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Vehicle Maintenance

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Vehicle Maintenance is a module available in the Summary menu where you can find information about the DTCs (Diagnostic Trouble Codes) collected from your vehicles:

 

To be able to access this module, you must be granted the following permission:

 

Once you access the module, you will see the following table:

 

This table shows the vehicles of your fleet and information regarding their DTCs.

It contains the following columns:

Column Description
Vehicle

The license plate of the vehicle

Odometer The current Odometer's reading
Service

For vehicles that supply it, Service is the estimated distance to the next scheduled maintenance (same as displayed in the Intranet - CANBus data view). It's calculated as currentDate + serviceDate / avgKmsPerDay.

Please note that this is vehicle dependent and we actually don't know what each vehicle is supplying.

Avg mileage/day Average mileage per day
Service expected date
Expected date for the next scheduled maintenance
Total of DTCs reported
Number of DTCs reported for the vehicle
Number of active DTCs 
Number of active DTCs reported for the vehicle
Last DTC code
The code of the last reported DTC
Date
Date of the last reported DTC
Description Description of the last reported DTC. This description is always displayed in English

 

Above the table, you will find a Search box and a Vehicle filter, that you can use to filter the table:

 

You may click on the License plate of a vehicle with reported DTCs to open its details:

 

Here, you can find all the DTCs reported for the selected vehicle. DTCs displayed in red are currently active.

It contains the following columns:

Column Description
Start date The start date of the reported DTC
Odometer Odometer at the moment of the report
End date The end date of the reported DTC
DTC DTC's code
Description DTC's description. This description is always displayed in English

 

 

About the DTCs

 

Interpreting the DTC Code

There is a defined logic behind the format of the DTC error codes:

  • The first character is always a letter. It indicates which control system has an issue, and has the following possible values and meanings e.g. Powertrain (P), Network (U)
  • The second character is a digit, typically 0 or 1, and shows whether or not the code is standardized or OEM-specific. e.g. Standard (0), OEM specific (1)
  • The third character is also a digit, ranging from 1 to 8. This reveals the subsystem at fault. e.g. 1 refers to the fuel or air metering system, 2 refers to the fuel or air metering injection system
  • The fourth and fifth characters are read together as a two-digit number between 0 and 99 known and is an index designed to better define the specific fault.

 

How critical is the code?

  • There can be a lot of DTC codes generated and not all of them are important or critical. Unfortunately, the code gives no indication of the relative importance of the issue.
  • The more important codes should trigger a warning light on the vehicle dashboard and drivers should report these to the fleet manager so the fleet manager can provide guidance on the appropriate course of action based on the DTC code.

 

Acting on the DTC Code:

  • The DTC code will identify the area of the problem. However, engineers are still encouraged to think like detectives before jumping to a conclusion about a repair based on the DTC code.
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