DTC U0001-87: High Speed CAN Communication Bus - Missing message: Action
- Refer to the appropriate system wiring diagrams and check the navigation control module power and ground circuits for open circuit, high resistance
- Refer to the appropriate system wiring diagrams and check the telephone interface module power and ground circuits for open circuit, high resistance
- Refer to the appropriate system wiring diagrams and check the low-voltage differential signalling bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the manufacturer approved diagnostic system, check the navigation control module for related DTCs and refer to the relevant DTC index
- Using the manufacturer approved diagnostic system, check the telephone interface module for related DTCs and refer to the relevant DTC index