AutoCodes – GMC – B1382 GMC

B1382 GMC Code - Device Ignition Accessory Circuit Low

Quick Answer

Normal vehicle class 2 communication will not commence until the system power mode has been identified. Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch 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: B1382 GMC indicates Device Ignition Accessory Circuit Low.
Common causes: Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch 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 1,838

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 Mar 20, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1382 GMC Description

Normal vehicle class 2 communication will not commence until the system power mode has been identified. The Dash Integration Module (DIM) is the Power Mode Master (PMM). The DIM communicates the system power mode to all the modules connected to the class 2 serial data circuit. The DIM monitors the state of the IGN 1 and Accessory voltage circuits in order to determine the present system power mode.

OBDII Code B1382 GMC - Device Ignition Accessory Circuit Low - AutoCodes.com — B1382 GMC Code - Device Ignition Accessory Circuit Low

What does this mean?

What are the Possible Causes of the DTC B1382 GMC?

Faulty Ignition Switch
Ignition Switch harness is open or shorted
Ignition Switch circuit poor electrical connection
Faulty Dash Integration Module (DIM)

How to Fix the DTC B1382 GMC?

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 B1382 GMC 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.

Frequently Asked Questions about B1382 GMC Code

1. What are the common symptoms of OBDII code B1382 GMC (Device Ignition Accessory Circuit Low)?

- Common symptoms include issues with the vehicle's ignition system, such as difficulty starting the engine or accessories not functioning properly.

2. What are the possible causes of OBDII code B1382 GMC?

- Possible causes of this code can include a faulty ignition switch, damaged wiring, or a malfunctioning ignition relay.

3. How can I diagnose the cause of OBDII code B1382 GMC?

- Diagnosing this code typically involves checking the condition of the ignition switch, inspecting the wiring for any damage, and testing the ignition relay for proper functionality.

4. Can a DIY enthusiast repair OBDII code B1382 GMC?

- While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing this code may require specialized tools and expertise. It is recommended to consult a professional mechanic for accurate diagnosis and repair.

5. Are there any repair tips for fixing OBDII code B1382 GMC?

- Repair tips for this code may include checking and cleaning the ignition switch contacts, repairing any damaged wiring, or replacing the faulty ignition relay if necessary.

6. Is it safe to continue driving with OBDII code B1382 GMC present?

- It is not recommended to continue driving with this code present, as it can lead to potential issues with the vehicle's ignition system and affect its overall performance.

7. How much does it typically cost to repair OBDII code B1382 GMC?

- The cost of repairing this code can vary depending on the specific cause of the issue, the extent of the damage, and labor costs. It is advisable to obtain quotes from different mechanics for an accurate estimate.

8. Can resetting the OBDII system clear OBDII code B1382 GMC?

- Resetting the OBDII system may temporarily clear the code, but it will reappear if the underlying issue causing the fault is not addressed and repaired.

9. Will OBDII code B1382 GMC cause my vehicle to fail an emissions test?

- Yes, if this code is present during an emissions test, it may cause your vehicle to fail due to potential issues with the ignition system affecting emissions control.

10. How can I prevent OBDII code B1382 GMC from recurring in the future?

- To prevent this code from recurring, it is important to address any underlying issues promptly, perform regular maintenance checks on the ignition system, and follow the manufacturer's recommended maintenance schedule.