Here is the instruction show you guide on how to solve Scania truck direction indicator front right CUV 5 trouble code.
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Error identification
The current consumption on the control unit output has exceeded 4 A.
Cause
Short circuit in the relay for current consuming equipment R19 or in the cable harness.
Notes
Right-hand front direction indicator is inoperative. Every time the function is activated, the current consumption on the control unit output is checked. If the current consumption is too high, the output is switched off and a fault code is registered.
Action
Check the bulbs. Also, check the number of connected lamps in circuit. Check whether there is a short circuit to earth.