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[F-scan2 / M-SCAN2] Plant Diagnostic Tool Troubleshooting & Repair (A/S) Guide

Oscar Eom
Updated

Overview

This guide provides on-site troubleshooting steps and repair service criteria for power, charging, and battery problems; startup and software errors; display (LCD), touchscreen, and button failures; vehicle communication (VCI) and wireless network (WLAN) connection failures; and physical damage encountered while using F-scan2 (M-SCAN2) vehicle diagnostic equipment at North American Hyundai and Genesis manufacturing plants.

It distinguishes checks that on-site personnel can perform on external terminals, batteries, and connection cables before requesting repair from conditions that require inspection at an authorized repair center.

Applicable Equipment:

  • Applicable Equipment Models: F-scan2 / M-SCAN2 (complete vehicle manufacturing plant kits and Main Module units)
  • Common Serial Number (S/N) Format: Serial numbers beginning with PM2, among others

If symptoms persist after on-site checks and hardware inspection or parts replacement is needed, submit a repair request following the official Inquiry About Product Repair and After-Sales Service Costs guide and the repair intake procedure at the bottom of this article.

 

Table of Contents
 

1. No Power, Charging Problems, and Battery Issues

On-Site Symptoms: The unit may fail to power on or experience intermittent power problems, fail to charge when connected to the charging cradle, have a faulty, damaged, or loose AC/DC charging adapter connection (DC jack), or have a defective rechargeable battery. Heat may also develop at the left-side terminal during charging, or the battery may overheat severely.

On-Site Checks Before Requesting Repair:

  1. Inspect the Charging Cradle Connection Terminals: If the unit does not charge when connected to the cradle, visually inspect the charging terminals that connect to the cradle for pushed-in terminals or poor contact caused by foreign material.
  2. Check Battery Installation and Test with a Spare Battery: Make sure the battery and battery cover are securely installed. If a known-good spare battery is available, install it and check whether the unit powers on normally.
  3. Check the Charging Adapter (DC Jack) Connection for Looseness and Assess Heat: Inspect the AC/DC charging adapter and DC jack connection for damage or looseness. The left-side terminal may become warm within the normal operating range during charging. Distinguish this normal warmth from severe battery overheating.
 

Warning: Stop Use Immediately if the Battery Overheats Severely or Excessive Current Is Suspected

Severe battery overheating may indicate a defect that requires internal mainboard replacement. Excessive current can damage multiple components, including the mainboard, SSD, wireless module, and LCD module. If severe overheating or an overcurrent condition is detected, immediately disconnect the charging adapter and cradle, remove the battery, and submit an authorized repair service request.

 

Note: Replacement of Older Rechargeable Batteries and Battery Covers

When replacement of an older rechargeable battery or battery cover is requested, the unit may be returned with a newer battery and battery cover installed. Keep this in mind when requesting parts or repair service.

 

When to Request Repair Service:

  • Power problems persist with a known-good spare battery installed (the internal charging board, battery connector board, or mainboard requires inspection or replacement).
  • Charging cradle connection terminals are pushed in or damaged, or the charging adapter connection (DC jack) is faulty or damaged.
  • The battery overheats severely, or abnormal operation caused by excessive current is suspected. (Inspection and shipping fees may apply if the unit is sent for repair for a condition that is not a defect, such as normal warmth at the left-side terminal during charging, and no fault is found.)

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2. Startup Failures, Shutdowns on Impact, and Software Errors

On-Site Symptoms: The unit fails to start after power is applied or shuts down when subjected to impact. Overall performance may also be slow, or Low Memory Warning and System Coding Error (VCI INIT ERROR) messages may appear while the software is running.

 

Common Error Messages:

  • Low Memory Warning
  • System Coding Error (VCI INIT ERROR)
 

On-Site Checks Before Requesting Repair:

  1. Restart the Unit and Check Whether the Error Recurs: If temporary slowdowns or error messages occur, shut down and restart the unit. Check whether Low Memory Warning or System Coding Error (VCI INIT ERROR) appears again.
  2. Check Battery Security if the Unit Shuts Down on Impact: First, make sure the battery cover and battery are securely fastened without movement. If shutdowns on impact continue even though the battery is secure, request repair service to have the internal components inspected.

When to Request Repair Service:

  • The Low Memory Warning pop-up appears repeatedly or overall performance remains slow (system recovery and software reinstallation are required).
  • System Coding Error (VCI INIT ERROR) continues to appear after restarting (corrupted internal firmware requires reflashing or recovery, or the VCI board requires inspection or replacement).
  • Startup failures persist after power is applied, or shutdowns on impact recur (the internal MCP board, CPU, SSD, VCI board connector, or barcode module requires inspection and replacement).

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3. Display (LCD) Problems, Touchscreen Malfunctions, and Physical Button Failures

On-Site Symptoms: The display malfunctions or shows intermittent visual noise or abnormal colors. The LCD may also be broken, the touchscreen may malfunction, the screen may have dents or impact marks, or physical buttons on the unit (such as the green button or power button) may fail.

On-Site Checks Before Requesting Repair:

  1. Check for Touch Input Failure if the Vehicle VIN Cannot Be Recognized: During on-site testing, an apparent VIN recognition failure when selecting a vehicle or using Auto VIN may actually be caused by a touchscreen or LCD fault. First, touch other menus or areas of the screen to determine whether touch input itself is unresponsive.
  2. Visually Inspect the Screen Surface for Dents and Damage: Check the screen surface for dents, impact marks, or breakage. If display problems, touch input failures, or dent damage are confirmed, request authorized repair service for LCD module replacement.
  3. Check Physical Button Operation: If button input is not recognized correctly because a physical switch, such as the green button or power button, has failed, the internal keypad board or button components require inspection.
 

Caution: Paid Repair Criteria for Touchscreen Dents and Breakage

LCD breakage or touchscreen dent damage caused by external impact or pressure is subject to paid repair (LCD module replacement). Do not press the screen with hard or sharp objects during use.

 

When to Request Repair Service:

  • The display malfunctions or shows intermittent visual noise or abnormal colors (LCD module replacement is required).
  • Touchscreen input failure or screen dents or breakage are confirmed (LCD module replacement is required).
  • Input failures involving the green button, power button, or other buttons persist (keypad board or button replacement is required).

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4. Vehicle Communication (VCI) Failures, External DLC Cable Problems, and Wireless Network (WLAN) Connection Failures

On-Site Symptoms: The DLC connection or vehicle diagnostic communication fails, and High-CAN Communication Failure or Test NG appears during the VCI self-test. The unit may occasionally behave abnormally by automatically reading a VIN even when the DLC cable is not connected to a vehicle. Wireless network (WLAN / LAN) connection failures (NG displayed), intermittent disconnections, or BA Tool Pairing Failure may also occur.

 

Common Error Messages:

  • High-CAN Communication Failure or Test NG appears during the VCI self-test.
  • NG or BA Tool Pairing Failure appears when attempting a network connection.
 

On-Site Checks Before Requesting Repair:

  1. Inspect the External DLC Cable and Test with a Spare Cable: Vehicle communication failures may be caused by a faulty external DLC cable rather than an internal unit fault. Inspect the cable's exterior and connections, then test with a known-good spare DLC cable to distinguish a cable fault from an internal VCI board fault.
  2. Also Check Vehicle Communication (VCI) if a Wireless Connection Problem Is Suspected: Some cases initially identified on-site as wireless connection problems are actually vehicle communication (VCI board) or DLC faults. In addition to checking wireless signal conditions, verify wired vehicle communication and VCI self-test results.

When to Request Repair Service:

  • Vehicle communication still fails with a known-good spare DLC cable, or High-CAN Communication Failure or Test NG appears during the VCI self-test (the internal integrated VCI board requires inspection, replacement, or corrosion removal. If a cable fault is suspected, include the DLC cable currently in use with the unit).
  • Network (WLAN / LAN) connection failures (NG displayed), intermittent disconnections, or BA Tool Pairing Failure persist even under normal wireless conditions (the wireless module and antenna require inspection or replacement).

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5. Housing and Mechanical Component Damage and Foreign Material Ingress Precautions

On-Site Symptoms: The battery cover, damper, damper holder, front or rear housing, panel near the charging connection, DLC cover, or equipment holder (hanger or hanging hook) is deformed or broken.

 

Caution: Address Damaged External Components Promptly to Avoid Irreparable Damage

  • Risk of Foreign Material Ingress and Corrosion: Continued use with a deformed or broken housing, battery cover, or DLC cover can allow foreign material to enter the unit and cause corrosion on the mainboard and VCI board.
  • Preventing an Unrepairable Condition: If internal components become unusable due to foreign material ingress or damage, the unit may be deemed unrepairable. If damage is found on external components (battery cover, damper, damper holder, front or rear housing, DLC cover, or equipment holder), do not disassemble the unit yourself or leave the damage unaddressed. Request authorized repair service promptly.
  • Paid Repair Criteria: Damage caused by customer mishandling, including breakage and foreign material ingress, is subject to paid repair even during the warranty period.
 

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Quick Reference Table

 
Symptom Category On-Site Checks Before Requesting Repair When to Request Repair Service
Power problems / cradle or adapter charging problems / severe battery overheating Visually inspect cradle connection terminals for pushed-in contacts or foreign material, check battery and cover installation, test with a known-good spare battery, and check the DC jack for looseness. Power problems persist with a spare battery, or charging terminals or the DC jack are faulty or damaged. For severe battery overheating, disconnect immediately and arrange repair intake.
Startup failures / shutdowns on impact / Low Memory Warning / VCI INIT ERROR Restart the unit and check whether the same error recurs. If shutdowns on impact occur, check that the battery and battery cover are secure. Low Memory Warning, VCI INIT ERROR, or slow performance persists after restarting (recovery or firmware reflashing is required), or startup failures and shutdowns on impact recur.
Display problems or visual noise / touchscreen failure or dents / green or power button failure If the vehicle VIN cannot be recognized, touch other screen areas to check for unresponsive touch input. Inspect the screen for dents and check physical button operation. Display abnormalities, touchscreen failures, or dents are confirmed (LCD module replacement is required), or physical button failures persist (keypad board or button replacement is required).
Vehicle communication failure (High-CAN Communication Failure, Test NG) / wireless LAN failure (NG) / BA Tool Pairing Failure Inspect the external DLC cable and test with a known-good spare cable. Check both wireless signal conditions and VCI self-test results. Communication failures or Test NG persist with a spare cable (VCI board inspection or replacement), or wireless connection failures or disconnections persist (wireless module or antenna replacement).
Damage to the battery cover / damper or damper holder / housing / DLC cover / equipment holder Visually inspect external damage. Do not disassemble the unit yourself or leave damage unaddressed. Request authorized repair promptly when external component damage is found to prevent board corrosion from foreign material ingress and avoid an unrepairable condition.
 

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Authorized Repair Service Intake

If symptoms persist after on-site checks and detailed hardware inspection or parts replacement is required, follow the official repair intake procedure below for North American Hyundai and Genesis manufacturing plants.

  • Repair and After-Sales Service Cost Inquiries: Contact the Technical Support Center - GIT America (GITA) (USA Hyundai: 888-437-0308 / Genesis: 833-681-3926) or submit a Help Center online request. See Inquiry About Product Repair and After-Sales Service Costs.
  • Authorized Repair Center Shipping Instructions: Obtain the appropriate repair destination and shipping instructions from GIT America (GITA) or through your Help Center online request before shipping the equipment.
  • Precautions When Shipping Equipment for Repair:
    1. Always submit a repair request in advance through the Technical Support Center - GIT America (GITA) (USA Hyundai: 888-437-0308 / Genesis: 833-681-3926) or the Help Center online request form, then ship the equipment as instructed.
    2. For charging problems, include the charging adapter and battery that were in use with the main unit. For vehicle communication problems, include the external DLC cable that was in use. These items help ensure accurate inspection.
    3. Include the equipment serial number (S/N), a detailed symptom memo (displayed error messages and conditions for reproducing the issue), the return facility and department name, contact person's name, contact information, and return address. Use sufficient cushioning material to prevent additional damage during transit.
 

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