Equates to a rudamentary Key-Value (KV) map for Signal data. Allows DBC interpreters to output human-readable strings from raw Signal input values.

VAL_

Usually positioned at the bottom of the document, adjacent to Attributes.

VAL_ <ID> <SignalName>  Key_1 "Val_1" ... Key_N "Val_N";

• <ID>: CAN-ID (decimal)
• SignalName: Mnemonic (see signals)
• Key_N: Raw signal data (integer)
• Val_N: Text descriptor (string)

Note: multiple pairs of values are permitted. Minimum of 1 pair required.

VAL_ 123 GearSelector  0 "P" 1 "R" 2 "N" 3 "D";

• 0 -> P (park)
• 1 -> R (reverse)
• 2 -> N (neutral)
• 3 -> D (drive)

VAL_ 456 HandbrakeStatus  0 "Disengaged" 1 "Engaged";

• 0 = Disengaged
• 1 = Engaged

VAL_ 789 HeadlightStatus  0 "Off" 1 "On" ;

• 0 = "Off"
• 1 = "On"