GDS Smart DTC Grade (A~D) function introduction and usage guide
This article guides technicians on the meaning, selection criteria, badge colours and usage criteria of the DTC Grade (A~D) displayed in the Fault Code Searching > [DTC Code] tab, Smart Diagnosis, and the Service Information > [DTC Master] tab when diagnosing a vehicle with GDS Smart.
Contents
1. Function overview and main uses
Background: DTC grades based on the DTC Master are provided for call centers, dealers, and others to use when responding to customers before a vehicle arrives at a service center.
Purpose: To align with customer-facing explanatory materials and to provide a criterion for deciding which DTCs to check first when multiple DTCs occur.
| Use | Usage criteria |
|---|---|
| Check-in reception and pre-consultation | Refer to the customer's symptoms and the DTC grade to advise on urgency. |
| Customer explanation | Explain urgency based on the grade and its color. |
| Service information reference | Check by system in the DTC Master tab of Service Information. |
2. DTC Grade (A~D) selection criteria and badge colours
The Description for each Grade displayed in the [DTC Grade] pop-up in GDS Smart is as follows. The Grade badge colours are red for Grade A and Grade B, blue for Grade C, and grey for Grade D.
| Grade | Badge colour | Description |
|---|---|---|
| A | Red | Unable to drive; immediate service required |
| B | Red | Temporary driving possible (e.g., limp home mode) |
| C | Blue | Customer can identify the issue (e.g., warning lights) but can still drive |
| D | Grey | Customer is unaware of the issue (only DTC present) |
Guidance on urgency of action
- Check-in reception and pre-consultation: Refer to the customer's symptoms and the DTC grade to advise on urgency.
- Customer explanation: Explain urgency based on the grade and its color.
3. Display locations and actual screens in GDS Smart
DTC Grade is displayed on the following screens in GDS Smart.
| Screen | DTC Grade display location |
|---|---|
| Fault Code Searching > [DTC Code] tab | Grade badge (A~D) displayed in each row of the DTC Code list, [DTC Grade] button at the top |
| Smart Diagnosis | Diagnostic results screen |
| Service Information > [DTC Master] tab | Check DTC Grade by System |
[Figure 1] Fault Code Searching > [DTC Code] tab: [DTC Grade] button at the top and Grade badges (A~D) for each DTC Code
Screen example: P000600 (Grade C, blue), P060241 (Grade D, grey), C110117 (Grade A, red), C110101 (Grade B, red)
[Figure 2] Information > DTC Grade pop-up: [Grade] and [Description] columns, [Close] button
4. Notice at the bottom of the pop-up
The following notice is displayed at the bottom of the [DTC Grade] pop-up.
DTC grade information is reference material for customer consultations. For detailed information and diagnostic guidance, please refer to the official manual
5. Frequently asked questions (FAQ)
Q. On which screens in GDS Smart can I check DTC Grade?
A. You can check it in the Fault Code Searching > [DTC Code] tab, Smart Diagnosis, and the Service Information > [DTC Master] tab.
Q. Grade A and Grade B are both red. How can I distinguish between them?
A. Distinguish between them by the letters (A, B) displayed on the Grade badges. The Description for each Grade can be found in the [DTC Grade] pop-up.
Q. Are the DTC Grade criteria updated?
A. The DTC Grade criteria are updated quarterly.
Q. Can I perform diagnosis based solely on DTC Grade?
A. DTC Grade information is reference material for customer consultations. For detailed information and diagnostic guidance, please refer to the official manual.
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