CAN, internal error
* Check the function / configuration of the tachograph, correct if necessary: - Read diagnosis config: RDI FD13. Expected response: 0x90 (1001 0000). CAN2 to ISO14229 / CAN1 to ISO14229 / K-Line Off. - Read CAN event config: RDI FD19. Expected response: 0x0415. - Read CAN variant: RDI FD18. Expected response: 0x00 01 (ISO-CAN 250 kbit/s) - Read remote download CAN 1 config: RDI FD80. Expected response: 0x00. * Check the power supply (terminal 30, 15, and 31) on ECU:s on the CAN bus. * Check the tachograph ground connection on pin A5 and A6.
What you'll see
No driver-visible symptom recorded.
System reaction
MC13EV100: * Warning message with error text: "Internal fault" together with Memory Code 13 is shown in the tachograph display. * The warning message will be displayed repetitively every hour until the cause is withdrawn. * Event stored in the tachograph memory * Event stored and in the inserted tachograph card. * System event in TCO1 CAN message is set to active. * Tachograph warning (amber T) is displayed in the instrument cluster.
Diagnostic depth
General faulty CAN bus or internal error is detected in the tachograph. CAN message such as no participant, no acknowledgment etc.
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