AutoCodes – Isuzu – P1626 Isuzu

P1626 Isuzu Code - Immobilizer System Engine Control Module To Body Control Module Communication Malfunction

Quick Answer

P1626 Isuzu indicates Immobilizer System Engine Control Module To Body Control Module Communication Malfunction. Common causes include Faulty Engine Control Module, Faulty Body Control Module. 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: P1626 Isuzu indicates Immobilizer System Engine Control Module To Body Control Module Communication Malfunction.
Common causes: Common causes include Faulty Engine Control Module, Faulty Body Control Module.
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 7,400

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 Sep 01, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1626 Isuzu Description

OBDII Code P1626 Isuzu - Immobilizer System Engine Control Module To Body Control Module Communication Malfunction - AutoCodes.com — P1626 Isuzu Code - Immobilizer System Engine Control Module To Body Control Module Communication Malfunction

What does this mean?

What are the Possible Causes of the DTC P1626 Isuzu?

Faulty Engine Control Module
Faulty Body Control Module

How to Fix the DTC P1626 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 P1626 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 P1626 Isuzu code?

Need more information on how to fix the P1626 Isuzu code? Get Access to Factory Service Manuals

Need Help with the 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 P1626 Isuzu Code

1. What are common symptoms of OBDII code P1626 in an Isuzu vehicle?

- Common symptoms include difficulty starting the engine, engine stalling, and the immobilizer system light illuminating on the dashboard.

2. What causes the OBDII code P1626 related to the Immobilizer System Engine Control Module To Body Control Module Communication Malfunction in an Isuzu?

- This code is typically caused by a communication error between the Engine Control Module (ECM) and the Body Control Module (BCM) in the immobilizer system.

3. How can I diagnose the OBDII code P1626 in my Isuzu?

- Diagnosing this code often requires specialized diagnostic equipment to check the communication between the ECM and BCM, as well as inspecting the wiring and connections related to the immobilizer system.

4. Can I still drive my Isuzu with the OBDII code P1626 present?

- It is not recommended to drive your vehicle with this code present, as it can lead to potential starting and stalling issues due to the malfunctioning communication between the ECM and BCM.

5. What are some repair tips for resolving the OBDII code P1626 in an Isuzu?

- Repair tips may include checking and repairing any damaged wiring or loose connections related to the ECM and BCM, as well as resetting the immobilizer system and performing a relearn procedure.

6. Is it possible to reset the OBDII code P1626 in my Isuzu without professional help?

- While it is possible to clear the code temporarily using an OBDII scanner, it is important to address the underlying communication issue between the ECM and BCM to prevent the code from reoccurring.

7. How much does it typically cost to repair the OBDII code P1626 in an Isuzu?

- Repair costs can vary depending on the exact cause of the communication malfunction, but they may include labor costs for diagnostics and repair, as well as potential parts replacement if needed.

8. Can a faulty key or immobilizer unit trigger the OBDII code P1626 in an Isuzu?

- Yes, a faulty key or immobilizer unit can contribute to the communication malfunction between the ECM and BCM, leading to the triggering of the P1626 code.

9. Are there any preventive measures to avoid encountering the OBDII code P1626 in my Isuzu?

- Regularly maintaining and inspecting the immobilizer system components, such as keys, transponders, and wiring, can help prevent issues that may trigger the P1626 code.

10. Will the OBDII code P1626 in my Isuzu cause permanent damage if left unrepaired?

- Leaving the P1626 code unaddressed can potentially lead to further issues with the immobilizer system and affect the overall performance and reliability of your vehicle, so it is advisable to have it repaired promptly.