Isuzu?

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

How to Fix the DTC P1394 Isuzu?

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 P1394 Isuzu 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.

Need more information about the P1394 Isuzu code?

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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.

Frequently Asked Questions about P1394 Isuzu Code

1. What are the common symptoms of OBDII code P1394 in an Isuzu related to the G-Sensor Intermittent Voltage High Rough Road Sensor?

- Common symptoms include rough or unstable idle, engine misfires, decreased fuel efficiency, and potential stalling.

2. What can cause the OBDII code P1394 in an Isuzu related to the G-Sensor Intermittent Voltage High Rough Road Sensor?

- Potential causes include a faulty G-sensor, wiring issues, poor electrical connections, or a problem with the rough road sensor itself.

3. How can I diagnose the issue causing OBDII code P1394 in my Isuzu?

- Diagnosis typically involves using a diagnostic scanner to read the code, checking the G-sensor and rough road sensor for proper functioning, and inspecting the wiring for any damage.

4. Can driving on rough roads or off-road terrain trigger OBDII code P1394 in an Isuzu?

- Yes, driving on rough roads or off-road terrain can potentially trigger the G-sensor Intermittent Voltage High Rough Road Sensor code due to the sensor's sensitivity to vehicle movements.

5. What are some repair tips for fixing OBDII code P1394 in an Isuzu?

- Repair tips may include checking and cleaning electrical connectors, inspecting and repairing damaged wiring, replacing the G-sensor or rough road sensor if faulty, and ensuring proper mounting and calibration.

6. Is it safe to continue driving my Isuzu with OBDII code P1394 related to the G-Sensor Intermittent Voltage High Rough Road Sensor?

- It is not recommended to drive the vehicle with this code present, as it can lead to performance issues and potential safety hazards. It's best to address the underlying problem promptly.

7. How much does it typically cost to repair OBDII code P1394 in an Isuzu?

- The cost of repairs can vary depending on the exact cause of the issue, but it may range from a few hundred to a few thousand dollars, including parts and labor.

8. Can I reset the OBDII code P1394 in my Isuzu without fixing the underlying issue?

- While you can reset the code using a diagnostic scanner, it is not recommended to do so without addressing the root cause, as the problem may persist and lead to further issues down the line.